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7th Class Mathematics Comparing Quantities Question Bank Self Test-10

  • question_answer
    A sum of money becomes four times of itself at compound interest in 15 years. In how many years will it become sixteen times?

    A)  20 years

    B)  30 years

    C)  35 years

    D)  45 years

    E)  None of these

    Correct Answer: B

    Solution :

       


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