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In a certain code language, A + B means тАШA is the sister of BтАЩ A тАУ B means тАШA is the brother of BтАЩ A x B means тАШA is the wife of BтАЩ A ├╖ B means тАШA is the father of BтАЩ Based on the above, how is M related to R if тАШM тАУ K + L ├╖ P x RтАЩ?
Wife's father's brother
Wife's father
Wife's brother
Wife's father's father
Wife's father's brother
Break down the expression into individual pair relations and trace the lineage downwards from the subject to the target.
Break down the expression into individual pair relations and trace the lineage downwards from the subject to the target.
Analyze M - K
M - K means M is the brother of K. Thus, M is male and M and K are siblings.
Analyze K + L
K + L means K is the sister of L. Combining with step 1, M, K, and L are siblings.
Analyze L ├╖ P
L ├╖ P means L is the father of P. Since K is L's sister, L is the uncle of P's siblings.
Analyze P x R
P x R means P is the wife of R. Therefore, L is the father of R's wife. M, being the brother of L (P's father), is the brother of P's father, which makes M the 'Wife's father's brother'.
B: Incorrect, because M is the brother of L, not L himself; C: Incorrect, as M is a generation above P's wife; D: Incorrect, as M is the brother of the father, not the grandfather.
A is correct because M is the brother of L, and since L is the father of P (who is R's wife), M is the brother of R's wife's father.
In blood relation expressions, always identify the gender of the person in question first; often, the gender alone eliminates two or three options instantly.
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