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If ‘A + B’ means ‘A is the brother of B’ ‘A – B’ means ‘A is the sister of B’ ‘A × B’ means ‘A is the wife of B’ ‘A ÷ B’ means ‘A is the father of B’ ‘A @ B’ means ‘A is the son of B’ If, K + M @ A ÷ F × P ÷ L – T, then how is K related to T?
Mother’s sister
Sister’s mother
Mother’s father
Mother’s brother
Mother’s brother
Break the expression into individual segments: K+M, M@A, A÷F, F×P, P÷L, L-T. Draw the family tree step-by-step from left to right to map the generational hierarchy.
Break the expression into individual segments: K+M, M@A, A÷F, F×P, P÷L, L-T. Draw the family tree step-by-step from left to right to map the generational hierarchy.
Analyze the expression segments
K+M: K is brother of M. M@A: M is son of A. A÷F: A is father of F. F×P: F is wife of P. P÷L: P is father of L. L-T: L is sister of T.
Establish the generational flow
K and M are children of A. A is father of F, and F is wife of P. Since A is the father, A and P's spouse (F) share the children K, M, and F. Thus, K is the brother of F.
Final Relation Mapping
Since K is the brother of F, and F is the mother of T (because F is wife of P and P is father of T), K is the maternal uncle (mother's brother) of T.
A: Mother's sister is incorrect because K is male (brother of M). B: Sister's mother is incorrect as K is of the same generation as F (the mother). C: Mother's father is incorrect because A is the grandfather of T, not K.
D is correct because K is the brother of F, and F is the mother of T, making K the maternal uncle of T.
In blood relation problems with long expressions, always mark the gender of the subject first to eliminate options involving the opposite gender immediately.
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