The simple interest received after 5 years on Rs. (x + 500) at the rate of 20% p.a. is Rs. (2x – 1500). The amount received on Rs. 3x when invested at 40% p.a. compound interest, compounded annually for 2 years can be:
According to the question, {(x + 500) × 5 × 20}/100 = (2x – 1500) Or, x + 500 = 2x – 1500 Or, x = 2000 Therefore, required amount received = 3x × (1 + 40/100)2= Rs. 11760
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