Question
Rs. R is invested in a scheme offering 200/4% p.a. for 2
years. The total amount received is Rs. 36,300. If Rs. (R + 2,700) is invested in another scheme offering 18% p.a. for 2 years under simple interest, find the total interest earned.Solution
R × (200/400) × 2 = 36300 – R Or, (R/2) + R = 36300 Or, (3R/2) = 36300 Or, R = 36300 × (2/3) So, R = 24,200 Required interest = (R + 2700) × (18/100) × 2 = (24200 + 2700) × (18/100) × 2 = 26,900 × (9/25) = Rs. 9,684 Correct Option: e) Rs. 9,684
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