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

  • question_answer
    In what time, at 10% simple interest will a sum of money treble itself?

    A) 10 years           

    B) 15 years

    C) 20 years           

    D) 25 years

    Correct Answer: C

    Solution :

    Required time \[=\frac{(3-1)\times 100}{10}\] \[=\frac{2\times 100}{10}=20\,\,years\]


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