1. If ‘A * B’ means ‘A is father of B’, ‘A × B’ means ‘A is mother of A’ and ‘A # B’ means ‘A is husband of B’ then which of the following means ‘P is grandson of Q’ ?
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By: anil on 05 May 2019 01.27 am
(A) : Q # R × S * P = Q is husband of R, who is mother of S. S is father of P. P can be either grandson or granddaughter of Q.
(B) : Q * N × P # R = Q is father of N, who is mother of P. P is husband of R, => P is grandson of Q. (C) : Q * L # N × P = Q is father of L, who is husband of N. N is mother of P. P can be either grandson or granddaughter of Q. (D) : P # N × M * Q = P is husband of N, who is mother of M. M is father of Q. P is grandfather of Q. => Ans - (B)
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(B) : Q * N × P # R = Q is father of N, who is mother of P. P is husband of R, => P is grandson of Q. (C) : Q * L # N × P = Q is father of L, who is husband of N. N is mother of P. P can be either grandson or granddaughter of Q. (D) : P # N × M * Q = P is husband of N, who is mother of M. M is father of Q. P is grandfather of Q. => Ans - (B)