Q1. The middle three floors are painted in different colours. (d) Both Conclusion-I and Conclusion-II 2. The second (II) and the fourth (IV) floors are painted 295. Consider the following sequence of numbers : in different colours. 5 1 4 7 3 9 8 5 7 2 6 3 1 5 3. The first (I) and the fifth (V) floors are painted red. 8 6 3 8 5 2 2 4 3 4 9 6 To ensure that any two consecutive floors have different colo
Correct Answer: (b)
1 yard = 36 inches The third person who knows 3 languages can also speak 2 1 inch = 2.54 cm languages. \ 1 yard = 2.54 × 36 cm He should not be called on two places Hence, number persons = 27 – 3 = 24 2.54´36 \ 100 yard = ´100 = 91.44 m.
UPSC 2020-II
Q2. A family of two generations consisting of six members P, Q, R, (d) S1 and S3 together are sufficient to answer the S, T and U has three males and three females. There are two Question. married couples and two unmarried siblings. U is P’s daughter and Q is R’s mother-in-law. T is an unmarried male and S is a 298. Two Statements S1 and S2 are given below with regard to male. Which one of the followi
Correct Answer: (?)
UPSC 2020-II
Q3. The minimum number of points of intersection of a square Question, but neither S1 alone nor S2 alone is sufficient and a circle is 2. to answer the Question. 2. The maximum number of points of intersection of a square (d) S1 and S2 together are not sufficient to answer the Question. and a circle is 8. 299. Consider the following arrangement that has some missing Which of the above statements is/ar
Correct Answer: (b)
1 yard = 36 inches The third person who knows 3 languages can also speak 2 1 inch = 2.54 cm languages. \ 1 yard = 2.54 × 36 cm He should not be called on two places Hence, number persons = 27 – 3 = 24 2.54´36 \ 100 yard = ´100 = 91.44 m.
UPSC 2020-II
Q4. What is the missing term @ in the following?
Correct Answer: (?)
UPSC 2019-II
Q5. If LSJXVC is the code for MUMBAI, the code for DELHI 276. If B scores the least, the rank of C will be
Correct Answer: (?)
UPSC 2019-II
Q6. If E is ranked third, then which one of the following is 268. If RAMON is written as 12345 and DINESH as 675849, correct?
Correct Answer: (?)
UPSC 2019-II
Q7. Which one of the following statements is correct? 269. If E sits in his office and faces the corridor, whose office (a) Weight of Mohan is greatest
Correct Answer: (?)
UPSC 2019-II
Q8. If every alternative letter of the English alphabet from B onwards (including B) is written in lower case (small letters) (b) Weight of Sohan is least and the remaining letters are capitalized, then how is the (c) Weight of Rohan is least first month of the second half of the year written?
Correct Answer: (?)
UPSC 2019-II
Q9. What is X in the sequence
Correct Answer: (?)
UPSC 2019-II
Q10. In the sequence 1, 5, 7, 3, 5, 7, 4, 3, 5, 7, how many such 5s (a) 74 (b) 75 (c) 76 (d) 77 are there which are not immediately preceded by 3 but are 281. If the numerator and denominator of a proper fraction are immediately followed by 7?
Correct Answer: (?)
UPSC 2019-II
Q11. A joint family consists of seven members A, B, C, D, E, F (a) always less than the original fraction and G with three females. G is a widow and sister-in-law of (b) always greater than the original fraction D’s father F, B and D are siblings and A is daughter of B. C is cousin of B. Who is E?
Correct Answer: (?)
UPSC 2019-II
Q12. What is X in the sequence
Correct Answer: (?)
UPSC 2019-II
Q13. If $ means ‘divided by’; @ means ‘multiplied by’; # means c_accaa_aa_bc_b ‘minus’; then the value of 10#5@1$5 is
Correct Answer: (?)
UPSC 2019-II
Q14. If F stands second in the ranking, then the position of B is (a) 15 m (b) 17 m (a) Third (b) Fourth
Correct Answer: (?)
UPSC 2019-II
Q15. No cricketer has a two-wheeler. S2 : p + q is an odd integer. 3. Cricket players do not play football. Question : Is pq an odd integer? Select the correct answer using the code given below : Which one of the following is correct? (a) 1 and 2 only (b) 2 and 3 only (a) S1 alone is sufficient to answer the question (c) 1 and 3 only (d) 1, 2 and 3 (b) S2 alone is sufficient to answer the question 292.
Q16. Which year has the same calendar as that of 2009?
Correct Answer: (?)
UPSC 2019-II
Q17. Mr. ‘X’ has three children. The birthday of the first child falls 293. A man walks down the backside of his house straight 25 on the 5th Monday of April, that of the second one falls on the metres, then turns to the right and walks 50 metres again; then he turns towards left and again walks 25 metres. If his 5th Thursday of November. On which day is the birthday of house faces to the East, what is
Correct Answer: (?)
UPSC 2019-II
Q18. A five-storeyed building with floors from I to V is painted using four different colours and only one colour is used to (a) Only Conclusion-I paint a floor.
Correct Answer: (?)
UPSC 2019-II
Q19. P, Q and R are three towns. The distance between P and Q is 60 km, whereas the distance between P and R is 80 km. Q is (b) 41 in the West of P and R is in the South of P. What is the (c) 42 distance between Q and R?
Correct Answer: (?)
UPSC 2019-II
Q20. Three Statements S1, S2 and S3 are given below followed (c) 110 km (d) 100 km by a Question: 291. In a school, 60% students play cricket. A student who does S1: C is younger than D, but older than A and B. not play cricket, plays football. Every football player has S2: D is the oldest. got a two-wheeler. Which of the following conclusions S3: A is older than B. cannot be drawn from the above data?
Correct Answer: (?)
UPSC 2018-II
Q21. Consider the following figures :
Correct Answer: (?)
UPSC 2018-II
Q22. Consider the following pattern of numbers:
Correct Answer: (?)
UPSC 2018-II
Q23. A solid cube of 3 cm side, painted on all its faces, is cut up into small cubes of 1 cm side. How many of the small cubes will have exact1y two painted faces.
Correct Answer: (?)
UPSC 2018-II
Q24. If Pen < Pencil, Pencil < Book and Book > Cap, then which 252. Lakshmi, her brother, her daughter and her son are one of the following is always true?
Correct Answer: (?)
UPSC 2018-II
Q25. Consider the sequence given below :
Correct Answer: (?)
UPSC 2018-II
Q26. A is studying in
Correct Answer: (?)
UPSC 2018-II
Q27. Science college is located in
Correct Answer: (?)
UPSC 2018-II
Q28. C is studying in
Correct Answer: (?)
UPSC 2018-II
Q29. What is the symbol on the face opposite to that containing (a) D is not studying in city S. a single dot?
Correct Answer: (?)
UPSC 2018-II
Q30. Which one of the following statements is correct regarding (a) Single dot (b) Three dots Engineering college?
Correct Answer: (?)
UPSC 2018-II
Q31. What is the symbol on the face opposite to that containing (b) B is studying there. the cross?
Correct Answer: (?)
UPSC 2018-II
Q32. Consider the following sum :
Correct Answer: (?)
UPSC 2018-II
Q33. Who is/are Fs immediate neighbour/neighbours?
Correct Answer: (?)
UPSC 2017-II
Q34. Either A and B are of the same age or A is older than B (a) The rate of population growth is increasing due to 2. Either C and D are of the same age or D is older than C rural-urban migration 3. B is older than C (b) The rate of population growth is increasing due to Which of the following conclusions can be drawn from the decline in death rate only above statements? (c) The rate of population gro
Correct Answer: (b)
1 yard = 36 inches The third person who knows 3 languages can also speak 2 1 inch = 2.54 cm languages. \ 1 yard = 2.54 × 36 cm He should not be called on two places Hence, number persons = 27 – 3 = 24 2.54´36 \ 100 yard = ´100 = 91.44 m.
UPSC 2017-II
Q35. Four tests-Physics, Chemistry, Mathematics and Biology 219. In a. question paper there are five questions to be are to be conducted on four consecutive days, not attempted and answer to each question has two choices - necessarily in the same order. The Physics test is held True (T) or False (F). It is given that no two candidates before the test which is conducted after Biology. Chemistry have giv
Correct Answer: (?)
UPSC 2017-II
Q36. The sum of income of A and B is more than that of C and 233. Consider the given statement and the two conclusions D taken together. The sum of income of A and C is the that follow :
Correct Answer: (?)
UPSC 2017-II
Q37. Morning walk is essential for maintaining good health. Statement : What is/are the valid conclusion/ conclusions? Good voice is a natural gift but one has to keep practising (a) 1 only (b) 2 only to improve and excel well in the field of music. (c) Both 1 and 2 (d) Neither 1 nor 2 Conclusions: 234. Six boys A, B, C, D, E and F play a game of cards. Each 1. Natural gifts need nurturing and care. ha
Q38. They are not hazardous to human health. the statement. 2. They are persistent in environment. 228. 'Rights are certain advantageous conditions of social 3. They are essential to maintain the biodiversity of well-being indispensable to the true development of the any ecosystem. citizen.'
Correct Answer: (b)
1 yard = 36 inches The third person who knows 3 languages can also speak 2 1 inch = 2.54 cm languages. \ 1 yard = 2.54 × 36 cm He should not be called on two places Hence, number persons = 27 – 3 = 24 2.54´36 \ 100 yard = ´100 = 91.44 m.
UPSC 2017-II
Q39. In a test, Randhir obtained more marks than the total (b) Rights aim at social good only. marks obtained by Kunal and Debu. The total marks (c) Rights aim at both individual and social good. obtained by Kunal and Shankar are more than those of (d) Rights aim at individual good devoid of social well- Randhir. Sonal obtained more marks than Shankar. Neha being. obtained more marks than Randhir. Who
Correct Answer: (?)
UPSC 2017-II
Q40. A and E are sons of F. players. Amala, Kamla, Komala and Nirmala are 3. D is the mother of two, one boy and one girl. postgraduates in Sociology of whom two are bank 4. B is the son of A. employees. If Shyamala is a postgraduate in Commerce, 5. There is only one married couple in the family at who among the following is both a tennis player and a present. bank employee?
Q41. In a school, there are five teachers A, B, C, D and E, A A, B, C, D, E, F, G and H are standing in a row facing and B teach Hindi and English. C and B teach English and North. Geography. D and A teach Mathematics and Hindi. E and B is not neighbour of G. B teach History and French. Who teaches maximum F is to the immediate right of G and neighbour of E. number of subjects.
Correct Answer: (?)
UPSC 2017-II
Q42. In a certain code, '256' means 'red colour chalk', '589' 247. While travelling from C to H, which one of the following means 'green colour flower' and '254' means 'white colour stations must be passed through.
Correct Answer: (?)
UPSC 2017-II
Q43. In how many different ways can a train travel from F to (a) 2 (b) 4 (c) 5 (d) 8 A without passing through any station more than once? 242. The average rainfall in a city for the first four days was
Correct Answer: (?)
UPSC 2017-II
Q44. The average of six days was 0.50 249. If the route between G and C is closed, which one of the inch. What was the rainfall on the fifth day?
Correct Answer: (b)
Total number of musicians = 120 = 175 Number of musicians who can play all the three instruments \ Number of persons who know any of the language 5 = 550 + 268 + 175 = 993 = 5% of 120 = ´120= 6 Number of persons who do not know any of the language = 100 1000 – 993 = 7 Number of musicians who can play any two or only two of three instruments = 30 7 1 Number of the musicians who can play the guitar alone = 40 \ Required ratio = = 175 25 Now the number of musicians who can play violin alone or
UPSC 2017-II
Q45. Lecturer from Kanpur is specialized in Geography 2. Lecturer D is from Shillong 3. Lecturer C from Delhi is specialized in Sociology 4. Lecturer B is specialized in neither History nor ? Mathematics 5. Lecturer A who is specialized in Economics does not belong to Hyderabad 6. Lecturer F who is specialized in Commerce belongs To fit the question mark, the correct answer is to Srinagar (a) (b) 7. Le
Correct Answer: (b)
1 yard = 36 inches The third person who knows 3 languages can also speak 2 1 inch = 2.54 cm languages. \ 1 yard = 2.54 × 36 cm He should not be called on two places Hence, number persons = 27 – 3 = 24 2.54´36 \ 100 yard = ´100 = 91.44 m.
UPSC 2017-II
Q46. To which city does the Lecturer specialized in Economics belong?
Correct Answer: (?)
UPSC 2017-II
Q47. Who of the following belongs to Hyderabad?
Correct Answer: (?)
UPSC 2016-II
Q48. A person climbs a hill in a straight path from point ‘O’ on 204. Consider the following statement:
Correct Answer: (?)
UPSC 2016-II
Q49. There were 50 faculty members comprising 30 males and DIRECTIONS (Qs. 196- 198): Consider the given information the rest females. No male faculty member knew music, but and answer the three items that follow. many of the female faculty members did. The Head of the When three friends A, B and C met, it was found that each of them institution invited six faculty members to a tea party by wore an out
Correct Answer: (?)
UPSC 2016-II
Q50. What is C’s surname ?
Correct Answer: (?)
UPSC 2016-II
Q51. What is the colour of the tie ?
Correct Answer: (?)
UPSC 2016-II
Q52. E is seated next to A (a) A (b) B 3. D and C are separated by two seats (c) C (d) Cannot be determined Select the correct answer using the code given below: 199. A person walks 12 km due north, then 15 km due east, after (a) 1 only (b) 1 and 2 only that 19 km due west and then 15 km due south. How far is he (c) 3 only (d) Neither 1 nor 2 nor 3 from the starting point? 207. There are five hobby clu
Q53. A cube has all its faces painted with different colours. It is meets every third day, the chess group meets every fourth cut into smaller cubes of equal sizes such that the side of day, the yachting group meets every fifth day and the the small cube is one-fourth the big cube. The number of photography group meets every sixth day. How many small cubes with only one of the sides painted is:
Correct Answer: (?)
UPSC 2016-II
Q54. A military code writes SYSTEM as SYSMET and NEARER (a) 5 (b) 18 (c) 10 (d) 3 as AENRER. Using the same code, FRACTION can be 208. There are some nectar-filled flowers on a tree and some written as:
Correct Answer: (?)
UPSC 2016-II
Q55. In a class of 60 students, where the number of girls is twice respectively are:
Correct Answer: (?)
UPSC 2016-II
Q56. A ate grapes and pineapple; B ate grapes and oranges; C (a) T (b) P (c) Q (d) R ate oranges, pineapple and apple; D ate grapes, apple and 210. Who is the artist?
Correct Answer: (?)
UPSC 2016-II
Q57. Who is the spouse of R?
Correct Answer: (?)
UPSC 2016-II
Q58. Who is the lawyer?
Correct Answer: (?)
UPSC 2016-II
Q59. The rate of population growth is increasing in the country (a) P (b) S 2. The death rate is declining faster in the country (c) Q (d) None of the above compared to birth rate 214. There is an order of 19000 quantity of a particular product 3. The birth rate is declining faster in the country from a customer. The firm produces 1000 quantity of that compared to death rate product per day out of whic
Correct Answer: (b)
1 yard = 36 inches The third person who knows 3 languages can also speak 2 1 inch = 2.54 cm languages. \ 1 yard = 2.54 × 36 cm He should not be called on two places Hence, number persons = 27 – 3 = 24 2.54´36 \ 100 yard = ´100 = 91.44 m.
UPSC 2016-II
Q60. No supporters of 'party X' supported Z 's campaign (a) F (b) E strategy. (c) D (d) None of the above Which of the statements given above is/are not correct? 217. Which of the following statements is/are correct?
Correct Answer: (b)
Total number of musicians = 120 = 175 Number of musicians who can play all the three instruments \ Number of persons who know any of the language 5 = 550 + 268 + 175 = 993 = 5% of 120 = ´120= 6 Number of persons who do not know any of the language = 100 1000 – 993 = 7 Number of musicians who can play any two or only two of three instruments = 30 7 1 Number of the musicians who can play the guitar alone = 40 \ Required ratio = = 175 25 Now the number of musicians who can play violin alone or
UPSC 2016-II
Q61. If second and fourth Saturdays and all the Sundays are 218. The football is in the box of which colour?
Correct Answer: (?)
UPSC 2015-II
Q62. Examine the following statements : [2011 - II] A person goes from A to B always moving to the right or 1. All trains are run by diesel engine. downwards along the lines. How many different routes can 2. Some trains are run by diesel engine. he adopt? [2011 - II] 3. No train is run by diesel engine. Select the correct answer from the codes given below: 4. Some trains are not run by diesel engine. (
Correct Answer: (d)
Let x be the no. of eggs already present in the basket.
UPSC 2015-II
Q63. Colours Y, O and B are on adjacent faces. (c) Both of those who can drive a car speak Marathi. 2. Colours I, G and Y are on adjacent faces. (d) One of those who can drive a car speaks Tamil. 3. Colours B, G and Y are on adjacent faces. 173. A society consists of only two types of people fighters and 4. Colours O, V and B are on adjacent faces. cowards. Two cowards are always friends. A fighter and
Correct Answer: (b)
1 yard = 36 inches The third person who knows 3 languages can also speak 2 1 inch = 2.54 cm languages. \ 1 yard = 2.54 × 36 cm He should not be called on two places Hence, number persons = 27 – 3 = 24 2.54´36 \ 100 yard = ´100 = 91.44 m.
UPSC 2015-II
Q64. If A runs less fast than B, and B runs as fast but not faster Which one of the following is correct?
Correct Answer: (a)
Let number of girls and boys are m and n respectively. Then, total marks in English = (8.8) × (m + n) 4 4+5 9 4 9 = = Þ < , \9m+8n=(8.8)(m+n) 5 5+5 10 5 10 Difference = 0.9 – 0.8 = 0.1 Þ0.2m=0.8nÞm=4n. 5 5+5 10 5 10 Again, total marks in Hindi = x(m+n) = = Þ < , 6 6+5 11 6 11 Þ8m+7n= x(m+n) Difference = 0.909 – 0.833 = 0.076. Þ8(4n)+7n= x(4n+n) 5 Hence, minimum change is observed in . 39 6 Þ39n=5n×xÞ x= =7.8. 5
UPSC 2015-II
Q65. Lady's finger is tastier than cabbage. (c) Some living species in other heavenly bodies are more 2. Cauliflower is tastier than lady's finger. intelligent than man 3. Cabbage is not tastier than peas. (d) Nothing definite can be said about the UFOs The conclusion that can be drawn from these statements is that 168. If ABC × DEED = ABCABC; where A, B, C, D and E are (a) peas are as tasty as lady's
Correct Answer: (b)
1 yard = 36 inches The third person who knows 3 languages can also speak 2 1 inch = 2.54 cm languages. \ 1 yard = 2.54 × 36 cm He should not be called on two places Hence, number persons = 27 – 3 = 24 2.54´36 \ 100 yard = ´100 = 91.44 m.
UPSC 2015-II
Q66. Usha runs faster than Kamala, Priti runs slower than Swati, 177. Shahid and Rohit start from the same point in opposite Swati runs slower than Kamala. Who is the slowest runner? directions. After each 1 km, Shahid always turns left and
Correct Answer: (c)
From S : Product of the numbers is 21, that numbers Hence, (y – x) is away less then or equal to 15. 1
UPSC 2015-II
Q67. Twelve people form a club. By picking lots, one of them will age, but all have birthdays on the same day of the same month. host a dinner for all once in a month. The number of dinners The youngest is 17 years old and the oldest E is 22 years old. F is a particular member has to host in one year is somewhere between B and D in age. A is older than B. C is older (a) One (b) Zero than D. A is one ye
Correct Answer: (a)
Let two natural numbers are m and n, such that m > n.
UPSC 2015-II
Q68. In a group of persons travelling in a bus, 6 persons can (c) 3 (d) 4 speak Tamil, 15 can speak Hindi and 6 can speak Gujarati. In 172. Two men, Anil and David, and two women, Shabnam and that group none can speak any other language. If 2 persons Rekha are in a sales group. Only two speak Tamil. The other in the group can speak two languages only and one person two speak Marathi. Only one man and o
Correct Answer: (d)
n is a digit, which is divisible by 3 but not by 2.
UPSC 2015-II
Q69. In a parking area, the total number of wheels of all the cars Which one of the following figures given can be formed by (four-wheelers) and scooters/motorbikes (two-wheelers) is joining these pieces together? 100 more than twice the number of parked vehicles. The number of cars parked is
Correct Answer: (b)
Depth of the walls = 4.5 m = 450 cm.
UPSC 2015-II
Q70. In a test, a candidate attempted only 8 questions and secured (a) Coastal areas cannot have food chains without 50% marks in each of the questions. If he obtained a total of mangroves. 40% in the test and all questions in the test carried equal (b) Mangroves are an essential component of all marine marks, how many questions were there in the test? ecosystems. (a) 8 (b) 10 (c) Mangroves have a cruc
Correct Answer: (c)
Let man adult population of the city is 300. Then, married male adult population 1 4 Liquid B in 4 litre mix =4´ = . 5 5 40 =300´ =120. Then, after second itteration, 100 As, there are no widows and widowers and no man marries Liquid A Liquid B more than one woman and vice-versa. 16 64 4 36 So, number of married woman in the city = Number of married 16- = 4- +4= man in the city = 120. 5 5 5 5 ATQ, Percent of married woman = 30%. 64 36 Ratio = : =16:9. 5 5 120´100 \ Total woman population = =400.
UPSC 2015-II
Q71. Consider the figures given below:
Correct Answer: (b)
Let original price of the rice is ` x/Kg. Now, when we divided 150 by 100, remainder = 150 – 100 = 50. 1200 Amount of rice purchased in ` 1200 = Kg. x 1 3 5
UPSC 2015-II
Q72. A man had a wife, two sons and daughters in his family 2. The daughters were invited to a feast and the male To fit the question mark, the correct answer is members of the family went out to take part in a picnic 3. The man's father did not return from his work. Which of the following statements is true? (a) Only the man's wife was left at home. (a) (b) (b) It is likely that the man's wife was lef
Correct Answer: (b)
1 yard = 36 inches The third person who knows 3 languages can also speak 2 1 inch = 2.54 cm languages. \ 1 yard = 2.54 × 36 cm He should not be called on two places Hence, number persons = 27 – 3 = 24 2.54´36 \ 100 yard = ´100 = 91.44 m.
UPSC 2015-II
Q73. What is the missing number 'X' of the series 7, X, 21, 31, 43? aggressive enough.
Q74. Four cardboard pieces of specific shapes are shown in the 193. All good athletes want to win and all athletes who want to following figure:
Correct Answer: (b)
L.C.M. of 3, 4, 5 and 6 = 60. Least 4 digits number divided by 3, 4, 5 and 6 is Ratio of Liquid A : Liquid B = 16 : 4 = 4 : 1. 60 × 17 = 1020. When 4 litres of mixture taken out after first itteration. Remainder in each case = 2. 4 16 Liquid A in 4 litre mix =4´ = . So, required number = 1020 + 2 = 1022. 5 5
UPSC 2015-II
Q75. Between 6 PM and 7 PM the minute hand of a clock will be (a) 3 km east, then 2 km south ahead of the hour hand by 3 minutes at
Correct Answer: (c)
total weight of the students and also number of students in -6 the class remains unchanged. So, average weight of the (a) æ ç 1ö ÷ =(2)6 =64. class remains the same. è2ø
UPSC 2010
Q76. In a meeting, the map of a village was placed in such a manner that south-east becomes north, north-east becomes west and so on. What will south become?
Correct Answer: (b)
Since each rod must be cut into parts of equal length Given series is an A.P series with first term, and each part must be as long as possible, so HCF should a = 117, last term =333 and common difference, d = 3 last l be taken. term, = a + (n – 1)d l HCF of 78, 104, 117 and 169 = 13. where, n = number of terms. 117 + (n – 1)3 = 333 78 No. of parts from 78cm. rod = =6 (n – 1)3 = 216 13 n = 73 104
UPSC 2010
Q77. Six books A, B, C, D, E and F are placed side by side. B, C Mr. X and Mr. Z ? and E have blue cover and the other books have red cover. (a) 6 (b) 7 (c) 8 (d) 9 Only D and F are new books and the rest are old. A, C and D are law reports and others are Gazetteers. Which book is a DIRECTIONS (Qs. 67-68) : Each of the following two items new law report with a red colour?
Correct Answer: (b)
In a year, number of weeks = 52
UPSC 2010
Q78. All animals are carnivorous. (a) R (b) Q (c) P (d) M 2. Some animals are not carnivorous. 57. P, Q, R and S are four men. P is the oldest but not the poorest. 3. Animals are not carnivorous. R is the richest but not the oldest. Q is older than S but not 4. Some animals are carnivorous. than P or R. P is richer than Q but not than S. The four men Codes : can be ordered (descending) in respect of ag
Correct Answer: (b)
1 yard = 36 inches The third person who knows 3 languages can also speak 2 1 inch = 2.54 cm languages. \ 1 yard = 2.54 × 36 cm He should not be called on two places Hence, number persons = 27 – 3 = 24 2.54´36 \ 100 yard = ´100 = 91.44 m.
UPSC 2009
Q79. A cuboid has six sides of different colours. The red side is 50. Six persons A, B, C, D, E and F are standing in a row. C and opposite to black. The blue side is adjacent to white. The D are standing close to each other alongside E. B is standing brown side is adjacent to blue. The red side is face down. beside A only. A is fourth from F. Who are standing on the Which one of the following would be
Correct Answer: (a)
Pass % is minimum when failure % is maximum. % of students failed in paper II = 100 – 60 = 40% Maximum % of failure = 20 + 22 + 16 = 58% total % of students who failed = 30 + 40 – 15 = 55% \ Minimum pass % = 100 – 58 = 42% total % of students who passed in both papers 100–55 = 45% Now, pass % is maximum, when failure % is minimum. Let, total number of students be x. Minimum % of failure = 16% Now, 45% of x = 270 ( 22 % failure covers both 16% and 20% i.e, 22% is the Q 45´x minimum value of failu
UPSC 2009
Q80. How many letters of the English alphabet (capitals) appear same when looked at in a mirror?
Correct Answer: (b)
1 2 3 4 5
UPSC 2009
Q81. There is a family of 6 persons A, B, C, D, E and F. There are A, B, C, D and E are members of the same family. There are two two married couples in the family. The family members are fathers, two sons, two wives, three males and two females. The lawyer, teacher, salesman, engineer, accountant and doctor. teacher was the wife of a lawyer who was the son of a doctor. E is D, the salesman is married
Correct Answer: (b)
117, 120, 123, 126, ........., 333
UPSC 2009
Q82. It is possible to have 6 litres of milk each in can A and against the proposal of which 796 were males. 1425 persons voted can B. for the proposal. 196 females were undecided. [2011 - II] 2. It is possible to have 8 litres of milk each in can B and 63. How many females voted for the proposal ? can C. (a) 430 (b) 600 (c) 624 (d) 640 Which of the statements given above is/are correct? 64. How many m
Correct Answer: (b)
1 yard = 36 inches The third person who knows 3 languages can also speak 2 1 inch = 2.54 cm languages. \ 1 yard = 2.54 × 36 cm He should not be called on two places Hence, number persons = 27 – 3 = 24 2.54´36 \ 100 yard = ´100 = 91.44 m.
UPSC 2008
Q83. The sum of the number of persons who take only coffee (b) The face 6 is between the face 2 and the face 4 and those who take only tea is twice the number of (c) The face 1 is between the face 5 and the face 6 persons who take both tea and coffee. (d) None of the above 5337_DBE Mental Ability, Analytical & Logical Reasoning F 5 49. How many different triangles are there in the figure shown (a) PQRS
Q84. A watch showed a time of fourteen minutes past nine (9 hrs (b) Jai – Ahmedabad – Ernakulam and 14 minutes). The positions of the hour-hand and the (c) Krishnan – Delhi – Emakulam minute hand of the watch are exactly interchanged. The (d) Harsh – Bhopal – Delhi new time shown by the watch is closest to which one of the 41. An equilateral triangular plate is to be cut into n number of following?
Correct Answer: (b)
There are 4 routes between A to B, via P, Q, R and S
UPSC 2006
Q85. T does not reside on the topmost floor. 2. Q does not reside on the ground floor. 47. 9 18 25 25 18 1 3. S resides on one storey above that of P and one storey below that of R. To know as the which one of the five 36 16 persons resides on the ground floor which of the above (I) (II) statements are sufficient/ insufficient? (a) 1 and 3 are sufficient (b) 2 and 3 are sufficient 64 (c) 1, 2 and 3 are
Correct Answer: (b)
1 yard = 36 inches The third person who knows 3 languages can also speak 2 1 inch = 2.54 cm languages. \ 1 yard = 2.54 × 36 cm He should not be called on two places Hence, number persons = 27 – 3 = 24 2.54´36 \ 100 yard = ´100 = 91.44 m.
UPSC 2005
Q86. . (a) Gopal (b) Harsh 3. Figures I and IV are sufficient to known as to which (c) Gopal or Inder (d) Inder or Harsh face is opposite to the face numbered 3. 40. If Inder studies in Ahmedabad, then which one of the Which of the statements given above are correct? following is the correct combination of person Hometown- (a) 1 and 3 only (b) 1 and 2 only Place of study?
Correct Answer: (b)
speak both Hindi and English) = 21 – 10 = 11 x +x +x Number of students who speak Hindi = (Total no of students 1 2 3
UPSC 2004
Q87. The magazine on science is published by
Correct Answer: (c)
Container is filled in 30 min. 40´100 \ Container is half-filled in (30 – 5) = 25 min and number of women = = 40 100 Hence, time taken for the container to be one-fourth filled Number of men drawing more than ` 50000 = (25 – 5) = 20 min. 40´60 50 ( ) = = 24 men
UPSC 2004
Q88. A, B, C, D, E and F not necessarily in that order are sitting in (c) Charan Publishers (d) Dev Publishers six chairs regularly placed around a round table. It is 33. The magazine on sports is
Correct Answer: (b)
No. of students who failed in Hindi and English = 10
UPSC 2004
Q89. The magazine on film is
Correct Answer: (c)
Percentage of car owners = 80% = 36 – 24 = 12 Percentage of mobile phone owners = 60% Number of women who draw less than ` 50000 Percentage of people having both car and mobile phone = 55% = 40 – 12 = 28 Percentage of people having only car = 80 – 55 = 25% Percentage of women who draw less than ` 50,000 per year Percentage of people having only mobile phone = 60 – 55 = 5% 28´100 Percentage of people having a car or a mobile phone or both = = 70% 40 =55% + 25% + 5% = 85%
UPSC 2004
Q90. The magazine on politics is
Correct Answer: (c)
Let son’s age in 1930 be x years = Marked price (1 – % Discount) then father’s age in 1930 will be 8x years In 1938, father’s age = (8x + 8) years Cost price(1 + %Gain) 72 ( 1.15 ) As per the question, 8x + 8 = 10x Marked price = = ( ) = 92 (1 – %Discount) 0.90 \ 2x = 8 or x = 4 years
UPSC 2004
Q91. A person stands at the middle point of a wooden ladder, which starts slipping between a vertical wall and the floor 5 1 of a room. The path traced by a person standing at the (iii) 6 (iv) 4 middle point of the slipping ladder, is
Correct Answer: (b)
Let after ‘t’ months Rahul joined the business. Hence No. of students who failed in English and Maths = 12 Amit does business for 1 year and Rahul for (12 – t) months. No. of students who failed in Maths and Hindi = 12 They will share the profit in ratio No. of students who failed in Maths, English and 30000 × 12 : 20000 × (12 – t) = 2 : 1 Hindi = 5 360000 2 \ Total No. of students who failed in atleast two subjects Þ = = No. of students failed in any two subjects + No. of students 240000-20000t
UPSC 2001
Q92. Most guitarists are beared males. If A represents all males, B Gopal, Harsh, Inder, Jai and Krishnan have Ahmedabad, Bhopal, represents beared males and C represents all male guitarists, Cuttack, Delhi and Ernakulam as their hometowns (not necessarily then the correct diagram for their relations (shaded portion) in that order). They are studying in Engineering, Medical, is
Correct Answer: (b)
The given equations are x2 + y2 =34 .....(i) Putting value of (x + x ) = x from (i) in equation (ii) x4 – y4 =544 1 2 3 (x2)2 – (y2)2 =544 æx ö (x2 + y2)(x2 – y2) =544 .....(ii) x +5 =2ç +10÷ è3 ø Putting value of (i) in (ii), x =45 34(x2 – y2) =544
UPSC 2001
Q93. For the system of equations x2 + y2 = 34, x4 – y4 = 544, the (a) Anthony, Akbar, Farah, Amar values of x and y are
Correct Answer: (b)
The given equations are x2 + y2 =34 .....(i) Putting value of (x + x ) = x from (i) in equation (ii) x4 – y4 =544 1 2 3 (x2)2 – (y2)2 =544 æx ö (x2 + y2)(x2 – y2) =544 .....(ii) x +5 =2ç +10÷ è3 ø Putting value of (i) in (ii), x =45 34(x2 – y2) =544
UPSC 2001
Q94. 10% families own both a car and a phone 33. A city has a population of 3,00,000 out of which 1,80,000 are 2. 35% families own either a car or a phone males. 50% of the population is literate. If 70% of the males 3. 40,000 families live in the town are literate, the number of literate females is
Correct Answer: (b)
1 yard = 36 inches The third person who knows 3 languages can also speak 2 1 inch = 2.54 cm languages. \ 1 yard = 2.54 × 36 cm He should not be called on two places Hence, number persons = 27 – 3 = 24 2.54´36 \ 100 yard = ´100 = 91.44 m.
UPSC 2001
Q95. In a survey, it was found that 80% of those surveyed owned 24. In an examination, every candidate took Physics or a car while 60% of those surveyed owned a mobile phone. If Mathematics or both. 65.8% took Physics and 59.2% took 55% owned both a car and a mobile phone, what percent of Mathematics. The total number of candidates was 2000. those surveyed owned a car or a mobile phone or both? How man
Correct Answer: (c)
Percentage of car owners = 80% = 36 – 24 = 12 Percentage of mobile phone owners = 60% Number of women who draw less than ` 50000 Percentage of people having both car and mobile phone = 55% = 40 – 12 = 28 Percentage of people having only car = 80 – 55 = 25% Percentage of women who draw less than ` 50,000 per year Percentage of people having only mobile phone = 60 – 55 = 5% 28´100 Percentage of people having a car or a mobile phone or both = = 70% 40 =55% + 25% + 5% = 85%
UPSC 2000
Q96. The number of males equals that of females DIRECTIONS (Qs. 32-35) : The details given below relate to 2. A and E are sons of F. the FOUR items that follow: 3. D is the mother of two, one boy and one girl Amit wishes to buy a magazine, four magazines one each on 4. B is the son of A politics, sports, science and films are available to choose from. 5. There is only one married couple in the family a
Correct Answer: (b)
1 yard = 36 inches The third person who knows 3 languages can also speak 2 1 inch = 2.54 cm languages. \ 1 yard = 2.54 × 36 cm He should not be called on two places Hence, number persons = 27 – 3 = 24 2.54´36 \ 100 yard = ´100 = 91.44 m.
UPSC 2000
Q97. In a family, a couple has a son and daughter. The age of the 25. A club has 108 members. Two-thirds of them are men and father is three times that of his daughter and the age of the the rest are women. All members are married except for 9 son is half of his mother. The wife is nine years younger to women members. How many married women are there in the her husband and the brother is seven years ol
Correct Answer: (d)
Let the mother’s age be y years. 29 \ The age of father = (y + 9) years and Farah’s weight = ´48=58kg 24 y \ Arrangement of persons in the ascending order : The age of son = years 2 Akbar < Anthony < Farah < Amar.
UPSC 2000
Q98. An accurate clock shows 8 o' clock in the morning. (c) 50 years (d) 60 years Throughout how many degrees will the hour hand rotate, 18. The missing fraction in the series given below is: when the clock shows 2 o'clock in the afternoon?
Correct Answer: (d)
Angle made by hour hand for 12 hours = 360° then weight of Amar = kg 2 360° Angle made by hour hand for 1 hour = æ3x 3x ö 9x 12 and weight of Anthony = ç - ÷= kg. è 2 4´2ø 8 360° \ Angle made by hour hand for 6 hours = (6) = 180° 1æ 3x 9xö 29x 12 Hence weight of Farah = çx+ + ÷= kg
UPSC 2000
Q99. In an office, the distribution of work hours is as shown in 28. If x = –2, then x3 – x2 – x – 1 is equal to
Correct Answer: (c)
Average number of hours and Percentage of candidates who opted for Mathematics = 59.2% 5 ( 17 )+1 ( 22 )+25 ( 27 )+40 ( 32 )+15 ( 37 )+8 ( 42.5 ) = \ x = (65.8 + 59.2 – 100)% 5+1+25+40+15+8 = (125 – 100)% = 25% 2957 Now, total number of candidates = 2000 = =30 94 \ Number of candidates who opted for both the subjects Number of persons who worked 35 or more hours 25´2000 = 18 + 8 = 23 = 25% of 2000 = = 500 100 23 \ % of such persons = ´100 = 24.468 < 25 1 94
UPSC 2000
Q100. The average number of hours worked by a staff member is about 30 English 30 5 2. The percentage of those who worked 3.5 or more hours 12 12 is less than 25 3. At least 5 staff members worked more than 44 hours 80 Which of these inferences is/are valid? (a) 1 alone (b) 2 alone Mathematics (c) 1 and 2 (d) 1, 2 and 3 (a) 6.8 (b) 7.8 (c) 34 (d) 39 21. Amar, Akbar and Anthony are friends, being looked
Correct Answer: (b)
1 yard = 36 inches The third person who knows 3 languages can also speak 2 1 inch = 2.54 cm languages. \ 1 yard = 2.54 × 36 cm He should not be called on two places Hence, number persons = 27 – 3 = 24 2.54´36 \ 100 yard = ´100 = 91.44 m.
UPSC 1999
Q101. In a group of five people, K, L and M are ambitious, M, N, C and R are honest, L, M and N are intelligent and K, N and R A are industrious. Among these neither industrious nor B ambitious person(s) would include
Correct Answer: (b)
Let x% candidates take both the subjects. y2 x2 Percentage of candidates who opted for Physics = 65.8%
UPSC 1999
Q102. On another planet, the local terminology for earth, water, light, air and sky are 'sky', 'light', 'air', 'water' and 'earth' respectively. If someone is thirsty there, what would he C drink?
Correct Answer: (c)
No. of women = (108) = 36 3 So, Inference 1 and 2 are valid \ No. of married women = No of women – No of
UPSC 1999
Q103. In a code language, 'SOLID' is ,written as 'WPSLPIMFHA', A What does the code' ATEXXQIBVO' refer to?
Correct Answer: (d)
Angle made by hour hand for 12 hours = 360° then weight of Amar = kg 2 360° Angle made by hour hand for 1 hour = æ3x 3x ö 9x 12 and weight of Anthony = ç - ÷= kg. è 2 4´2ø 8 360° \ Angle made by hour hand for 6 hours = (6) = 180° 1æ 3x 9xö 29x 12 Hence weight of Farah = çx+ + ÷= kg
UPSC 1999
Q104. If x + 2y = 2x + y, then x2 /y2 is equal to
Correct Answer: (b)
2x + y = x + 2y 100 x = y y =40000 So statement (3) is also correct. x2 x2 Now, = =1
UPSC 1999
Q105. Water is filled in a container in such a manner that its volume 22. In the sequence of numbers 5, 8, 13, X, 34, 55, 89, . . ., the doubles after every five minutes. If it takes 30 minutes for value of X is
Correct Answer: (c)
Container is filled in 30 min. 40´100 \ Container is half-filled in (30 – 5) = 25 min and number of women = = 40 100 Hence, time taken for the container to be one-fourth filled Number of men drawing more than ` 50000 = (25 – 5) = 20 min. 40´60 50 ( ) = = 24 men
UPSC 1998
Q106. John is lazy/therefore, John is not stupid (c) spider (d) horse 2. John is not lazy/therefore, John is stupid 11. Examine the following statements: [1996, 2014-II] 3 John is not stupid/therefore, John is lazy 1 George attends Music classes on Monday 4. John is stupid/therefore, John is not lazy 2. He attends Mathematics classes on Wednesday Codes: 3. His Literature classes are not on Friday (a) 1
Correct Answer: (b)
1 yard = 36 inches The third person who knows 3 languages can also speak 2 1 inch = 2.54 cm languages. \ 1 yard = 2.54 × 36 cm He should not be called on two places Hence, number persons = 27 – 3 = 24 2.54´36 \ 100 yard = ´100 = 91.44 m.
UPSC 1998
Q107. All balls are black honest 2. All balls are white 19. In a dinner party both fish and meat were served. Some took 3. Only some balls are black only fish and some only meat. There were some vegetarians 4. No balls are black who did not accept either. The rest accepted both fish and Assuming that the balls can only be black or white, which meat two of the statements given above can both be true, but
Correct Answer: (b)
1 yard = 36 inches The third person who knows 3 languages can also speak 2 1 inch = 2.54 cm languages. \ 1 yard = 2.54 × 36 cm He should not be called on two places Hence, number persons = 27 – 3 = 24 2.54´36 \ 100 yard = ´100 = 91.44 m.
UPSC 1998
Q108. 2. 3. (c) (d) 4. 5. ................... 20. A, B, C, D, E, F and G are members of a family consisting of 4 adults and 3 children, two of whom, F and G are girls. A and D are brothers and A is a doctor. E is an engineer married to one of the brothers and has two children. B is married to In the given sequence of figures, the figure that would D and G is their child. Who is C ?
Correct Answer: (b)
1 yard = 36 inches The third person who knows 3 languages can also speak 2 1 inch = 2.54 cm languages. \ 1 yard = 2.54 × 36 cm He should not be called on two places Hence, number persons = 27 – 3 = 24 2.54´36 \ 100 yard = ´100 = 91.44 m.
UPSC 1998
Q109. Which one of the following satisfies relationship Dda: aDD : : Rrb : ?
Correct Answer: (d)
Let weight of Akbar = x kg. unmarried women = 36 – 9 = 27 3x
UPSC 1998
Q110. A, B, C, D, E and F, not necessarily in that order, are sitting on six chairs regularly placed around a round table. It is observed that A is between D and F, C is opposite to D and D and E are not on neighbouring chairs.
Correct Answer: (b)
Given pattern : æ y ö The age of daughter = ç -7÷years A number is obtained by summation of previous two è 2 ø numbers. Now according to the given condition, 13 = 8 + 5, X = 8 + 13 = 21, 21 + 34 = 55 and so on. æy ö
UPSC 1998
Q111. If in a certain code SAND is VDQG and BIRD is ELUG, then 17. what is the code for LOVE?
Correct Answer: (c)
Suppose x% families own both a car and a phone, then (y +9 ) = 3ç -7÷ percentage of the families owing only a phone = 25 – x è2 ø Percentage of the families owing only a car = 15 – x 3y-42 \ Now, (25 – x) + (15 – x) + x + 65 = 100 Þ y + 9 = 2 x = 5 Þ 2y + 18 = 3y – 42 Percentage of families who have either a car or a phone Þ y = 60 years =(25 – 5) + (15 –5) + 5 = 35
UPSC 1997
Q112. Some members of Mohan's family are not employed (a) Intelligent persons have good memory 3. Some employed persons are not honest (b) Some birds are animals 4. Some honest persons are not employed (c) Some businessman are dishonest Which one of the following inferences can be drawn from (d) All men are mortal the above statements? 14. In the series POQ, SRT, VUW, _________, the blank space (a) All
Let the average marks in the third Annual examination be x.
UPSC 1997
Q114. A person earns ` 2000 per month over and above his salary (a) 1/27 (b) 1/25 as additional charge allowance. However, 30% of this (c) 1/550 (d) 175/1000 additional income will be deducted as additional income tax 11. The number of times in a day the Hour-hand and the Minute- at source. If the person would deposit ` 1000 per month on hand of a clock are at right angles, is
Correct Answer: (b)
speak both Hindi and English) = 21 – 10 = 11 x +x +x Number of students who speak Hindi = (Total no of students 1 2 3
UPSC 1997
Q115. The average monthly income of person in a certain family of (a) ` 225; ` 425 (b) ` 250; ` 400 5 Persons is `1000. What will be monthly average income of (c) ` 275; ` 375 (d) ` 300; ` 350 person in the same family if the income of one person 15. If 15 pumps of equal capacity can fill a tank in 7 days, then increased by `12000 per year?
Correct Answer: (a)
Total income of the family per month \ No. of pumps required to fill a tank in 1 day = 5 × 1000 = `5000 per month = 15 × 7 = 105 ......(i) 12000 Let the extra pumps required be n. Increased amount= = `1000 per month Now, no of pumps required to fill the tank in 1 day 12 =(n + 15) 5 ......(ii) Now total amount of the family per month = `6000 From (i) and (ii), So the average income of the family per month (n + 15) 5 =105 6000 n + 15 =21 (after increasing) = = `1200 n =6 5
UPSC 1997
Q116. In a group of persons travelling in a bus, 6 persons can (a) 6 (b) 7 (c) 14 (d) 21 speak Tamil, 15 can speak Hindi and 6 can speak Gujrati. In 16. Out of the three annual examination, each with a total of 500 that group none can speak any other language. If 2 persons marks, a student secured average marks of 45% and 55% in in the group can speak two languages and one person can the first and secon
Correct Answer: (d)
Total number of Hindi, Tamil and Gujrati speaking Total marks = (Marks in first + second + third) Annual people = 15 + 6 + 6 = 27 examination Two persons of this group can speak 2 languages while one can speak 3 languages. 5337_DBE Arithmetic F 53 Þ 116x = 5568 æ500ö æ 45 ö æ 55 ö æ x ö 3(60)ç ÷=ç ÷(500)+ç ÷(500)+ç ÷(500) Þ x = 48 è100ø è100ø è100ø è100ø 3(60) = 45 + 55 + x 3 \ Amar’s weight = (48)= 72 kg x = 80 2 \ Average marks in the third annual examination 3 æ 1ö = æ ç 80 ö ÷(500)= 400 Anth
UPSC 1996
Q117. In the given diagram, circle A represents teachers who can used ?
Q118. Seven men A, B,C, D, E, F and G are standing in a queue in 8. In the given figure, the triangle represents girls, the square that order. Each one is wearing a cap of a different colour represents sports persons and the circle represents coaches. like violet, indigo, blue, green, yellow, orange and red. D is The portion in the figure which represents girls who are sports able to see in front of him
Correct Answer: (b)
Total number of musicians = 120 = 175 Number of musicians who can play all the three instruments \ Number of persons who know any of the language 5 = 550 + 268 + 175 = 993 = 5% of 120 = ´120= 6 Number of persons who do not know any of the language = 100 1000 – 993 = 7 Number of musicians who can play any two or only two of three instruments = 30 7 1 Number of the musicians who can play the guitar alone = 40 \ Required ratio = = 175 25 Now the number of musicians who can play violin alone or
UPSC 1996
Q119. The next pair of letters in the series AZ, CX, FU.............. is (a) I and III (b) I and IV
Correct Answer: (d)
Total number of Hindi, Tamil and Gujrati speaking Total marks = (Marks in first + second + third) Annual people = 15 + 6 + 6 = 27 examination Two persons of this group can speak 2 languages while one can speak 3 languages. 5337_DBE Arithmetic F 53 Þ 116x = 5568 æ500ö æ 45 ö æ 55 ö æ x ö 3(60)ç ÷=ç ÷(500)+ç ÷(500)+ç ÷(500) Þ x = 48 è100ø è100ø è100ø è100ø 3(60) = 45 + 55 + x 3 \ Amar’s weight = (48)= 72 kg x = 80 2 \ Average marks in the third annual examination 3 æ 1ö = æ ç 80 ö ÷(500)= 400 Anth
UPSC 1996
Q120. Which of the following can be inferred from the statement 10. Mouse is to cat as fly is to :
Correct Answer: (b)
=14 – No of students who speak only English) = 50 – 11 = 39 3 \ Number of students who speak only Hindi = (Number x + x =42 – x ......(i) 2 3 1 of Hindi speaking students – no of students who speak 2(x + x ) =30 2 3 both languages) = 39 – 10 = 29 x + x =15 ......(ii) 2 3
UPSC 1996
Q121. In an accurate clock, in a period of 2 hours 20 minutes (140 minutes), the minute hand will move over
Correct Answer: (d)
Number of students who speak only English = (Number = 120 – 76 = 44 of students who speak English – Number of students who
UPSC 1996
Q122. The average of x , x and x is 14. Twice the sum of x and 1 2 3 2 many can speak Hindi, how many can speak only Hindi and x is 30. What is the value of x ?
Correct Answer: (b)
=14 – No of students who speak only English) = 50 – 11 = 39 3 \ Number of students who speak only Hindi = (Number x + x =42 – x ......(i) 2 3 1 of Hindi speaking students – no of students who speak 2(x + x ) =30 2 3 both languages) = 39 – 10 = 29 x + x =15 ......(ii) 2 3
UPSC 1996
Q123. If the price of a television set is increased by 25%, then by (b) 28, 18 and 22 respectively what percentage should the new price be reduced to bring (c) 37, 27 and 13 respectively the price back to the original level?
Correct Answer: (c)
Let the original price be x. 12 \ Time taken to cover an angle of 135° = ´135= 4.5 h æ 25 ö 5x 360 Increased price =xç1+ ÷ = \ Required time = 3 + 4.5 = 7.5 = 7:30 è 100ø 4
UPSC 1996
Q124. An accurate clock shows the time as 3.00. After hour hand 7. If A = x2 – y2, B = 20 and x + y = 10, then
Correct Answer: (a)
Hour hand covers an angle of 360° in 12 hours. Putting (i) in (ii), x = 27 1
UPSC 1995
Q125. Consider the series given below: 6. Six roads lead to a country. They may be indicated by letters 4/12/95, 1/1/96, 29/1/96, 26/2/96, .... The next term of the X, Y, Z and digits 1, 2, 3. When there is storm, Y is blocked. series is
Correct Answer: (b)
1 yard = 36 inches The third person who knows 3 languages can also speak 2 1 inch = 2.54 cm languages. \ 1 yard = 2.54 × 36 cm He should not be called on two places Hence, number persons = 27 – 3 = 24 2.54´36 \ 100 yard = ´100 = 91.44 m.
UPSC 1995
Q126. Which one of the following Venn diagrams correctly can teach Physics and Mathematics but not Chemistry, is illustrates the relationship among the classes: Carrot, Food,
Correct Answer: (d)
A = x2 – y2 = (x + y)(x – y) = 10 (x – y) ç è 100 ÷ ø =(650 – a)ç è100 ÷ ø B = 20 a =250 Now, it is not possible to compare A and B, as the Cost price for B =650 – 250 = 400 value of x and y is not known.
UPSC 1995
Q127. Examine the following statements :
Correct Answer: (b)
speak both Hindi and English) = 21 – 10 = 11 x +x +x Number of students who speak Hindi = (Total no of students 1 2 3
UPSC 1995
Q128. (b) Given dates differ by 28 days each. Friday cannot have literature classes, so it must be on Since 26/2/96 is a leap year, so February contains 29 days. Saturday as Sunday is free. Only remaining day to be free is Friday, so Friday is free. Required date = 26/2/96 + 28 days = 25/3/96 2. (b) It is the common area between A and C but not 12. (c) The minute hand move over in 60 minutes = 360° incl
Correct Answer: (b)
1 yard = 36 inches The third person who knows 3 languages can also speak 2 1 inch = 2.54 cm languages. \ 1 yard = 2.54 × 36 cm He should not be called on two places Hence, number persons = 27 – 3 = 24 2.54´36 \ 100 yard = ´100 = 91.44 m.
UPSC 1995
Q129. The value of (a – m) (b – m)..... (y – m) (z – m) is
Q130. Out of a total of 120 musicians in a club, 5% can play all the 105 German three instruments, guitar, violin and flute. If so happens 170 175 that the number of musicians who can play any two or only 78 two of the above instruments is 30. The number of musicians 85 who can play the guitar alone is 40. What is the total number 200 of those who can play violin alone or flute alone?
Correct Answer: (b)
Total number of musicians = 120 = 175 Number of musicians who can play all the three instruments \ Number of persons who know any of the language 5 = 550 + 268 + 175 = 993 = 5% of 120 = ´120= 6 Number of persons who do not know any of the language = 100 1000 – 993 = 7 Number of musicians who can play any two or only two of three instruments = 30 7 1 Number of the musicians who can play the guitar alone = 40 \ Required ratio = = 175 25 Now the number of musicians who can play violin alone or
UPSC 1995
Q131. There are 50 students admitted to a nursery class. Some effective interest for this person for money invested in the students can speak only English and some can speak only long term savings scheme?
Correct Answer: (d)
Number of students who speak only English = (Number = 120 – 76 = 44 of students who speak English – Number of students who