Seven tenants T, U, V, W, X, Y and Z occupy a seven-storey block in Sector 12, one per floor, with floor 1 at the bottom and floor 7 at the top. U is on the top floor and W is on the bottom floor. X lives just below U. Y lives just above W. Exactly two tenants live between W and Z. V lives just below X. How many tenants live between Y and X?

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Accepted Answer

Three. W is on 1 and Y on 2. U is on 7, X on 6 and V on 5. Exactly two tenants between W (floor 1) and Z puts Z on 4, leaving T on 3. Between Y (2) and X (6) are floors 3, 4 and 5: three tenants.

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