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8th Class Mathematics Comparing Quantities Question Bank Commercial Mathematics

  • question_answer
    The simple interest on a certain sum at the rate of 20% p.a. for a period of 8 years amounts to 10960. What is the original sum of money?

    A) Rs. 6500        

    B)                      Rs. 7800

    C) Rs. 6850        

    D)                      Rs. 8000

    Correct Answer: C

    Solution :

    Let the original sum be Rs. x. \[S.I=\frac{P\times R\times T}{100}\] \[x=\frac{100\times S.I}{R\times T}\] \[=\frac{100\times 10960}{20\times 8}\] = Rs. 6850


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