If A + B means A is the brother of B; A – B means A is the sister of B and A x B means A is the father of B. Which of the following means that C is the son of M?

Question: If A + B means A is the brother of B; A – B means A is the sister of B and A x B means A is the father of B. Which of the following means that C is the son of M?
[A].

M – N x C + F

[B].

F – C + N x M

[C].

N + M – F x C

[D].

M x N – C + F

Answer: Option D

Explanation:

M x N → M is the father of N

N – C → N is the sister of C

and C + F → C is the brother of F.

Hence, M is the father of C or C is the son of M.