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SSC Sample Paper Mock Test-13 SSC CGL Tear-II Paper-1

  • question_answer
    At what rate per cent per annum of compound interest, will a sum of money become four times of itself in two years?

    A) 100      

    B)  75

    C)  50

    D)  20

    Correct Answer: A

    Solution :

    \[A=P{{\left( 1+\frac{R}{100} \right)}^{T}}\] \[\Rightarrow \]\[4={{\left( 1+\frac{R}{100} \right)}^{2}}\] \[\Rightarrow \]\[1+\frac{R}{100}=2\] \[\Rightarrow \]\[R=100%\]


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