SSC Sample Paper SSC CGL - Sample Paper-27

  • question_answer
    The compound interest on Rs. 10000 in 2 yr at 4% per annum, the interest being compounded half-yearly, is

    A) Rs. 636.80                    

    B) Rs. 824.32

    C) Rs. 912.86                    

    D) Rs. 828.82

    Correct Answer: B

    Solution :

    Given that \[P=Rs.\,10000,\] \[n=2\,yr,\] \[r=4%\] For half yearly n = 4 half years             \[r=2%\] \[CI=P\left[ {{\left( 1+\frac{r}{100} \right)}^{n}}-1 \right]\] \[=1000\left[ {{\left( 1+\frac{2}{100} \right)}^{4}}-1 \right]\] \[=1000\left[ \frac{6765201}{6250000}-1 \right]\] \[=1000\left[ \frac{515201}{6250000} \right]=Rs.\,824.32\]


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