Question
Simple interest earned on an amount of Rs. 2700 at rate
of R% per annum after 4 years is Rs. 270. Find the simple interest earned on an amount of Rs. 1800 at rate of (R + 6)% per annum after 3 yearsSolution
According to question, 270 = 2700 × R% × 4 R = 2.5% Therefore, required interest = 1800 × (2.5 + 6)% × 3 = Rs. 459
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