Question

    A certain amount will become six times in 20 years. How

    long does it take for the same amount to become 5 times? Assume the same rate of simple interest in each case.
    A 16y Correct Answer Incorrect Answer
    B 18y Correct Answer Incorrect Answer
    C 12y Correct Answer Incorrect Answer
    D 14y Correct Answer Incorrect Answer

    Solution

    20years                -6times-1=5 X                            -5times -1=4 X×5=20×4 X=16year.

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