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    Question

    A sum of money doubles itself at compound interest in 15

    years. In how many years will it, become eight times?
    A 15 years Correct Answer Incorrect Answer
    B 30 years Correct Answer Incorrect Answer
    C 40 years Correct Answer Incorrect Answer
    D 45 years Correct Answer Incorrect Answer

    Solution

    ATQ-15years =2times┬аx┬а ┬а =8times=23times┬а x=15├Ч3=45years.

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