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    Question

    A man invested certain sum at 8% p.a. simple interest

    for his son who was 16 years old. If the amount received by the son when he was 25 years old is Rs. 4704, then find the sum invested by the man.
    A Rs. 2400 Correct Answer Incorrect Answer
    B Rs. 2500 Correct Answer Incorrect Answer
    C Rs. 2800 Correct Answer Incorrect Answer
    D Rs. 2100 Correct Answer Incorrect Answer

    Solution

    Let the sum invested by the man be Rs. x Time for which the sum is invested = 25 – 16 = 9 years According to the question, {(x × 8 × 9)/100} + x = 4705 Or, 1.96x = 4704 Or, x = 2400 Therefore, the sum invested by the man = Rs. 2400

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