'P @ Q' means 'P is the sister of Q' 'P & Q' means 'P is the father of Q' 'P # Q' means 'P is the brother of Q' If ' A @ B # C & D @ E, then how is D related to A?
Explanation:
A @ B → A sister of B. B # C → B brother of C (C male). C & D → C father of D. D @ E → D sister of E (D female). So A, B, C are siblings; A is sister of C. D is daughter of C, thus D is A's brother's daughter.
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?
Explanation:
In option D, M x N means M is the father of N. N - C means N is the sister of C, so M is also the father of C. C + F means C is the brother of F, which establishes that C is male. Therefore, C is the son of M.
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