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    Question

    Study the information and answer the given questions: 

    Eight persons live on different floors in the same building. The building has eight floors ground floor is numbered 1 and the top most floor is numbered 8. (i) P does not live on an odd numbered floor. There is only one person who live between the floor on which S and T live. S lives on an even numbered floor below the floor on which P lives. (ii) O lives on floor above P but below M. There are only three persons lives between R and Q who lives on odd numbered floor above the floor on which G lives. (iii) P lives above the floor numbered 5. N lives one of the floors above on which T lives. How many persons live between R and O?
    A Two Correct Answer Incorrect Answer
    B Four Correct Answer Incorrect Answer
    C Three Correct Answer Incorrect Answer
    D More than four Correct Answer Incorrect Answer

    Solution

    From (i), (ii) and (iii), As we know that P lives above the floor no. 5 and also does not live on an odd numbered floor. P cannot live on floor no. 8 as O lives above P. So, P lives on floor no. 6. Now there will be two cases: S can live either at place no. 4 or 2. T can live either at place no. 2 or 4. From (ii), M and O will live on floor no. 8 and 7 respectively. Q and R will live on floor no. 5 and 1 respectively. Case 2 will get discarded as N lives one of the floors above on which T lives. Final arrangement as shown below:

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