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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-29

  • 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. 6500          

    B)  Rs.2320

    C)  Rs. 6000          

    D)  Rs. 8320

    Correct Answer: A

    Solution :

    \[\because \]x = Rs. 65, n = 2 yr and r = 10% \[\therefore \]\[P=x{{\left( \frac{100}{r} \right)}^{2}}=65{{\left( \frac{100}{10} \right)}^{2}}=65\times {{(10)}^{2}}\] = Rs. 6500


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