If M − N means M is the brother of N, M + N means M is the mother of N, M N means M's wife...
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If M − N means M is the brother of N, M + N means M is the mother of N, M # N means M's wife is N, M $ N means M is the son of N. Then how is 'D' related to 'C' in the expression of (C − B + A − D) and (D $ F # B)?
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Answer: B. B) Nephew
B is the mother of A and D, and C is the brother of B. Thus, C is the maternal uncle of D, making D the nephew of C.
Step-by-step Derivation:
Step 1: 'A - D' means A is brother of D (A and D are siblings).
Step 2: 'B + A' means B is mother of A (and thus mother of D).
Step 3: 'C - B' means C is brother of B.
Step 4: C is D's mother's brother (maternal uncle), so D is C's nephew.