- AThree
- BOne
- CTwo
- DFour
Step-by-Step Solution
Floors 1 to 7: O, P, M, R, L, Q, N. P is on floor 2 and Q on floor 6; between them (floors 3,4,5) live M, R and L = three persons.
Answer: A) Three
Seven persons L, M, N, O, P, Q and R live on a seven-storey building. The ground floor is numbered 1, the floor above it 2, and so on up to the topmost floor numbered 7. Exactly two persons live on floors above L. Q lives on the floor immediately above L. N lives on the topmost floor. R lives on the floor immediately below L. O lives on the lowest floor. P lives on the floor immediately below M. How many persons live between P and Q?
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