9th Class Mental Ability Series Completion Question Bank Series Completion

  • question_answer
    Direction: In each of the following questions, there is a series. One term of the series is wrong. Find out the wrong term from four alternatives given below the series.
    7,10,15,21,31,42,55

    A) 10                             

    B) 21                             

    C) 31                             

    D) 42

    Correct Answer: B

    Solution :

    : +3, +5, +7, +9, +1 L +13


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