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SSC Sample Paper Mock Test-3 SSC CGL Tear-II Paper-1

  • question_answer
    In what time will the simple interest be \[\frac{2}{5}\]of the principal at 8% per annum?            

    A)  8 yr                             

    B)  7 yr        

    C)  5 yr     

    D)  6 yr    

    Correct Answer: C

    Solution :

    Let the principal = Rs. \[x\] \[\therefore \]Interest = Rs. \[\frac{2}{5}x\] Rate = 8% per annum \[\therefore \]Time \[=\frac{\text{Interest }\!\!\times\!\!\text{ 100}}{\text{Principal }\!\!\times\!\!\text{ Rate}}=\frac{\frac{2}{5}x\times 100}{x\times 8}=\frac{40}{8}=5\,\,yr\]                        


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