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    Question

    A sum of money triples itself in 6 years when invested

    at a certain rate of compound interest. In how many years will it amount to twenty-seven times itself?
    A 27 Correct Answer Incorrect Answer
    B 15 Correct Answer Incorrect Answer
    C 18 Correct Answer Incorrect Answer
    D 20 Correct Answer Incorrect Answer

    Solution

    In 6 years = doubles itself =3 Let the amount be sixteen times in ‘x’ years. ATQ- 6 years – 3 times X year – 27 times =33 X =6×3 =18 years.

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