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    Question

    Simple interest earned on an amount of Rs. 1000 at rate

    of R% per annum after 4 years is Rs. 280. Find the simple interest earned on an amount of Rs. 1500 at rate of (R + 4)% per annum after 3 years
    A Rs. 485 Correct Answer Incorrect Answer
    B Rs. 475 Correct Answer Incorrect Answer
    C Rs. 415 Correct Answer Incorrect Answer
    D Rs. 495 Correct Answer Incorrect Answer

    Solution

    According to question, 280 = 1000 × R% × 4 R = 7 Therefore, required interest = 1500 × (7 + 4)% × 3 = Rs. 495

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