1. Question: How many sons does X have ? Statements: Q and U are brothers of T. R is sister of P and U. R and T are daughters of X.
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By: guest on 02 Jun 2017 02.09 am
From I, II and III, we conclude that all P, Q, R, T and U are children of X. Of these, Q and U are male while R and T are female. But the sex of P cannot be determined.