Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 817 · 40 sums

The method (Grow it every year): Year by year: new amount = amount × (100 + R) ÷ 100. Amount after T years = P × (1 + R/100)ᵀ; compound interest = amount − P. A value falling by R% each year: × (100 − R) ÷ 100 every year. For 2 years, CI − SI = P × R × R ÷ 10000.

1. 1.What is the difference between the compound interest and the simple interest on ₹40000 at 8% per year for 2 years (in ₹)?
2. 2.What amount will ₹12800 grow to in 1 year at 12% per year compound interest (in ₹)?
3. 3.What amount will ₹26200 grow to in 1 year at 5% per year compound interest (in ₹)?
4. 4.What is the difference between the compound interest and the simple interest on ₹15000 at 8% per year for 2 years (in ₹)?
5. 5.What amount will ₹56000 grow to in 3 years at 25% per year compound interest (in ₹)?
6. 6.What amount will ₹11900 grow to in 1 year at 20% per year compound interest (in ₹)?
7. 7.Find the compound interest on ₹15100 at 20% per year for 1 year, compounded every year (in ₹).
8. 8.Find the compound interest on ₹45000 at 4% per year for 2 years, compounded every year (in ₹).
9. 9.What amount will ₹53300 grow to in 2 years at 20% per year compound interest (in ₹)?
10. 10.What is the difference between the compound interest and the simple interest on ₹5600 at 15% per year for 2 years (in ₹)?
11. 11.Find the compound interest on ₹17200 at 25% per year for 2 years, compounded every year (in ₹).
12. 12.Find the compound interest on ₹33600 at 25% per year for 3 years, compounded every year (in ₹).
13. 13.Find the compound interest on ₹20000 at 12% per year for 2 years, compounded every year (in ₹).
14. 14.What amount will ₹41600 grow to in 3 years at 25% per year compound interest (in ₹)?
15. 15.Find the compound interest on ₹55600 at 8% per year for 1 year, compounded every year (in ₹).
16. 16.What is the difference between the compound interest and the simple interest on ₹19200 at 15% per year for 2 years (in ₹)?
17. 17.A scooter is worth ₹5000. Its value falls by 8% every year. What will it be worth after 2 years (in ₹)?
18. 18.What is the difference between the compound interest and the simple interest on ₹52000 at 15% per year for 2 years (in ₹)?
19. 19.Find the compound interest on ₹55000 at 4% per year for 2 years, compounded every year (in ₹).
20. 20.Find the compound interest on ₹14800 at 8% per year for 1 year, compounded every year (in ₹).
21. 21.A town has 12400 people. The population grows by 25% every year. What will the population be after 2 years?
22. 22.What amount will ₹7400 grow to in 1 year at 15% per year compound interest (in ₹)?
23. 23.What is the difference between the compound interest and the simple interest on ₹10000 at 8% per year for 2 years (in ₹)?
24. 24.A town has 59300 people. The population grows by 10% every year. What will the population be after 2 years?
25. 25.What amount will ₹57700 grow to in 1 year at 20% per year compound interest (in ₹)?
26. 26.A scooter is worth ₹55000. Its value falls by 12% every year. What will it be worth after 2 years (in ₹)?
27. 27.What is the difference between the compound interest and the simple interest on ₹53200 at 25% per year for 2 years (in ₹)?
28. 28.A town has 35200 people. The population grows by 20% every year. What will the population be after 2 years?
29. 29.What is the difference between the compound interest and the simple interest on ₹51200 at 25% per year for 2 years (in ₹)?
30. 30.What is the difference between the compound interest and the simple interest on ₹50800 at 5% per year for 2 years (in ₹)?
31. 31.Find the compound interest on ₹9000 at 10% per year for 2 years, compounded every year (in ₹).
32. 32.What amount will ₹28000 grow to in 2 years at 15% per year compound interest (in ₹)?
33. 33.A scooter is worth ₹11800. Its value falls by 10% every year. What will it be worth after 2 years (in ₹)?
34. 34.What is the difference between the compound interest and the simple interest on ₹2500 at 12% per year for 2 years (in ₹)?
35. 35.What is the difference between the compound interest and the simple interest on ₹40000 at 12% per year for 2 years (in ₹)?
36. 36.What amount will ₹8500 grow to in 1 year at 25% per year compound interest (in ₹)?
37. 37.What is the difference between the compound interest and the simple interest on ₹51000 at 20% per year for 2 years (in ₹)?
38. 38.Find the compound interest on ₹16000 at 15% per year for 3 years, compounded every year (in ₹).
39. 39.A town has 55600 people. The population grows by 12% every year. What will the population be after 1 year?
40. 40.What amount will ₹9600 grow to in 2 years at 10% per year compound interest (in ₹)?

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