Multiple Choice Questions on A certain sum is invested at simple interest at 18 p a for two years instead of investing at 12 p a ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A certain sum is invested at simple interest at 18 p a for two years instead of investing at 12 p a ...........

Quant (SSC) Simple Interest
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    A certain sum is invested at simple interest at 18% p.a. for two years instead of investing at 12% p.a. for the same time period. Therefore the interest received is more by Rs. 840. Find the sum  ?

    Rs. 5858

    Incorrect Answer

    Rs. 8800

    Incorrect Answer

    Rs. 7000

    Correct Answer

    Rs. 6350

    Incorrect Answer
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    Explanation:

    Let the sum be Rs. S.
    (S x 18 x 2)/100 - (S x 12 x 2)/100 = 840 => 36S/100 - 24S/100 = 840
    => 12S/100 = 840 => S = 7000.

    By: MIRZA SADDAM HUSSAIN
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