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8th Class Mathematics Comparing Quantities Question Bank Comparing Quantities

  • question_answer
    Find the amount on Rs.12500 for 2 years compounded annually, the rate of interest being 15% for the first year and 16% for the second year.

    A)  Rs.16500

    B)                                                         Rs.16750          

    C)                         Rs.16675                            

    D)                         Rs.16275    

    Correct Answer: C

    Solution :

    \[A=P\left( 1+\frac{p}{100} \right)\left( 1+\frac{q}{100} \right)\] \[A=Rs.\,12500\times \left( 1+\frac{15}{100} \right)\times \left( 1+\frac{16}{100} \right)\] \[=Rs.\,12500.\times \frac{115}{100}\times \frac{116}{100}\] \[=Rs.\,16675\]


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