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Option 5 : P, Q, R, S
Given expression: ? ≥ ? > ? = ?
Applying choices to the given expression in order to make the expression ‘P > S’ definitely true.
1) S ≥ P > Q = R → False (as S ≥ P and Q = R → S ≥ P)
2) S ≥ Q > P = R → False (as S ≥ Q and Q > P → S > P)
3) S ≥ R > P = Q → False (as S ≥ R and R > P → S > P)
4) Q ≥ R > P = S → False (as clearly P = S)
5) P ≥ Q > R = S → True (as P ≥ Q and Q > S → P > S)
Hence, for the expression P ≥ Q > R = S, ‘P >S’ is definitely true.
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