Read the following information carefully and answer the questions, which follow :
`A – B’ means ‘A is father of B’.
`A ÷ B’ means ‘A is daughter of B’.
`A + B’ means ‘A is son of B’.
`A × B’ means ‘A is wife of B’.
Which of the following means P is grandson of S?
(A) : P + Q - S = P is son of Q, who is father of S. Thus, P is brother of S.
(B) : P + Q × S = P is son of Q, who is wife of S. Thus, P is son of S.
(C) : P + Q + S = P is son of Q, who is son of S. Thus, P is grandson of S
(D) : P × Q + S = P is wife of Q, who is son of S. Thus, P is daughter-in-law of S.
=> Ans - (C)
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