1. 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?
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By: guest on 02 Jun 2017 02.08 am
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 niece of J.