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Railways R.R.C. (Hazipur) Solved Paper Held on 1-12-2013

  • question_answer
    In the number series given below, one term is wrong. Find out the wrong term? 3, 4, 10, 32, 136, 685, 4116

    A) 10                    

    B)   32

    C) 136                              

    D) 4116            

    Correct Answer: B

    Solution :

    \[3\times ~1+1=4\]             \[4\times ~2+2=\text{ }10\] \[10~\times 3+3=\left[ 33 \right]\] \[33\times ~4+4=136\] \[136\times ~5+5=685\]             \[685\times ~6+6=4116\] Hence, wrong term is 32.


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