Question
Pawan distributed his investment
as follows: 25% of the total at an annual interest rate of 6%, 1/5th of the total at 8% per year, and the remaining portion at 10% per year. The total interest he earned after one year was Rs. 860. Determine the total amount of Pawan's investment.Solution
ATQ, Let the total investment = Rs.20p ATQ, (5p × 6 × 1)/100 + (4p × 8 × 1)/100 + (11p × 10 × 1)/100 = 860 172p = 860 × 100 p = 500 Total investment = 20p = 20 × 500 = Rs.10000
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