10th Class Mental Ability Series Completion Question Bank Series Completion

  • question_answer
    Find the missing numbers. 3, 12, 27, 48, 75, ......

    A)  106                       

    B)         109

    C)  112                       

    D)         108  

    Correct Answer: D

    Solution :

     The pattern is \[3\times {{1}^{3}},3\times {{2}^{2}},3\times {{3}^{2}},3\times {{4}^{2}},3\times {{5}^{2}},\] \[\therefore \]Missing number \[=3\times 62=108.\]


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