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?
A. J - N % C x I
B. I x C - N % J
C. J + M x C % I
D. I x C + N - J

Answer: Option D

Explanation:

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.