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Eduncle posted an MCQ
October 19, 2019 • 16:55 pm 0 points
  • CSIR NET
  • Life Sciences

Five persons A, B, C, D, and E are sitting in a row with C in the middle of the group. If D is at an extreme end and there are at least two persons

Five persons A, B, C, D, and E are sitting in a row with C in the middle of the group. If D is at an extreme end and there are at least two persons between B and E, then which of the following statements is incorrect ?

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    Eduncle Best Answer

    According to the question D must always be at extreme end.
    C is at the middle
    - - C - D or D - C - -
    So, E can be at the other extreme, since there has to be 2 people between B and E.
    E-CBD or DBC-E. So first 2 statements are true.
    Again, A cannot be at extreme left since A-C-D where B or D will be in the left spaces and hence will have only C between them. - TRUE
    Now, A can be a neighbour of B if the sit - BACED or DECAB. It can be a neighbor of E if they sit EACBD or DBCAE. But A can never be a neighbor of D.
    This is because if A and D sit together, DAC - - and - - CAD, B and E will be sitting together, which is not true as per the question. So last statement is false, A can only be a neighbor of B and E”

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