New SIDBI Grade A New Batch Starts on Nov 18

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    Question

    Study the following information carefully and answer the questions given below: A certain number of persons are sitting around the circular table. All of them are facing towards the center. Three persons sit between Q and S who sits second to the left of N. R sits to the immediate left of P who sits second to the left of M. M sits third to the left of O who sits an immediate neighbour of S. Both R and Q sit adjacent to each other. The number of persons sits between P and S is one less than the number of persons sits between S and R when counted from the right of both P and S respectively. At least one person sits between N and R when counted from the right of N.

    How many seats are there around the table?

    A 10 Correct Answer Incorrect Answer
    B 14 Correct Answer Incorrect Answer
    C 12 Correct Answer Incorrect Answer
    D 18 Correct Answer Incorrect Answer
    E None of These Correct Answer Incorrect Answer

    Solution

    STEP I: M sits third to the left of O who sits an immediate neighbour of S. Three persons sit between Q and S who sits second to the left of N. As per these statements, we can say that there are three possible cases and the arrangement will look like this: STEP II: R sits to the immediate left of P who sits second to the left of M. Both R and Q sit adjacent to each other. The number of persons sits between P and S is one less than the number of persons sits between S and R when counted from the right of both P and S respectively. At least one person sits between N and R when counted from the right of N. As per these statements, CASE I and CASE III get eliminated and we continue with CASE II and the final arrangement will look like this:

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