Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 373 · 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 ₹54800 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 ₹56700 at 20% per year for 2 years (in ₹)?
3. 3.What is the difference between the compound interest and the simple interest on ₹51800 at 20% per year for 2 years (in ₹)?
4. 4.Find the compound interest on ₹24000 at 15% per year for 1 year, compounded every year (in ₹).
5. 5.Find the compound interest on ₹48000 at 25% per year for 3 years, compounded every year (in ₹).
6. 6.What is the difference between the compound interest and the simple interest on ₹55000 at 8% per year for 2 years (in ₹)?
7. 7.Find the compound interest on ₹12800 at 15% per year for 2 years, compounded every year (in ₹).
8. 8.What amount will ₹51800 grow to in 2 years at 10% per year compound interest (in ₹)?
9. 9.What amount will ₹9500 grow to in 3 years at 20% per year compound interest (in ₹)?
10. 10.What amount will ₹40000 grow to in 3 years at 15% per year compound interest (in ₹)?
11. 11.What is the difference between the compound interest and the simple interest on ₹32500 at 10% per year for 2 years (in ₹)?
12. 12.A town has 49000 people. The population grows by 20% every year. What will the population be after 1 year?
13. 13.A scooter is worth ₹8000. Its value falls by 5% every year. What will it be worth after 3 years (in ₹)?
14. 14.What amount will ₹37500 grow to in 2 years at 4% per year compound interest (in ₹)?
15. 15.A scooter is worth ₹51800. Its value falls by 8% every year. What will it be worth after 1 year (in ₹)?
16. 16.Find the compound interest on ₹57500 at 4% per year for 2 years, compounded every year (in ₹).
17. 17.Find the compound interest on ₹4200 at 4% per year for 1 year, compounded every year (in ₹).
18. 18.What amount will ₹24200 grow to in 2 years at 10% per year compound interest (in ₹)?
19. 19.What amount will ₹49300 grow to in 2 years at 10% per year compound interest (in ₹)?
20. 20.What is the difference between the compound interest and the simple interest on ₹10900 at 20% per year for 2 years (in ₹)?
21. 21.Find the compound interest on ₹2500 at 8% per year for 2 years, compounded every year (in ₹).
22. 22.What amount will ₹9400 grow to in 1 year at 4% per year compound interest (in ₹)?
23. 23.What is the difference between the compound interest and the simple interest on ₹2500 at 8% per year for 2 years (in ₹)?
24. 24.Find the compound interest on ₹55000 at 8% per year for 2 years, compounded every year (in ₹).
25. 25.Find the compound interest on ₹40000 at 5% per year for 3 years, compounded every year (in ₹).
26. 26.Find the compound interest on ₹7300 at 15% per year for 1 year, compounded every year (in ₹).
27. 27.Find the compound interest on ₹35900 at 4% per year for 1 year, compounded every year (in ₹).
28. 28.Find the compound interest on ₹30000 at 12% per year for 2 years, compounded every year (in ₹).
29. 29.Find the compound interest on ₹26200 at 8% per year for 1 year, compounded every year (in ₹).
30. 30.What is the difference between the compound interest and the simple interest on ₹22400 at 15% per year for 2 years (in ₹)?
31. 31.What amount will ₹58500 grow to in 1 year at 10% per year compound interest (in ₹)?
32. 32.Find the compound interest on ₹35200 at 10% per year for 2 years, compounded every year (in ₹).
33. 33.What amount will ₹3600 grow to in 2 years at 20% per year compound interest (in ₹)?
34. 34.What is the difference between the compound interest and the simple interest on ₹12000 at 5% per year for 2 years (in ₹)?
35. 35.A town has 55600 people. The population grows by 5% every year. What will the population be after 2 years?
36. 36.What is the difference between the compound interest and the simple interest on ₹9200 at 15% per year for 2 years (in ₹)?
37. 37.A scooter is worth ₹16000. Its value falls by 5% every year. What will it be worth after 3 years (in ₹)?
38. 38.Find the compound interest on ₹48000 at 10% per year for 3 years, compounded every year (in ₹).
39. 39.What amount will ₹30400 grow to in 2 years at 5% per year compound interest (in ₹)?
40. 40.What amount will ₹48000 grow to in 3 years at 10% per year compound interest (in ₹)?

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