Interview Q&A / Aptitude

1. A is the sister of B. C is B's mother. D is C's father. E is D's mother. How is A related to D, and to E?

   A is D's granddaughter and E's great-granddaughter. A and B are children of C; C is D's child, so A is D's grandchild, and A is female (a sister), so granddaughter. D is E's son, so A is E's great-granddaughter.

   BeginnerQuick answer1 min read
2. Pointing to a photograph of a man, Arjun says, 'He is the son of the only son of my grandfather.' How is the man related to Arjun?

   He is Arjun's brother. The only son of Arjun's (paternal) grandfather is Arjun's father, and a son of Arjun's father who is someone other than Arjun is Arjun's brother.

   BeginnerQuick answer1 min read
3. If P + Q means P is the father of Q, P - Q means P is the wife of Q, and P x Q means P is the brother of Q, what does A - B + C x D mean about A and D?

   A is D's mother. A - B: A is B's wife. B + C: B is C's father. C x D: C is D's brother, so D is also B's child. Since A is B's wife, A is the mother of D.

   IntermediateQuick answer1 min read