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    Question

    Study the following information carefully and answer the question given below: There are seven people A, Z, B, Y, M, N, P are living in a 7 floor Building on different floors from top to bottom (such as ground floor is numbered as 1 and top floor is numbered as 7) but not necessarily in the same order. P lives on one of the odd numbered floor above Y but not on top floor. N lives immediately before B, who lives in bottom most floor. A lives on an odd numbered floor but not on the floor numbered 3. Z lives on immediately below A. Only one person lives between Z and M and they lives on even numbered floor. P lives above M.

    What is the difference between the floor number of A and B?

    A One Correct Answer Incorrect Answer
    B Three Correct Answer Incorrect Answer
    C Six Correct Answer Incorrect Answer
    D Two Correct Answer Incorrect Answer

    Solution

    1. P lives on one of the odd numbered floor above Y but not on top floor. 2. Only three persons lives between B and P. 3. N lives immediately before B. There is no floor empty for N in CASE1 so CASE1 is cancelled out. 4. A lives on an odd numbered floor but not on the floor numbered 3. 5. Z lives on immediately below A. 6. Only one person lives between Z and M and they lives on even numbered floor.

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