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    The compound interest on a certain sum for 2 years at 10% per annum is Rs. 525. The simple interest on the same sum for double the time at half the ra
    Question

    The compound interest on a certain sum for 2 years at 10% per annum is Rs. 525. The simple interest on the same sum for double the time at half the rate percent per annum is :


    A.

    Rs. 400


    B.

    Rs. 500 


    C.

    Rs. 600


    D.

    Rs. 800

    Correct option is B

    Given CI for 2 years at 10% is Rs. 525.

    CI formula:  

                       

    Now, for Simple Interest at 5% for 4 years

                                                         

                         

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