Six people P, Q, R, S, T and U live on the six floors of a building (floor 1 is the lowest and floor 6 the highest), one person per floor. Q lives on floor 5. R lives on the lowest floor. Exactly two people live between R and U. T lives immediately above R. S lives somewhere above Q. P lives immediately below U. How many people live between T and Q?

Question

Accepted Answer

Two. Arrangement (floor 1 → 6): R, T, P, U, Q, S. (U is two floors clear of R, so U = 4; then P = 3, T = 2, S = 6.) T is on floor 2 and Q on floor 5, so P and U (two people) live between them.

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