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SSC Sample Paper SSC CGL - Sample Paper-5

  • question_answer
    The simple interest on a certain sum for 8 months at 4% per annum is Rs. 129 less than the simple interest on the same sum for 15 months at 5% per annum. The sum is

    A)  Rs. 2580

    B)  Rs. 2400

    C)  Rs. 2529

    D)  Rs. 3600

    Correct Answer: D

    Solution :

    Let the sum be Rs. x. \[\frac{x\times 5\times 15}{100\times 12}=\frac{x\times 4\times 8}{100\times 12}=129\] \[\Rightarrow \]   \[\frac{x}{100\times 12}(75-32)=129\] \[\Rightarrow \]   \[x=\frac{129\times 1200}{43}=Rs.\,3600\]


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