Q: In a family, there are six members A, B, C, D, E and F. A and B are a married couple, A being the male member. D is the only son of C, who is the brother of A. E is the sister of D. B is the daughter-in-law of F, whose husband has died. How many male members are there in the family ?
Solution: A is a male and married to B. So, A is the husband and B is the wife. C is the brother of A. D is the son of C. E, who is the sister of D will be the daughter of C. B is the daughter-in-law of F whose husband has died means F is the mother of A. A is a male. B. the wife, is female. C. the brother, is male. D. the son, is male. E, the sister, is female. F, the mother, is a female. So, there are three males. The correct answer is: C) 3
Q: Among five friends who is the tallest ? I. D is taller than A and C. II. B is shorter than E but taller than D.
Solution: From I, we have : D > A , D> C, From II, we have : E >B > D. Combining the above two, we get : E > B> D> (A and C). So, E is the tallest. Clearly, both the statements are needed to answer the question The correct answer is: D) If the data in both the statements together are needed.
Q: The sum of three consecutive multiples of 3 is 72. What is the second largest number ?
Solution: Let the numbers be 3x, 3x + 3 and 3x + 6.Then,3x + (3x + 3) + (3x + 6) = 729x = 63x = 7Largest number = 3x + 6 = 27. => Second largest number = 27 - 3 = 24 The correct answer is: B) 24
Q: Find the odd one out
Solution: Cruise = a sea voyage for pleasure. All other words are related to ‘journey on land, sea with an aim’ The correct answer is: D) cruise
Q: The following question is based on the given data for an examination. A. Candidates appeared 10500 B. Passed in all the five subjects 5685 C. Passed in three subjects only 1498 D. Passed in two subjects only 1250 E. Passed in one subject only 835 F. Failed in English only 78 G. Failed in Maths only 275 H. Failed in Physics only 149 I. Failed in Chemistry only 147 J. Failed in Biology only 221 How many candidates passed in at least four subjects ?
Solution: Candidates passed in atleast four subjects = (Candidates passed in 4 subjects) + (Candidates Passed in all 5 subjects) = (Candidates failed in only 1 subject ) + ( Candidates passed in all subjects) = (78 + 275 + 149 + 147 + 221) + 5685 = 870 + 5685 = 6555 The correct answer is: A) 6555
Q: Find the wrong number in the series. 1, 2, 6, 15, 31, 56, 91
Solution: The difference of the two consecutive numbers are 1, 4, 9, 16, 25, 35. This is clearly , +12, +22, +32, +42, +52,+62 Here 35 is wrong, So our wrong number is 91 The correct answer is: D) 91
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