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Discussion :: Simple Interest

  1. Peter invested an amount of Rs. 12,000 at the rate of 10% p.a simple interest and another amount at the rate of 20% p.a. simple interest. The total interest earned at the end of one year on the total amount invested became 14% p.a. Find the total amount invested?
    2. A.
    Rs. 20,000
    B.
    Rs. 22,000
    C.
    Rs. 24,000
    D.
    Rs. 25,000

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    Answer : Option A

    Explanation :

    Let the second amount be Rs. x. Then,

    (12000 * 10 * 1)/100 + (x * 20 * 1)/100 = [(12000 + x) * 14 * 1] / 100

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