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    Question

    Study the following information carefully and answer the below questions. Twelve students are seated on the school ground opposite each other. In row1, A, J, K, L, M, and N are facing south. In row2- S, E, D, G, V and R are facing north. All the information is not necessarily in the same order. M sits opposite to the one who sits third to the left of G. Either M or G are sitting at the end of the row. Only one person sits between M and N. The number of persons sitting to the left of N is the same as to the right of R. Only two persons are sitting between R and the one who sits opposite to A. The number of persons who sits between A and N is the same as between V and S.V and R are not immediate neighbours. D sits to the right of E and does not face A.K sits to the left of L and to the right of J.

    If all the persons are arranged alphabetical order in

    Row 2, from the left end to the right end, then how many persons remain unchanged from their previous position?
    A None Correct Answer Incorrect Answer
    B Two Correct Answer Incorrect Answer
    C One Correct Answer Incorrect Answer
    D Three Correct Answer Incorrect Answer
    E Four Correct Answer Incorrect Answer

    Solution

    M sits opposite to the one who sits third to the left of G.  Either M or G is sitting at the end of the row. From the above condition, there are two possibilities.  Only one person sits between M and N. The number of persons sitting to the left of N is the same as to the right of R. From the above condition, there are three possibilities. Only two persons are sitting between R and the one who sits opposite to A. The number of persons who sits between A and N is the same as between V and S. V and R are not immediate neighbors.  D sits to the right of E and does not face A. From the above condition, case1 and case2a get eliminated. Case-2  K sits to the left of L and to the right of J. From the above condition, case2 shows the final arrangement.

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