1. A is the son of C; C and Q are sisters; Z is the mother of Q and P is the son of Z. Which of the following statements is true?
A. P and A are cousins
B. P is the maternal uncle of A
C. Q is the maternal grandfather of A
D. C and P are sisters
Answer: Option B
Explanation: C and Q are sisters and A is the son of C. Hence, C is the mother of A or Z is the mother Q.
Hence, Z is the maternal grandmother of A. P is the son of Z. Hence, P is the maternal uncle of A.
2. M is the father of N who is the son of V. In order to know the relation of M to P, which of the statement/statements is/are necessary?
1. P is the brother of V.
2. The daughter of N is the granddaughter of V.
A. Only (1)
B. Only (2)
C. Either (1) or (2)
D. (1) and (2) both
Answer: Option A
Explanation: M is the father of N and N is the son of V.
Hence, V is the mother of N.
From (1), P is the brother of V
Therefore, M is the brother-in-law of P because V is the wife of M.
From (2), the daughter of N is the granddaughter of V. From this we do not get any relation of M to P.
3. If X + Y means X is the daughter of Y; X - Y means X is the brother of Y; X % Y means X is the father of Y and X x Y means X is the sister of Y. Which of the following means I is the niece of J?
A. J - N % C x I
B. I x C - N % J
C. J + M x C % I
D. I x C + N - J
Answer: Option D
Explanation: I x C → I is the sister of C
C + N → C is the daughter of N
and N - J → N is the brother of I.
Hence, I is the niece of J.