10th Class Mathematics Related to Competitive Exam Question Bank Commercial Mathematics

  • question_answer
    A sum of money at compound interest is doubled in 20 years. Then the number of years required to treble itself are

    A)  32 years           

    B)         35 years

    C)  40 years         

    D)         45 years

    Correct Answer: A

    Solution :

    Not available


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