P, Q, R, S and T reside in a five-storeyed (Ground floor + 4) building and each of them resides on a separate floor, further:

1. T does not reside on the topmost floor

2. Q does not reside on the ground floor

3. S resides on one storey above that of P and one storey below that of R.

To know as the which one of the five persons resides on the ground floor, which of the above statements are sufficient/insufficient?

International Relations Un

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