1. COMPOUND INTEREST AND SIMPLE INTEREST TUTORIAL

2. Q. 1 There is 80% increase in an amount in 8 years at simple interest
Q.1 There is 80% increase in an amount in 8 years at simple interest. What will be the compound interest of Rs. 14,000 after 3 years at the same rate?
4634
4865
4896
4456

3. Q.2 If the simple interest on a sum of money for 2 years at 5% per annum is Rs. 60, what is the compound interest on the same at the same rate and for the same time?
62.5
61.5 62 61

4. Q. 3 The difference between simple interest and compound on Rs
Q.3 The difference between simple interest and compound on Rs. 900 for one year at 10% per annum reckoned half-yearly is:
2.45
2.55
2.35
2.25

5. Q. 4 At what rate of compound interest per annum will a sum of Rs
Q.4 At what rate of compound interest per annum will a sum of Rs become Rs in 2 years? 6% 7% 5% 4%

6. Q.5 Simple interest on a certain sum of money for 4 years at 5% per annum is half the compound interest on Rs for 2 years at 10% per annum. The sum placed on simple interest is:
1575
2200
1650
NONE OF THESE

7. Q.6 The compound interest on a certain sum for 2 years at 10% per annum is Rs The simple interest on the same sum for double the time at half the rate percent per annum is:
400
500
600
700

8. Q. 7 A sum of money at simple interest amounts to Rs
Q.7  A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years. The sum is:
675
698
655
689 

9. Q. 8) A sum fetched a total simple interest of Rs. 4016
Q.8) A sum fetched a total simple interest of Rs at the rate of 9 p.c.p.a. in 5 years. What is the sum?
8925
8952
8965
8565

10. Q. 9 A sum of Rs. 12,500 amounts to Rs
Q.9 A sum of Rs. 12,500 amounts to Rs. 15,500 in 4 years at the rate of simple interest. What is the rate of interest? 3% 4% 5% 6%

11. Q. 10 A lent Rs. 5000 to B for 2 years and Rs
Q.10  A lent Rs to B for 2 years and Rs to C for 4 years on simple interest at the same rate of interest and received Rs in all from both of them as interest. The rate of interest per annum is:
15%
10% 8% 9%

12. Q.11 A sum of money amounts to Rs after 5 years and Rs after 8 years at the same rate of simple interest. The rate of interest per annum is: 5% 8%
12%
NONE OF THESE

13. Q. 12 A certain amount earns simple interest of Rs. 1750 after 7 years
Q.12 A certain amount earns simple interest of Rs after 7 years. Had the interest been 2% more, how much more interest would it have earned? 35 45 55
DATA INADEQUATE

14. Q. 13 Meena deposited a sum of Rs
Q.13 Meena deposited a sum of Rs in a bank paying simple interest.After one year, she withdraws Rs At the end of 3 years, she received Rs Find the rate of interest, assuming that she never
collected her interests till then.
a. 9 %
b. 8 %
c. 10 %
d. 12 %

15. Q.14 Divide Rs into two parts such that, the simple interest on the first part for 4 years at 8% per annum is equal to the simple interest on the
second part for 2 years at 9% per annum.
a. 1000, 2000
b. 1280, 1720
c. 1160, 1840
d. 1080, 1920

16. Q.15 A man invests Rs for three years at a certain rate of interest, compounded annually. At the end of one year it amounts to Rs Calculate the amount due at the end of the second year.
a. Rs. 6200
b. Rs. 6272
c. Rs. 6260
d. Rs. 6320

17. Q. 16 Find the amount due on Rs
Q.16 Find the amount due on Rs in 2 years if the rate of interest is 10%
for the first year and 12% for the second year.
a. Rs. 9716
b. Rs. 9856
c. Rs
d. Rs. 9756

18. Q. 17 Find the difference between S. I. and C. I. on Rs
Q.17 Find the difference between S.I. and C.I. on Rs for 2 years at 4%
p.a., compound interest, interest being compounded semi-annually.
a. Rs. 4.00
b. Rs. 6.08
c. Rs. 4.68
d. Rs. 5.88

19. Q. 18 A man invests Rs. 6500 for 3 years at 4. 5% p. a
Q.18 A man invests Rs for 3 years at 4.5% p.a. compound interest, compounded annually. 20% is deducted at the end of each year from this investment for expenditures. Find the amount due at the end of the third year.
a. Rs
b. Rs
c. Rs
d. Rs

20. Q. 19 A sum of Rs. 550 was taken as a loan
Q.19 A sum of Rs. 550 was taken as a loan. This is to be paid back in two equal installments. If the rate of interest is 20% p.a. compound interest, being compounded annually, then the value of each installment is:
a. Rs. 421
b. Rs. 300
c. Rs. 360
d. Rs. 350

21. Q.20