In a code, FLOWER is written as EKNVDQ. How is GARDEN written in the same code?
Answer: B
Each letter is shifted backward by 1. G→F, A→Z, R→Q, D→C, E→D, N→M = FZQDCM
Q.122Medium
X is the uncle of Y. Y is the sister of Z. Z is the father of W. How is W related to X?
Answer: A
X is uncle of Y. Y is sister of Z. So X is also uncle of Z. Z is father of W. Therefore, W is nephew of X.
Q.123Medium
Five boxes are arranged in order of weight. Box C is heavier than Box A. Box B is lighter than Box D. Box E is the heaviest. Box A is lighter than Box B. Which box is the lightest?
Answer: A
From A<B<D and A<C and E is heaviest. Testing: A<B, A<C, B<D, E heaviest. A is lightest.
Q.124Medium
Series: 1, 1, 2, 3, 5, 8, 13, ?
Answer: A
Fibonacci sequence where each number is sum of previous two. 8+13=21
Q.125Medium
A girl leaves home at 9 AM, walks North for 2 km, turns West for 3 km, turns South for 4 km. In which direction is she from home?
Answer: A
Net: 3 km West, 2 km South (4-2). She is Southwest of home.
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Q.126Medium
Statement: All students are hardworking. No lazy person is hardworking. Conclusion: No student is lazy.
Answer: A
If all students are hardworking and no lazy person is hardworking, then logically no student can be lazy.
Q.127Medium
If TIGER is coded as 20-9-7-5-18, how is ZEBRA coded?
Answer: A
Letters coded by position in alphabet. Z=26, E=5, B=2, R=18, A=1. Answer is 26-5-2-18-1
Q.128Medium
Series: 3, 7, 15, 31, 63, ?
What comes next?
Answer: A
Pattern: 2¹+1=3, 2³-1=7, 2⁴-1=15, 2⁵-1=31, 2⁶-1=63, 2⁷-1=127. Each is 2ⁿ-1 where n starts at 2
Q.129Medium
In a row of 6 people, P is to the left of Q. R is to the right of Q. S is between P and Q. T is at one end. Where is U? (Additional constraint: Q is not at the rightmost end)
Answer: B
Arrangement from left: T-P-S-Q-R-U. T is at left end, P-S-Q-R is the order given, U must be to the right of R
Q.130Medium
Statement I: All engineers are intelligent. Statement II: Some intelligent people are not engineers. Conclusion: Some engineers are not intelligent. Which is valid?
Answer: C
If ALL engineers are intelligent (Statement I), then NO engineer can be non-intelligent. The conclusion contradicts Statement I.
Q.131Medium
Pointing to a man, a woman said, 'His mother is the only daughter of my mother.' How is that man related to the woman?
Answer: A
The only daughter of my mother = myself. So his mother is the woman. Therefore, the man is her son.
Q.132Medium
A is the brother of B. B is the sister of C. C is the mother of D. D is the son of E. How is A related to D?
Answer: A
A is brother of B, B is sister of C (so A and C are siblings), C is mother of D. Therefore A is uncle of D.
Q.133Medium
In a family of five members, P is the father of Q and R. Q is the mother of S. T is the brother of P. How many males are there in the family?
Answer: D
P is male (father). T is male (brother). R's gender unclear. S's gender unclear. Q is female (mother). Insufficient information.
Q.134Medium
Pointing to a photograph, Arun said, 'He is the son of my mother's only son.' Who is the person in the photograph?
Answer: C
My mother's only son = myself (Arun). So the person is the son of Arun = Arun's son.
Q.135Medium
If all roses are flowers, and some flowers are red, which of the following must be true?
Answer: D
All roses are flowers (true). Some flowers are red (true). But this doesn't guarantee roses are among those red flowers.
Q.136Medium
Statement: All doctors are professionals. Some professionals are not ethical. Conclusion: Some doctors are not ethical.
Answer: C
All doctors are professionals (given). Some professionals are not ethical (given). But it's possible that the unethical professionals are not doctors. Conclusion cannot be determined.
Q.137Medium
In a family, there are 6 members: A, B, C, D, E, F. A is married to B. C and D are children of A and B. E is married to C. F is the child of C and E. Who is the mother-in-law of E?
Answer: B
E is married to C. C is the child of A and B. B is the mother of C. Therefore, B is the mother-in-law of E.
Q.138Medium
All smartphones are electronic devices. Some electronic devices are expensive. Conclusion: Some smartphones are expensive. Is this conclusion valid?
Answer: B
The conclusion does not follow logically. Some electronic devices being expensive doesn't guarantee smartphones are included in that some.
Q.139Medium
In a family, X is the sister of Y. Y is the brother of Z. Z is the father of W. How is X related to W?
Answer: A
X is sister of Y. Y is brother of Z (so Z is also sibling of X). Z is father of W. Therefore, X is aunt of W.
Q.140Medium
If MOUNTAIN = 13-15-21-14-20-1-9-14, how many letters in the code have odd position values?
Answer: C
Odd values: 13(M), 21(U), 15(O), 1(A), 9(I) = 5 letters with odd position values.
