A sum amounts to Rs. 6,600 in 2 years at simple interest. Had the rate been 2% per annum higher, it would have amounted to Rs. 6,840. What is the sum?
Correct answer D. Rs. 6,000
Explanation
Extra interest = 6840 − 6600 = 240 = P × 2 × 2 / 100, so P = 240 × 100 / 4 = Rs. 6,000.
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