A family consists of six members P, Q, R, X, Y and Z. Q is the son of R but R is not mother of  P and R are a married couple. Y is the brother of R. X is the daughter of P. Z is the brother of P. How many children does P have ?
A. 1
B. 4
C. 3
D. 2
Answer:D
A family consists of six members P, Q, R, X, Y and Z. Q is the son of R but R is not mother of  P and R are a married couple. Y is the brother of R. X is the daughter of P. Z is the brother of P. How many children does P have ?
A. 1 B. 4 C. 3 D. 2