SSC Sample Paper SSC (Group-C) Sample Test Paper-3

  • question_answer
    A sum of Rs.6.000 becomes Rs.8000 at simple interest in four years. In what time will a sum of Rs. 525 will become Rs. 700 at the same rate of interest?

    A)  3 years

    B)  4 years

    C)  5 years

    D)  none of these  

    Correct Answer: B

    Solution :

     First Case Interest \[=8000-6000=Rs,\text{ }2000\] Rate \[=\frac{Interest\times 100}{Principal\times Time}\] \[=\frac{2000\times 100}{6000\times 4}=\frac{25}{3}%\] Per annum Second Case Interest \[=700-525=Rs.\text{ }175\] Time   \[=\frac{Interest\times 100}{\text{ }Principal\times Rate}\] \[=\frac{175\times 100}{525\times \frac{25}{3}}=\frac{175\times 100\times 3}{525\times 25}=4\]years


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