If M × N means M is the grandmother of N, M + N means M is the grandfather of N, and M - N means M

A. O is the cousin of N

B. O is the sister of N

C. O is the brother of N

D. O is the niece of N

E. None of the above

Answer: B. O is the sister of N

M is the grandmother of O, and O is the sister of N.

Posted in: Coded Relations - Blood Relations - Verbal Reasoning