Question
Simple interest earned at the end of 3 years on a sum of
Rs. 5,400 is Rs. 2,025. If Rs. 4,000 is invested at same rate of simple interest for the same time period, then interest earned would be:Solution
Let the rate of interest be 'r%' p.a. ATQ; 2025 = (5400 x 3 x r) ÷ 100 Or, r = 12.5 So, required interest = {(4000 x 3 x 12.5) ÷ 100} = Rs. 1,500
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