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SSC Sample Paper SSC CGL - Sample Paper-10

  • question_answer
    Direction: A series is given with one/two term missing. Choose the correct alternative from the given ones that will complete the series.
    Find the wrong number in the series. 1, 3, 10, 21, 64, 129, 356, 777

    A)  21                               

    B)  129

    C)  10                               

    D)  356

    Correct Answer: D

    Solution :

    The correct pattern is \[\times 2+1,\] \[\times 3+1,\] \[\times 2+1,\] \[\times 3+1,....\] So, 356 is wrong and must be replaced by \[(129\times 3+1)\] i.e., 388.


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