At 9% per annum simple interest, the interest on a sum for 4 years exceeds the interest for 2.5 years by Rs. 540. What is the sum?
Correct answer D. Rs. 4,000
Explanation
Difference corresponds to 1.5 years: P × 9 × 1.5 / 100 = 0.135P = 540, so P = Rs. 4,000.
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