P and Q are children of S. Who is the father of P?
To answer this question which of the statements (1) and ( 2 ) is / are necessary ?
(1) R is the brother of P and the son of T.
(2) U is the mother of Q.
1
(1) and (2) both
2
Only (2)
3
Either ( 1 ) or (2)
4
Only (1)