engineering recuitment GATE ECE 2023-24 Test Series General Aptitude Verbal Ability Critical Reasoning
Each of P, Q, R, S, W, X, Y and Z has been married at most once. X and Y are married and have two children P and Q. Z is the grandfather of the daughter S of P. Further, Z and W are married and are parents of R. Which one of the following must necessarily be FALSE?
1
X is the mother-in-law of R
2
P and R are not married to each other
3
P is a son of X and Y
4
Q cannot be married to R