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IfA + B means A is the brother of B,A − B means A is the sister of B andA × B means A is the father of B,then how is P related to S in the…

3168Medium DSSSB TGT Computer Science 0 replies 1 views

A + B means A is the brother of B,

A − B means A is the sister of B and

A × B means A is the father of B,

then how is P related to S in the expression ‘P × Q − R + S’?

AP is the father of S
BP is the son of S
CP is the brother of S
DP is the uncle of S

Correct answer: A

Explanation

P × Q: P is the father of Q. Q − R: Q is the sister of R. R + S: R is the brother of S. So Q, R and S are siblings and P, the father of Q, is also the father of S.

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