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  3. 10th Class
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  5. Series Completion

10th Class Mental Ability Series Completion Question Bank Series Completion

  • question_answer
    Find the missing numbers. 31, 35, 43, 59, 91, ......

    A)  135                       

    B)         145

    C)  155                         

    D)         165

    Correct Answer: C

    Solution :

     The pattern is \[+4,+8,+16,+32,\text{ }....\]i.e.   \[+22,+23,+24,+25,.....\] \[\therefore \]Missing number \[=91+26=91+64=155.\]


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