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.287Medium
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.288Medium
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.289Medium
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.290Hard
A, B, C, D, E are sitting in a circle. A is opposite to C. B is to the immediate right of A. D is between C and E. Who sits to the immediate left of C?
Answer: A
In circle: A-B (right of A)-E-D-C (opposite to A). From C going left: C-D-E-B-A. So A sits to the immediate left of C when going counterclockwise
Q.291Easy
A is the father of B. B is the mother of C. C is the sister of D. How is A related to D?
Answer: A
A is father of B, B is mother of C and D. Therefore, A is grandfather of D.
Q.292Easy
Looking at a photograph, Ramesh said, 'She is the mother of my mother.' Who is the woman in the photograph?
Answer: A
Mother of my mother = Grandmother.
Q.293Medium
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.294Medium
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.295Hard
If X says 'Y's mother is the wife of my father's son', how is X related to Y?
Answer: A
My father's son = myself (X). My father's son's wife = X's wife. So Y's mother is X's wife, making Y the son of X. X is Y's father. Wait - reconsidering: Y's mother is wife of X. So X is Y's father.
Q.296Easy
Among six persons A, B, C, D, E, F: B is the son of A. D is the daughter of C. E is the sister of B. F is the mother of D. Who is the father of E?
Answer: A
B is son of A. E is sister of B. Therefore, E is also child of A, making A the father of E.
Q.297Medium
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.298Medium
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.299Hard
M is the mother of N. O is the father of M. P is the brother of O. How is P related to N?
Answer: D
O is father of M. P is brother of O. So P is uncle of M. M is mother of N. So P is great-uncle (great-grand-uncle) of N.
Q.300Hard
Seven people A, B, C, D, E, F, G are sitting in a row. G is to the right of F. E is to the left of F. B is to the right of C. C is to the left of A. A is to the right of E. Who is sitting in the middle?
Answer: C
Arranging based on clues: C-A-E-F-G and B-C. Order: B-C-A-E-F-G-D or similar. With 7 people, 4th position is middle. After arrangement: C is in middle position.
