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  3. 9th Class
  4. Mental Ability
  5. Series Completion

9th Class Mental Ability Series Completion Question Bank Series Completion

  • question_answer
    Find the missing numbers. 2, 10, 30, 68,.....

    A)  130                         

    B)         140

    C)  142                       

    D)         138

    Correct Answer: A

    Solution :

     The pattern is \[{{1}^{3}}+1,{{2}^{3}}+2,{{3}^{3}}+3,{{4}^{3}}+4,.....\] \[\therefore \]Missing number \[={{5}^{3}}+5=130.\]


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