Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 64 · 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 ₹44800 at 5% per year for 2 years (in ₹)?
2. 2.Find the compound interest on ₹47400 at 12% per year for 1 year, compounded every year (in ₹).
3. 3.A scooter is worth ₹6700. Its value falls by 4% every year. What will it be worth after 1 year (in ₹)?
4. 4.Find the compound interest on ₹35000 at 4% per year for 2 years, compounded every year (in ₹).
5. 5.A scooter is worth ₹2500. Its value falls by 12% every year. What will it be worth after 2 years (in ₹)?
6. 6.Find the compound interest on ₹24000 at 15% per year for 3 years, compounded every year (in ₹).
7. 7.What amount will ₹35000 grow to in 1 year at 10% per year compound interest (in ₹)?
8. 8.Find the compound interest on ₹44500 at 5% per year for 1 year, compounded every year (in ₹).
9. 9.What amount will ₹55200 grow to in 2 years at 15% per year compound interest (in ₹)?
10. 10.Find the compound interest on ₹12900 at 10% per year for 2 years, compounded every year (in ₹).
11. 11.What is the difference between the compound interest and the simple interest on ₹58000 at 20% per year for 2 years (in ₹)?
12. 12.A scooter is worth ₹5400. Its value falls by 12% every year. What will it be worth after 1 year (in ₹)?
13. 13.What amount will ₹48800 grow to in 1 year at 10% per year compound interest (in ₹)?
14. 14.What is the difference between the compound interest and the simple interest on ₹22000 at 25% per year for 2 years (in ₹)?
15. 15.What amount will ₹59200 grow to in 1 year at 8% per year compound interest (in ₹)?
16. 16.A scooter is worth ₹16000. Its value falls by 10% every year. What will it be worth after 1 year (in ₹)?
17. 17.What amount will ₹24000 grow to in 3 years at 15% per year compound interest (in ₹)?
18. 18.What amount will ₹2200 grow to in 1 year at 12% per year compound interest (in ₹)?
19. 19.A scooter is worth ₹15600. Its value falls by 12% every year. What will it be worth after 1 year (in ₹)?
20. 20.Find the compound interest on ₹57500 at 12% per year for 2 years, compounded every year (in ₹).
21. 21.What amount will ₹43600 grow to in 2 years at 20% per year compound interest (in ₹)?
22. 22.A town has 4400 people. The population grows by 15% every year. What will the population be after 2 years?
23. 23.What amount will ₹42500 grow to in 2 years at 12% per year compound interest (in ₹)?
24. 24.What is the difference between the compound interest and the simple interest on ₹2500 at 4% per year for 2 years (in ₹)?
25. 25.What amount will ₹2500 grow to in 2 years at 4% per year compound interest (in ₹)?
26. 26.What is the difference between the compound interest and the simple interest on ₹5000 at 4% per year for 2 years (in ₹)?
27. 27.What amount will ₹55600 grow to in 2 years at 15% per year compound interest (in ₹)?
28. 28.A scooter is worth ₹12900. Its value falls by 10% every year. What will it be worth after 2 years (in ₹)?
29. 29.What amount will ₹37600 grow to in 2 years at 5% per year compound interest (in ₹)?
30. 30.A scooter is worth ₹20800. Its value falls by 25% every year. What will it be worth after 3 years (in ₹)?
31. 31.What is the difference between the compound interest and the simple interest on ₹59200 at 25% per year for 2 years (in ₹)?
32. 32.What is the difference between the compound interest and the simple interest on ₹5000 at 8% per year for 2 years (in ₹)?
33. 33.A town has 33200 people. The population grows by 15% every year. What will the population be after 2 years?
34. 34.A town has 5100 people. The population grows by 10% every year. What will the population be after 2 years?
35. 35.What amount will ₹38500 grow to in 3 years at 20% per year compound interest (in ₹)?
36. 36.Find the compound interest on ₹12100 at 5% per year for 1 year, compounded every year (in ₹).
37. 37.What is the difference between the compound interest and the simple interest on ₹44400 at 15% per year for 2 years (in ₹)?
38. 38.Find the compound interest on ₹13000 at 12% per year for 1 year, compounded every year (in ₹).
39. 39.A scooter is worth ₹16000. Its value falls by 15% every year. What will it be worth after 3 years (in ₹)?
40. 40.What is the difference between the compound interest and the simple interest on ₹45000 at 4% per year for 2 years (in ₹)?

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