‘P + Q’ means ‘P is the brother of Q’, ‘P - Q means P is the mother of Q and ‘P × Q’ means ‘P is the sister of Q’/Which of the following means that M is the material uncle of R?

(A) M - R + K 

(B) M + K - R 

(C) M + K × Q 

(D) None of these


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(B) M + K - R

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