9th Class Mental Ability Series Completion Question Bank Series Completion

  • question_answer
    Find the missing numbers. 2, 6, 30, 60, 130,......

    A)  210                         

    B)         216

    C)  200                       

    D)         160

    Correct Answer: A

    Solution :

     The pattern is \[{{1}^{3}}+1,{{2}^{3}}-2,{{3}^{3}}+3,{{4}^{3}}-4,{{5}^{3}}+5,.....\] \[\therefore \]Missing number \[=216-6=210.\]


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