Blood Relationship Aptitude Questions & Formulas with answer


Ques 1 GATE 2025 SET-1


Consider the relationships among P, Q, R, S, and T:
• P is the brother of Q.
• S is the daughter of Q.
• T is the sister of S.
• R is the mother of Q.
The following statements are made based on the relationships given above.
(1) R is the grandmother of S.
(2) P is the uncle of S and T.
(3) R has only one son.
(4) Q has only one daughter.
Which one of the following options is correct?

A

Both (1) and (2) are true.

B

Both (1) and (3) are true.

C

Only (3) is true.

D

Only (4) is true.

(a) is the correct answer.