A * B means 'A is the father of B'. A + B means 'A is the son of B'. A - B means 'A is the brother of B'. A & B means 'A is the sister of B'. If 'W * Q & R - S + T', then what is the relation of W to T?
Explanation:
W is father of Q. Q is sister of R. R is brother of S. S is son of T. Therefore, W is T's father, making W the grandfather of S and ancestor of T's child.
There are two married couples in a family of eight persons, P is the son of Q and brother of R. S is the daughter of M, who is married to R. T is aunt of S and mother of V. R's nephew W is the son of P and W's sister is V. How is V related to M?
Explanation:
R and M are a married couple. P and T are a married couple. V is the daughter of P and T. Since M is married to R (P's sibling), V is the niece of M.
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