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SSC Sample Paper SSC CGL - Sample Paper-22

  • question_answer
    The value of \[\left( 1+\frac{1}{2} \right)\left( 1+\frac{1}{3} \right)\left( 1+\frac{1}{4} \right)...\left( 1+\frac{1}{120} \right)\] is

    A) 30                                

    B) 40.5

    C) 60.5     

    D) 121

    Correct Answer: C

    Solution :

    \[\left( 1+\frac{1}{2} \right)\left( 1+\frac{1}{3} \right).....\left( 1+\frac{1}{120} \right)\] \[=\frac{3}{2}\times \frac{4}{3}\times ....\times \frac{121}{120}\] \[=\frac{121}{2}=60.5\]                       


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