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    Question

    A sum of money lent at 5% rate of simple interest. The

    difference between interest for 6 years and 4 years is Rs. 2000. Find the principal amount.
    A Rs 24000 Correct Answer Incorrect Answer
    B Rs 28000 Correct Answer Incorrect Answer
    C Rs 26000 Correct Answer Incorrect Answer
    D Rs 20000 Correct Answer Incorrect Answer

    Solution

    Let the principal be P
    According to question,
    (P*5*6)/100 - (P*5*4)/100 = Rs. 2000
    30P/100 - 20P/100 = 2000
    10P/100 = 2000
    P = Rs.20,000

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