If X ÷ Y means X is the father of Y, X - Z means X is the sister of Z, and Y + Z means Y is the bro

A. Z is Y's sister

B. Z is Y's brother

C. Z is Y's cousin

D. Z is Y's son

E. None of the above

Answer: A. Z is Y's sister

X ÷ Y indicates X is the father of Y, and since X - Z means X is the sister of Z, Z must be Y's sister.

Posted in: Coded Relations - Blood Relations - Verbal Reasoning