An investor receives a total of Rs.5,700 per annum in interest from 3 stocks yielding 4%, 5% and 8% per annum respectively. The amount at 4% is Rs.20,000 more than the amount invested at 5%, and the interest from the 8% investment is 8 times the interest from the 5% investment. Amount of money invested in each stock is:

Answer 1

Let the amounts invested at the three rates be x,y,z. Now just write down the facts as given:

.04x + .05y + .08z = 5700
x = y + 20000
.08z = 8 * .05y

Now just solve for x,y,z.

Answer 2

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