Nelson borrowed some money at the rate of 6 p.c.p.a. for the first three years, 9 p.c.p.a. for the next five years and 13 p.c.p.a. for theperiod beyond eight years. If the total interest paid by him at the end of eleven years is F 8,160, how much money did he borrow?

On ? 3,000 in Vested at a simple interest rate 6 p.c.p.a, ? 900 is obtained as interest in certain years. In order to earn ? 1,600 as interest on ? 4,000 in the same number,of years, what Should be the rate of simple interest?

The compound interest on a certain amount for 2 years at the rate of 8 p.c.p.a. is Rs.312. What will be the simple interest on the same amount and at the same rate and same time?

A person borrows rs.5000 for 2 years at 4% p.a. simple interest. He immediately lends it to another person at 6 1/4 % p.a. for 2 years. Find his gain in the transaction per year

What will be the ratio of simple interest earned by certain amount at the same rate of interest for 6 years and that for 9 years?

The simple interest in 14 months on a certain sum at the rate of 6 per cent per annum is F 250 more than the interest on the same sum at the rate of 8 per cent in 8 months. How much amount was borrowed?

Rs.7,50,000 are invested in Rs. 100 shares which are quoted at Rs.1200. Find the income if 25 % dividend is declared on the shares.

What amount a man would have received on a principal of RS.4,000 after two years on simple interest @ 5 p.c.p.a.?

The price of a T.V. set worth F 20,000 is to paid in 20 instalments of Z 1000 each. If the rate of interest be 6% per annum, and the first instalment be paid at the time of purchase, then the value of the last instalment covering the interest as well will be

Amrita took a loan of Rs. 50,600/- at a certain rate of simple interest for 5 years. At the end of 5 years she repayed an amount of Rs 65,780/-. What is the rate of interest at which Amrita took the loan?