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
Correct Answer: M x N - C + F
M x N → M is the father of NN - 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.