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SSC Sample Paper SSC-CGL TIER - I Sample Test Paper-2

  • question_answer
    A sum doubles itself in 16 years, at simple interest, then in how many years would it triple itself?

    A)  32 years          

    B)  24 years

    C)  48 years          

    D)  64 years

    Correct Answer: A

    Solution :

     Suppose principal = Rs x Amount = 2x \[\Rightarrow \] \[SI\text{ }\left( 2x-x \right)=Rs\,x\] \[R=\frac{x\times 100}{x\times 16}=\frac{24}{4}%\] Now, \[SI=\left( 3xx \right)=Rs\text{ }2x\] \[T=\frac{2x\times 100}{x\times \frac{25}{4}}=\frac{2\times 100\times 4}{25}\Rightarrow \]


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