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Blood Relation Test - Verbal and Reasoning

Q1:

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

ANS:D - M x N - C + F

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.