Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 152 · 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 ₹33600 grow to in 2 years at 20% per year compound interest (in ₹)?
2. 2.What amount will ₹25000 grow to in 3 years at 10% per year compound interest (in ₹)?
3. 3.What amount will ₹56000 grow to in 3 years at 15% per year compound interest (in ₹)?
4. 4.What is the difference between the compound interest and the simple interest on ₹24800 at 5% per year for 2 years (in ₹)?
5. 5.What is the difference between the compound interest and the simple interest on ₹3600 at 15% per year for 2 years (in ₹)?
6. 6.What is the difference between the compound interest and the simple interest on ₹15600 at 5% per year for 2 years (in ₹)?
7. 7.What amount will ₹12900 grow to in 1 year at 8% per year compound interest (in ₹)?
8. 8.What amount will ₹16500 grow to in 2 years at 10% per year compound interest (in ₹)?
9. 9.What is the difference between the compound interest and the simple interest on ₹52300 at 10% per year for 2 years (in ₹)?
10. 10.Find the compound interest on ₹49600 at 5% per year for 2 years, compounded every year (in ₹).
11. 11.A town has 54800 people. The population grows by 10% every year. What will the population be after 2 years?
12. 12.What is the difference between the compound interest and the simple interest on ₹39200 at 25% per year for 2 years (in ₹)?
13. 13.Find the compound interest on ₹6000 at 10% per year for 3 years, compounded every year (in ₹).
14. 14.What amount will ₹16000 grow to in 3 years at 25% per year compound interest (in ₹)?
15. 15.What is the difference between the compound interest and the simple interest on ₹30800 at 25% per year for 2 years (in ₹)?
16. 16.A town has 24000 people. The population grows by 25% every year. What will the population be after 2 years?
17. 17.Find the compound interest on ₹29600 at 25% per year for 1 year, compounded every year (in ₹).
18. 18.What is the difference between the compound interest and the simple interest on ₹21000 at 20% per year for 2 years (in ₹)?
19. 19.Find the compound interest on ₹20200 at 20% per year for 1 year, compounded every year (in ₹).
20. 20.A scooter is worth ₹26000. Its value falls by 15% every year. What will it be worth after 2 years (in ₹)?
21. 21.A town has 59200 people. The population grows by 25% every year. What will the population be after 3 years?
22. 22.A scooter is worth ₹45000. Its value falls by 12% every year. What will it be worth after 2 years (in ₹)?
23. 23.Find the compound interest on ₹18400 at 15% per year for 1 year, compounded every year (in ₹).
24. 24.What amount will ₹50400 grow to in 2 years at 25% per year compound interest (in ₹)?
25. 25.What amount will ₹7200 grow to in 2 years at 25% per year compound interest (in ₹)?
26. 26.What amount will ₹30500 grow to in 3 years at 20% per year compound interest (in ₹)?
27. 27.A scooter is worth ₹34600. Its value falls by 10% every year. What will it be worth after 1 year (in ₹)?
28. 28.What is the difference between the compound interest and the simple interest on ₹55200 at 5% per year for 2 years (in ₹)?
29. 29.Find the compound interest on ₹24100 at 12% per year for 1 year, compounded every year (in ₹).
30. 30.What is the difference between the compound interest and the simple interest on ₹25600 at 5% per year for 2 years (in ₹)?
31. 31.What amount will ₹35600 grow to in 1 year at 25% per year compound interest (in ₹)?
32. 32.What amount will ₹52500 grow to in 2 years at 4% per year compound interest (in ₹)?
33. 33.Find the compound interest on ₹12500 at 4% per year for 2 years, compounded every year (in ₹).
34. 34.Find the compound interest on ₹48000 at 15% per year for 3 years, compounded every year (in ₹).
35. 35.What is the difference between the compound interest and the simple interest on ₹45000 at 12% per year for 2 years (in ₹)?
36. 36.What is the difference between the compound interest and the simple interest on ₹58400 at 20% per year for 2 years (in ₹)?
37. 37.What is the difference between the compound interest and the simple interest on ₹30400 at 15% per year for 2 years (in ₹)?
38. 38.Find the compound interest on ₹58000 at 5% per year for 2 years, compounded every year (in ₹).
39. 39.What is the difference between the compound interest and the simple interest on ₹5000 at 4% per year for 2 years (in ₹)?
40. 40.What amount will ₹10000 grow to in 3 years at 10% per year compound interest (in ₹)?

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