Question
Simple interest earned on an amount of Rs. 2500 at rate
of R% per annum after 4 years is Rs. 150. Find the simple interest earned on an amount of Rs. 1200 at rate of (R + 6)% per annum after 3 yearsSolution
According to question, 150 = 2500 × R% × 4 R = 1.5% Therefore, required interest = 1200 × (1.5 + 6)% × 3 = Rs. 270
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