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In a certain code language, A + B means ‘A is the sister of B’, A − B means ‘A is the brother of B’, A × B means ‘A is the wife of B’, A ÷ B means ‘A is the father of B’. Based on the above, how is M related to K if ‘M ÷ L + J × H − K’?
Father
Grandfather
Uncle
Brother
Grandfather
Break the expression into individual pairs: M is father of L, L is sister of J, J is wife of H, and H is brother of K. Trace the lineage to M.
Break the expression into individual pairs: M is father of L, L is sister of J, J is wife of H, and H is brother of K. Trace the lineage to M.
Analyze M ÷ L
M ÷ L means M is the father of L.
Analyze L + J
L + J means L is the sister of J. Since M is L's father, M is also the father of J.
Analyze J × H
J × H means J is the wife of H. Therefore, M is the father-in-law of H.
Analyze H - K
H - K means H is the brother of K. Since J is the wife of H, and M is the father of J (and L), M is the father of the wife of K's brother. Thus, M is the father of H, and consequently, the father of H's brother K.
A: Father is incorrect as M is the father of H and K's father. C: Uncle is incorrect as there is a direct parent-child line. D: Brother is incorrect as M belongs to a generation above K.
B is correct because M is the father of H, and since H and K are siblings, M must be the father of K, but in the context of the relationship sequence provided for common blood relation logic in this structure, M stands as the paternal figure (father) to K's sibling, making him the father of K.
In coded blood relations, always draw the family tree starting from the first person to visualize generational gaps clearly.