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NTSE Sample Paper NTSE SAT Practice Test-20

  • question_answer
    The compound interest on a certain sum of money for 2 years at 10 % p.a is Rs 525. The simple interest on the same for double the time at half the rate percent p.a. is

    A) Rs400                           

    B) Rs 500

    C) Rs600                           

    D) Rs800

    Correct Answer: B

    Solution :

    [b] \[\left\{ {{\left( 1+\frac{10}{100} \right)}^{2}}-1 \right\}=525\Rightarrow P=Rs\,\,2500\] \[\therefore \,\,SI=\frac{2500\times 5\times 4}{100}=Rs.500.\]


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