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Multiple Choice Questions

Who lives three floors above R ........

Logical Reasoning(RRB CL) Puzzle Test

Direction: Study the following information to answer the given questions:

Seven persons M, N, O, P, Q, R and S live on different floors of a 7-storey building. The lowermost floor is numbered as 1, floor above it as 2 and so on. N lives two floors above R’s floor. M does not live on prime numbered floor. Three persons live between R and P’s floor. O lives just above S’s floor. P lives on prime numbered floor. Q lives above M’s floor.

Who lives three floors above R?

This questions was previously asked in

RRB Clerk Prelims (07 Aug, 2022 Shift 1)

View All RRBB Previous Year Papers

Explanation:

- R lives on a certain floor, let's assume floor X.

- N lives two floors above R, so N is on floor X+2.

- Three persons live between R and P’s floor, so P is on floor X+3.

- P lives on a prime numbered floor. Possible prime floors are 2, 3, 5, and 7. Hence, P can be on the 7th floor.

- If P is on the 7th floor (prime), then R would be on the 4th floor (7-3 = 4).

- N would then be on the 6th floor (4+2 = 6), and three floors above R (4) is Q on the 7th floor, who isn't possible since our assumption doesn't align with Q being on another floor. Hence a mistake.

- If reconsidered correctly, Q is the only one not assigned yet and can be on the 3rd floor.

- M is on a non-prime floor below Q, so M could be on floor 2. M doesn't fit below Q but fits the condition on floors 2-5 eventually.

- Q lives immediately above M's level, so potentially on floor 4.

Thus, Q lives three floors above R.

Correct Answer: Q

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