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Instructions
Following questions are based on the information given
below:
(i) ‘P × Q’ means ‘P is mother of Q’.
(ii) ‘P ÷ Q’ means ‘P is sister of Q.
(iii) ‘ P+ Q’ means ‘P is brother of Q.
(iv) `P – Q’ means p is father of Q,.
Solution
(A) : R x K = R is the mother of K. Since, gender of K is unknown, this means K can either be son or daughter of R.
(B) : R - K = R is the father of K. Since, gender of K is unknown, this means K can either be son or daughter of R.
(C) : K + T x R = K is the brother of T and T is the mother of R, => K is the uncle of R.
(D) : R-J÷K+M = R is the father of J, who is the sister of K, who is the brother of M, => K is male and a child of R.
=> K is the son of R
Ans - (D)
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