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O lives three floors above V, who lives southeast of W, who lives on an even numbered floor. Both O and V don’t live in the same numbered flat. R and U live on the same numbered floor, but not immediately above or immediately below the floor on which W lives. Only one floor between U and P, who lives northeast of Q. T lives above S, but not lives above X. R lives on an odd numbered flat. Both X and S live in the same numbered flat. So the final arrangement becomes:
Measure of each interior angle of a regular polygon can never be?
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