exam on simple interest and compound interest test 2

1. The simple interest received at 6% per annum after 22 years is ` 2560 more than the principal amount after the completion of the time how much money would be repaid?

2. A person deposits a certain amount in the bank in the beggining of the year at 11% per annum rate of simple interest. If after three years he received `30012, Find how much amount does he deposit each year?

3. a, b, c and d are such that a is the interest of b, b is the interest of c and c is the interest of d. If in all three conditions the rate of interest and time be the same which term will show the ratio of a to d ?

4.Due to the decrease in the interest rate from 11.5% to 10% the income of a man decreases by 55.50. Find the amount.

5. A lent out ` 2500 to B and some money to C at 7% per annum rate of simple interest. If after 4 years A received a total of ` 1120 from B and C, Find the amount lent out to C.

6. Rajesh lent out a certain sum at 9% per annum rate of simple interest and the same sum lent out at 10% per annum rate of simple interest for 2 years. In all he got ` 760 as interest sum. Find each sum.

7. ` 10,000 is lent out in two parts one at 8% and other at 10%. If the average annual interest rate is 9.2% then find the two parts

8. ` 500 is invested at 12% per annum rate of simple interest and an another amount at 10% per annum rate of simple interest. If after 4 years the interest received on both the amounts is ` 480. Find the other amount.

9. Bhuvnesh borrowed a certain amount from Rajesh at 12% per annum for the first three years at 16% per annum for next 5 years and at 20% per annum for the period beyond 8 years. If after 11 years the interest became ` 6080 more than the principal amount. Find the amount taken by Bhuvnesh

10. If ` 12000 is divided into two parts such that simple interest on first part at 12% per annum for 3 years is equal to the simple interest on second part at 16% per annum for 4 1/2 years. Find the greater part.

11. A certain amount becomes 3 times in 4 years on simple interest In what time it will become 7 times ?

12. A certain amount becomes ` 2800 in 3 years and `3000 in 5 years. Find the amount and rate of simple interest.

13. A man lent out ` 8400 in two parts first at 11% per annum and second at 15% per annum. If the simple interest received after two years is ` 2232. Find each part.

14. A certain amount is lent out for three years at simple interest. If the rate of interest is 4% less there will be a loss of ` 720. Find the amount.

15. ` 18600 was divided among three parts and each part was lent out at 10% per annum rate of simple interest for 2 years, 4 years and 5 years respectively. If the total amount (interest + principal) is same in all the three conditions, Find each part.

16. A man deposits a certain amount in a bank in the begining of each year for three years. If after completion of three years, the amount deposited in his account is ` 23808 and the rate of simple interest is 12%, find how much money does he deposit each year?

17. ` 1500 was divided into two parts first was lent out at 6% for 4 years while second was lent out at 5% per annum for 3 years. If the simple interest received in two conditions are in the ratio 16 : 15, Find the amount of first part.

18. An article is bought for ` 6000 at down payment and rest of the amount was paid back after 2 1/2 years with 6% per annum rate of simple interest by paying `12650. Find the cost of the article.

19. When the rate of simple interest decreases from 5% to 4% and the investment is increased by `4000 in this way the earnings in two conditions remains same. Find the initial amount of investment.

20. Rajesh invested 40% of his total amount at 15% per annum, 50% of the rest amount at 10% per annum and the remaining amount at 18% If the interest is calculated on the whole amount what will be effective single annual rate of interest?