Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 628 · 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 amount will ₹14700 grow to in 2 years at 10% per year compound interest (in ₹)?
2. 2.What amount will ₹17500 grow to in 2 years at 8% per year compound interest (in ₹)?
3. 3.Find the compound interest on ₹45300 at 12% per year for 1 year, compounded every year (in ₹).
4. 4.What is the difference between the compound interest and the simple interest on ₹12500 at 8% per year for 2 years (in ₹)?
5. 5.What is the difference between the compound interest and the simple interest on ₹26900 at 20% per year for 2 years (in ₹)?
6. 6.A town has 32600 people. The population grows by 5% every year. What will the population be after 1 year?
7. 7.A scooter is worth ₹12500. Its value falls by 12% every year. What will it be worth after 2 years (in ₹)?
8. 8.What is the difference between the compound interest and the simple interest on ₹23200 at 15% per year for 2 years (in ₹)?
9. 9.Find the compound interest on ₹13400 at 4% per year for 1 year, compounded every year (in ₹).
10. 10.Find the compound interest on ₹51700 at 10% per year for 1 year, compounded every year (in ₹).
11. 11.Find the compound interest on ₹44800 at 20% per year for 1 year, compounded every year (in ₹).
12. 12.Find the compound interest on ₹40900 at 4% per year for 1 year, compounded every year (in ₹).
13. 13.A town has 12200 people. The population grows by 15% every year. What will the population be after 1 year?
14. 14.Find the compound interest on ₹12500 at 8% per year for 2 years, compounded every year (in ₹).
15. 15.What amount will ₹42100 grow to in 1 year at 12% per year compound interest (in ₹)?
16. 16.What is the difference between the compound interest and the simple interest on ₹15000 at 4% per year for 2 years (in ₹)?
17. 17.Find the compound interest on ₹4800 at 25% per year for 2 years, compounded every year (in ₹).
18. 18.What amount will ₹10900 grow to in 2 years at 20% per year compound interest (in ₹)?
19. 19.What amount will ₹50000 grow to in 2 years at 12% per year compound interest (in ₹)?
20. 20.What is the difference between the compound interest and the simple interest on ₹4400 at 15% per year for 2 years (in ₹)?
21. 21.What is the difference between the compound interest and the simple interest on ₹32300 at 20% per year for 2 years (in ₹)?
22. 22.Find the compound interest on ₹12900 at 8% per year for 1 year, compounded every year (in ₹).
23. 23.What amount will ₹24300 grow to in 1 year at 12% per year compound interest (in ₹)?
24. 24.What is the difference between the compound interest and the simple interest on ₹43000 at 20% per year for 2 years (in ₹)?
25. 25.What amount will ₹60000 grow to in 2 years at 15% per year compound interest (in ₹)?
26. 26.A town has 10000 people. The population grows by 5% every year. What will the population be after 2 years?
27. 27.Find the compound interest on ₹15700 at 10% per year for 2 years, compounded every year (in ₹).
28. 28.What is the difference between the compound interest and the simple interest on ₹35600 at 25% per year for 2 years (in ₹)?
29. 29.What is the difference between the compound interest and the simple interest on ₹30000 at 4% per year for 2 years (in ₹)?
30. 30.Find the compound interest on ₹22500 at 8% per year for 2 years, compounded every year (in ₹).
31. 31.What is the difference between the compound interest and the simple interest on ₹18900 at 10% per year for 2 years (in ₹)?
32. 32.Find the compound interest on ₹3600 at 15% per year for 2 years, compounded every year (in ₹).
33. 33.A town has 52500 people. The population grows by 12% every year. What will the population be after 2 years?
34. 34.What is the difference between the compound interest and the simple interest on ₹55600 at 5% per year for 2 years (in ₹)?
35. 35.Find the compound interest on ₹29000 at 20% per year for 1 year, compounded every year (in ₹).
36. 36.Find the compound interest on ₹15000 at 4% per year for 2 years, compounded every year (in ₹).
37. 37.Find the compound interest on ₹50000 at 20% per year for 3 years, compounded every year (in ₹).
38. 38.What amount will ₹52000 grow to in 3 years at 10% per year compound interest (in ₹)?
39. 39.A town has 17200 people. The population grows by 5% every year. What will the population be after 2 years?
40. 40.Find the compound interest on ₹16000 at 25% per year for 3 years, compounded every year (in ₹).

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