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SSC Sample Paper Mock Test-12 SSC CGL Tear-II Paper-1

  • question_answer
    The difference between simple and compound interest (compounded annually) on a sum of money for 2 yr at 10% per annum is Rs. 65. The sum is

    A) Rs. 65650

    B)  Rs. 65065

    C)  Rs. 6565

    D)  Rs. 6500

    Correct Answer: D

    Solution :

    Let the sum be Rs. x. Then, \[CI=x{{\left( 1+\frac{10}{100} \right)}^{2}}-x=\frac{21x}{100}\] \[SI=\frac{x\times 100\times 2}{100}=\frac{x}{5}\] \[\therefore \]      \[CI-SI=\frac{21x}{100}-\frac{x}{5}=\frac{x}{100}\] \[\therefore \]      \[\frac{x}{100}=65\]\[\therefore \]\[x=6500\] Hence, the sum is Rs. 6500


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