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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-3

  • question_answer
    A man borrows Rs. 200 at 5% compound interest. At the end of each year he pays back Rs. 50. At the end of 4 yr, he owes

    A)  Rs. 27.59         

    B)  Rs. 28.10

    C)  Rs. 27.81         

    D)  Rs. 28.14

    Correct Answer: A

    Solution :

    Amount at the end of last year \[=200+\frac{200\times 5\times 1}{100}=Rs.\,\,210\]             Amount for IInd year \[=210-50=Rs.160\]             Amount at the end of IInd year                                     \[=160+\frac{160\times 5\times 1}{100}\]                                     = Rs. 168             Amount for IIIrd year \[=168\,-50=Rs.118\]             Amount at the end of IIIrd year                                     \[=118+\frac{118\times 5\times 1}{100}\]                                     = Rs. 123. 9             Amount for IVth year\[=123.9-50\,=Rs.73.9\]             Amount at the end of IVth year                                     \[=73.9+\frac{73.9\times 5\times 1}{100}\] = Rs. 77.59             Amount after IVth year \[=77.59-50=Rs.\,\,27.59\]


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