Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 893 · 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 ₹59200 at 12% per year for 1 year, compounded every year (in ₹).
2. 2.What is the difference between the compound interest and the simple interest on ₹24500 at 20% per year for 2 years (in ₹)?
3. 3.What amount will ₹48000 grow to in 3 years at 25% per year compound interest (in ₹)?
4. 4.Find the compound interest on ₹16000 at 15% per year for 3 years, compounded every year (in ₹).
5. 5.Find the compound interest on ₹40000 at 10% per year for 3 years, compounded every year (in ₹).
6. 6.Find the compound interest on ₹6000 at 20% per year for 1 year, compounded every year (in ₹).
7. 7.A town has 40000 people. The population grows by 15% every year. What will the population be after 3 years?
8. 8.What is the difference between the compound interest and the simple interest on ₹49200 at 25% per year for 2 years (in ₹)?
9. 9.Find the compound interest on ₹29500 at 5% per year for 1 year, compounded every year (in ₹).
10. 10.What amount will ₹15600 grow to in 1 year at 15% per year compound interest (in ₹)?
11. 11.What is the difference between the compound interest and the simple interest on ₹32500 at 4% per year for 2 years (in ₹)?
12. 12.What is the difference between the compound interest and the simple interest on ₹5000 at 12% per year for 2 years (in ₹)?
13. 13.Find the compound interest on ₹6600 at 15% per year for 1 year, compounded every year (in ₹).
14. 14.Find the compound interest on ₹58700 at 10% per year for 2 years, compounded every year (in ₹).
15. 15.What amount will ₹43600 grow to in 1 year at 5% per year compound interest (in ₹)?
16. 16.A scooter is worth ₹47600. Its value falls by 25% every year. What will it be worth after 2 years (in ₹)?
17. 17.Find the compound interest on ₹7200 at 25% per year for 1 year, compounded every year (in ₹).
18. 18.A scooter is worth ₹16000. Its value falls by 25% every year. What will it be worth after 2 years (in ₹)?
19. 19.What is the difference between the compound interest and the simple interest on ₹11200 at 25% per year for 2 years (in ₹)?
20. 20.Find the compound interest on ₹13900 at 15% per year for 1 year, compounded every year (in ₹).
21. 21.Find the compound interest on ₹42900 at 8% per year for 1 year, compounded every year (in ₹).
22. 22.What amount will ₹54000 grow to in 2 years at 15% per year compound interest (in ₹)?
23. 23.Find the compound interest on ₹15000 at 10% per year for 3 years, compounded every year (in ₹).
24. 24.What is the difference between the compound interest and the simple interest on ₹2400 at 5% per year for 2 years (in ₹)?
25. 25.A scooter is worth ₹9700. Its value falls by 5% every year. What will it be worth after 1 year (in ₹)?
26. 26.Find the compound interest on ₹1600 at 25% per year for 3 years, compounded every year (in ₹).
27. 27.What amount will ₹48900 grow to in 2 years at 20% per year compound interest (in ₹)?
28. 28.Find the compound interest on ₹17400 at 5% per year for 1 year, compounded every year (in ₹).
29. 29.A town has 47000 people. The population grows by 10% every year. What will the population be after 1 year?
30. 30.What amount will ₹5000 grow to in 3 years at 10% per year compound interest (in ₹)?
31. 31.Find the compound interest on ₹45500 at 4% per year for 1 year, compounded every year (in ₹).
32. 32.What amount will ₹20400 grow to in 1 year at 20% per year compound interest (in ₹)?
33. 33.What amount will ₹15600 grow to in 1 year at 8% per year compound interest (in ₹)?
34. 34.Find the compound interest on ₹50000 at 12% per year for 2 years, compounded every year (in ₹).
35. 35.What is the difference between the compound interest and the simple interest on ₹22500 at 12% per year for 2 years (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 ₹33200 at 25% per year for 2 years, compounded every year (in ₹).
38. 38.What is the difference between the compound interest and the simple interest on ₹49800 at 10% per year for 2 years (in ₹)?
39. 39.A scooter is worth ₹2400. Its value falls by 15% every year. What will it be worth after 2 years (in ₹)?
40. 40.What is the difference between the compound interest and the simple interest on ₹16400 at 5% per year for 2 years (in ₹)?

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