An amount of Rs.5000 is put into three investments at the rate of 6%,7% and 8% per annum repectively.The total amount income is Rs.350.If the combined income from the first two investments is Rs.70 more than the income from the third.Find the amount of each investment.

An amount of Rs.5000 is invested in three types of investments, at interest rates 6% , 7%, 8% per annum respectively. The total annual income from these investment is 350/- If the total annual income from first two investment is Rs. 70 more than the income from the third,find the amount of each investment using matrix method.

₹1000 is invested at 10 % simple interest. Check at the end of every year if the total interest amount is in A.P. If this is an A.P then find interest amount after 20 years.

Amit bought 24 shares of FV Rs 100 by investing Rs 3000. 8% dividend was declared on shares . Find the rate of return on the investment.