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12th Class Mental Ability Series Question Bank Question - Ranking Missing Character

  • question_answer
    Direction: In each of the following questions, identify the wrong numbers in the series. 5, 13, 29, 61, 120, 253

    A) 120

    B) 253

    C) 61

    D) 29

    Correct Answer: A

    Solution :

    \[5\,\,+\,\,8\,\,=\,\,13\] \[13\,\,+\,\,16\,\,=\,\,29\] \[29\,\,+\,\,32\,\,=\,\,61\] \[61\,\,+\,\,64\,\,=\,\,\] \[125\,\,+\,\,128\,\,=\,\,253\] Therefore, the number 120 is wrong in the series.


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