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In a certain code language, ‘A + B’ means ‘A is the son of B’, ‘A @ B’ means ‘A is the sister of B’, ‘A # B’ means ‘A is the wife of B’ and ‘A ÷ B’ means ‘A is the father of B’. How is Q related to H if ‘Q # W + R ÷ G @ H’?
Brother's daughter
Brother's wife
Daughter
Wife
Brother's wife
Break the expression into segments from left to right. Q#W means Q is W's wife; W+R means W is R's son; R/G means R is G's father; G@H means G is H's sister. This creates a family line where H is G's sibling and R is the father, making Q the wife of R (who is H's brother).
Break the expression into segments from left to right. Q#W means Q is W's wife; W+R means W is R's son; R/G means R is G's father; G@H means G is H's sister. This creates a family line where H is G's sibling and R is the father, making Q the wife of R (who is H's brother).
Analyze the expression Q # W + R ÷ G @ H
Q # W means Q is the wife of W. W + R means W is the son of R. R ÷ G means R is the father of G. G @ H means G is the sister of H.
Mapping the family tree
From the relations: R is the father of both W and G. Since G is the sister of H, H is also a child of R. Since W is the son of R, W and H are siblings. Q is the wife of W.
Determine relation of Q to H
Q is the wife of W, and W is the brother of H. Therefore, Q is the sister-in-law (brother's wife) of H.
A: Brother's daughter is incorrect as Q is from the same generation as W/H; C: Daughter is incorrect as Q is a spouse, not a descendant; D: Wife is incorrect as Q is the wife of W, not H.
B is correct because Q is the wife of W, and W is the brother of H, which makes Q the sister-in-law (brother's wife) of H.
When solving coded blood relations, always draw the gender signs (+ for male, - for female) immediately to avoid confusion regarding in-law relationships.
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