Simple interest earned on an amount of Rs. 1000 at rate of R% per annum after 4 years is Rs. 200. Find the simple interest earned on an amount of Rs. 1600 at rate of (R + 6)% per annum after 3 years
According to question, 200 = 1000 × R% × 4 R = 5 Therefore, required interest = 1600 × (5 + 6)% × 3 = Rs. 528
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