SSC Quantitative Aptitude Simple Interest Question Bank Simple and Compound Interest (II)

  • question_answer
    At which rate of simple interest, the amount Rs. 4200 will be Rs. 6216 in 8 yr?

    A) 5%

    B) 3%

    C) 6%

    D) 4%

    Correct Answer: C

    Solution :

    [c] \[\therefore \] t = 8 yr, P = Rs. 4200, A = Rs. 6216 \[\therefore \] \[A=P\left( 1+\frac{rt}{100} \right)\]\[\Rightarrow \]\[6216\]             \[=4200\left( 1+\frac{8r}{100} \right)\] \[\therefore \]      \[r=\frac{2016\times 100}{8\times 4200}=6%\]


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