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Railways R.R.C. (Jabalpur) Solved Paper Held on 2nd Shift 9-11-2014

  • question_answer
    If the rate of interest be 4% per annum for first year, 5% per annum for second year and 6% per annum for 3rd year, then the compound interest of RS.10,000 for 3 years will be?

    A) RS. 1, 575-20    

    B) RS.1, 600

    C) RS. 2, 000                    

    D) RS.1, 625-80

    Correct Answer: A

    Solution :

    Compound Interest \[=10000\left[ \left\{ 1+\frac{4}{100} \right\}\left\{ 1+\frac{5}{100} \right\}\left\{ 1+\frac{6}{100} \right\}-1 \right]\] \[=10000\left[ \frac{104}{100}\times \frac{105}{100}\times \frac{106}{100}-1 \right]\] \[=10000\left[ \frac{157520}{1000000} \right]\] \[=Rs.\,\,1575.20\]


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