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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-12

  • question_answer
    Find the wrong number in the given series: 7, 15, 32, 65,138

    A)  65        

    B)  138

    C)  7                                

    D)  15

    Correct Answer: A

    Solution :

     \[7\times 2+1=15\] \[\Rightarrow \,\,15\times 2+2=32\Rightarrow 32\times 2+3=67\ne \] \[67\times 2+4=138\]                        


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