- AO
- BP
- CL
- DN
Step-by-Step Solution
Floors bottom to top: 1-M, 2-O, 3-Q, 4-R, 5-L, 6-P, 7-N. The topmost floor (7) is N.
Answer: D) N
Seven persons — L, M, N, O, P, Q and R — live on a seven-storey building; the ground floor is numbered 1 and the topmost floor is numbered 7. M lives on the lowest floor. N lives on the topmost floor. Exactly two persons live above L. O lives immediately above M. Q lives immediately below R. Exactly one person lives between R and P. Who lives on the topmost floor?
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