If P + Q means P is the brother of Q; P ×Q means P is the father of Q and P − Q means P is the sister…
K is Y’s brother, Y is I’s father, and I is Z’s sister. Thus I is female and is the child of K’s sibling: K’s niece.
Choose your answer
If P + Q means P is the brother of Q; P ×Q means P is the father of Q and P − Q means P is the sister of Q, which of the following relations shows that I is the niece of K?
Answer and explanation
Correct answer B
K is Y’s brother, Y is I’s father, and I is Z’s sister. Thus I is female and is the child of K’s sibling: K’s niece.
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