Question
Mr. X invested Rs. 1600 in two schemes, A and B in the
ratio of 7:3, respectively. Scheme A and B are offering simple interest at rate of 10% per annum and 20% per annum. Find the total interest obtained from both schemes after 2 years.Solution
Amount invested in scheme A = (7/10) × 1600 = Rs. 1120 Amount invested in scheme B = (3/10) × 1600 = Rs. 480 Interest earned from scheme A = 1120 × 10% × 2 = Rs. 224 Interest earned from scheme B = 480 × 20% × 2 = Rs. 192 Therefore, required total interest = 224 + 192 = Rs. 416
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