An amount of Rs 10,000 is put into three investments at the rate of 10, 12 and 15% per annum. The combined income is Rs 1310 and the combined income of first and second investment is Rs 190 short of the income from the third. Find the investment in each using matrix method.

An amount of Rs 5000 is put into three investments at the rate of interest of 6%,7% and 8% per annum respectively. The total annual 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 by matrix method.

An amount of Rs 5000 is put into three investments at the rate of interest of 6%,7% and 8% per annum respectively. The total annual income is Rs 358. If the combined income from the first taoinvestments is Rs 70 more than the income from the third, find the amount of each investment by matrirx method

How long will it take for Rs 1860 invested at the rate of 9.5 % per annum simple interest to amount to Rs 2449 ?

A person deposits Rs. 25000 in a firm who pays an interest at the rate of 20% per annum. Calculate the income he gets from it annually.

A sum of Rs 10,000 is borrowed at a rate of interest 15% per annum for 2 years. Find the simple interest on this sum and the amount to be paid at the end of 2 years.

A sum of Rs54,000 is invested partly in shares paying 6% dividend at 40% premium and partly in 5% shares at 25% premium. If the nominal value of one share in each company is Rs100 and the total income of the man is Rs 2,240, find the money invested in the second company.

the income of a person is Rs. 300,000 in the first year and he receivers in increase of Rs. 10000 to his income per year for the next 19 years. Find the total amount, he received in 20 years.

A man invests Rs. 9,600 at 10% per annum compound interest for 3 years. Calculate : the amount at the end of the first year.

The income of a person is Rs. 3, 00,000, m the first year and he receives an increase of Rs. 10.000 to his income per year for the next 19 years. Find the total amount, he received m 20 years.

Rakhee invested 12500rs in shares of a company paying 6% dividend per annum. If she bought 50rs shares for 62.50rs each, find her income from the investment.