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SSC Sample Paper Mock Test-13 SSC CGL Tear-II Paper-1

  • question_answer
    If the simple interests on a certain sum of money at 5% per annum for 4 yr and 3 yr differ by Rs. 42, the sum (in Rs.) is

    A) 840

    B)  820    

    C)  800

    D)  760

    Correct Answer: A

    Solution :

    SI for 1 yr = Rs .42 \[\therefore \] \[\text{Principal}=\frac{\text{SI }\!\!\times\!\!\text{ 100}}{\text{Rate }\!\!\times\!\!\text{ Time}}\] \[=\frac{42\times 100}{5\times 1}\]= Rs. 840


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