Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 658 · 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.Find the compound interest on ₹15600 at 5% per year for 1 year, compounded every year (in ₹).
2. 2.What is the difference between the compound interest and the simple interest on ₹45200 at 25% per year for 2 years (in ₹)?
3. 3.What amount will ₹24000 grow to in 3 years at 5% per year compound interest (in ₹)?
4. 4.What is the difference between the compound interest and the simple interest on ₹57400 at 10% per year for 2 years (in ₹)?
5. 5.What is the difference between the compound interest and the simple interest on ₹25600 at 25% per year for 2 years (in ₹)?
6. 6.Find the compound interest on ₹16000 at 15% per year for 2 years, compounded every year (in ₹).
7. 7.What is the difference between the compound interest and the simple interest on ₹41200 at 15% per year for 2 years (in ₹)?
8. 8.Find the compound interest on ₹54700 at 15% per year for 1 year, compounded every year (in ₹).
9. 9.Find the compound interest on ₹35400 at 8% per year for 1 year, compounded every year (in ₹).
10. 10.What is the difference between the compound interest and the simple interest on ₹2200 at 10% per year for 2 years (in ₹)?
11. 11.What amount will ₹48500 grow to in 3 years at 20% per year compound interest (in ₹)?
12. 12.What is the difference between the compound interest and the simple interest on ₹15000 at 8% per year for 2 years (in ₹)?
13. 13.What is the difference between the compound interest and the simple interest on ₹60000 at 15% per year for 2 years (in ₹)?
14. 14.What amount will ₹8100 grow to in 2 years at 10% per year compound interest (in ₹)?
15. 15.Find the compound interest on ₹14000 at 15% per year for 2 years, compounded every year (in ₹).
16. 16.What amount will ₹26300 grow to in 1 year at 20% per year compound interest (in ₹)?
17. 17.Find the compound interest on ₹5000 at 12% per year for 2 years, compounded every year (in ₹).
18. 18.A scooter is worth ₹52300. Its value falls by 10% every year. What will it be worth after 1 year (in ₹)?
19. 19.A town has 29100 people. The population grows by 8% every year. What will the population be after 1 year?
20. 20.What is the difference between the compound interest and the simple interest on ₹17700 at 20% per year for 2 years (in ₹)?
21. 21.Find the compound interest on ₹41300 at 10% per year for 1 year, compounded every year (in ₹).
22. 22.What is the difference between the compound interest and the simple interest on ₹55000 at 4% per year for 2 years (in ₹)?
23. 23.What amount will ₹52800 grow to in 2 years at 15% per year compound interest (in ₹)?
24. 24.What amount will ₹31200 grow to in 2 years at 25% per year compound interest (in ₹)?
25. 25.What is the difference between the compound interest and the simple interest on ₹14400 at 15% per year for 2 years (in ₹)?
26. 26.What amount will ₹52500 grow to in 2 years at 8% per year compound interest (in ₹)?
27. 27.A scooter is worth ₹27500. Its value falls by 8% every year. What will it be worth after 2 years (in ₹)?
28. 28.Find the compound interest on ₹21000 at 20% per year for 3 years, compounded every year (in ₹).
29. 29.What amount will ₹41200 grow to in 2 years at 15% per year compound interest (in ₹)?
30. 30.A town has 12000 people. The population grows by 10% every year. What will the population be after 1 year?
31. 31.What is the difference between the compound interest and the simple interest on ₹3300 at 20% per year for 2 years (in ₹)?
32. 32.What is the difference between the compound interest and the simple interest on ₹30000 at 8% per year for 2 years (in ₹)?
33. 33.Find the compound interest on ₹52500 at 20% per year for 3 years, compounded every year (in ₹).
34. 34.Find the compound interest on ₹32500 at 8% per year for 2 years, compounded every year (in ₹).
35. 35.What amount will ₹16000 grow to in 3 years at 15% per year compound interest (in ₹)?
36. 36.What is the difference between the compound interest and the simple interest on ₹12500 at 12% per year for 2 years (in ₹)?
37. 37.A scooter is worth ₹17500. Its value falls by 4% every year. What will it be worth after 2 years (in ₹)?
38. 38.A town has 36800 people. The population grows by 15% every year. What will the population be after 1 year?
39. 39.What is the difference between the compound interest and the simple interest on ₹18400 at 25% per year for 2 years (in ₹)?
40. 40.What amount will ₹20000 grow to in 3 years at 10% per year compound interest (in ₹)?

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