Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 984 · 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 ₹6500 grow to in 1 year at 25% per year compound interest (in ₹)?
2. 2.What is the difference between the compound interest and the simple interest on ₹33600 at 25% per year for 2 years (in ₹)?
3. 3.What amount will ₹2000 grow to in 2 years at 25% per year compound interest (in ₹)?
4. 4.What amount will ₹55900 grow to in 1 year at 25% per year compound interest (in ₹)?
5. 5.What amount will ₹52300 grow to in 2 years at 10% per year compound interest (in ₹)?
6. 6.What is the difference between the compound interest and the simple interest on ₹27300 at 10% per year for 2 years (in ₹)?
7. 7.Find the compound interest on ₹13600 at 25% per year for 1 year, compounded every year (in ₹).
8. 8.Find the compound interest on ₹40000 at 5% per year for 3 years, compounded every year (in ₹).
9. 9.A town has 58800 people. The population grows by 25% every year. What will the population be after 2 years?
10. 10.What is the difference between the compound interest and the simple interest on ₹4000 at 5% per year for 2 years (in ₹)?
11. 11.Find the compound interest on ₹50400 at 5% per year for 2 years, compounded every year (in ₹).
12. 12.What is the difference between the compound interest and the simple interest on ₹37200 at 15% per year for 2 years (in ₹)?
13. 13.What amount will ₹59200 grow to in 2 years at 5% per year compound interest (in ₹)?
14. 14.What amount will ₹40000 grow to in 3 years at 15% per year compound interest (in ₹)?
15. 15.Find the compound interest on ₹31100 at 10% per year for 2 years, compounded every year (in ₹).
16. 16.What amount will ₹33100 grow to in 2 years at 10% per year compound interest (in ₹)?
17. 17.What is the difference between the compound interest and the simple interest on ₹29200 at 15% per year for 2 years (in ₹)?
18. 18.What is the difference between the compound interest and the simple interest on ₹51800 at 20% per year for 2 years (in ₹)?
19. 19.A scooter is worth ₹58000. Its value falls by 15% every year. What will it be worth after 2 years (in ₹)?
20. 20.Find the compound interest on ₹26800 at 8% per year for 1 year, compounded every year (in ₹).
21. 21.What is the difference between the compound interest and the simple interest on ₹37500 at 12% per year for 2 years (in ₹)?
22. 22.What amount will ₹26500 grow to in 1 year at 8% per year compound interest (in ₹)?
23. 23.Find the compound interest on ₹20700 at 12% per year for 1 year, compounded every year (in ₹).
24. 24.A scooter is worth ₹17500. Its value falls by 12% every year. What will it be worth after 2 years (in ₹)?
25. 25.A town has 47500 people. The population grows by 8% every year. What will the population be after 2 years?
26. 26.What amount will ₹50000 grow to in 2 years at 8% per year compound interest (in ₹)?
27. 27.A town has 27500 people. The population grows by 12% every year. What will the population be after 2 years?
28. 28.What amount will ₹49400 grow to in 1 year at 25% per year compound interest (in ₹)?
29. 29.A scooter is worth ₹56600. Its value falls by 20% every year. What will it be worth after 1 year (in ₹)?
30. 30.Find the compound interest on ₹20200 at 12% per year for 1 year, compounded every year (in ₹).
31. 31.What amount will ₹40000 grow to in 2 years at 5% per year compound interest (in ₹)?
32. 32.What amount will ₹16400 grow to in 2 years at 15% per year compound interest (in ₹)?
33. 33.Find the compound interest on ₹19200 at 10% per year for 2 years, compounded every year (in ₹).
34. 34.A scooter is worth ₹48000. Its value falls by 5% every year. What will it be worth after 3 years (in ₹)?
35. 35.Find the compound interest on ₹18200 at 5% per year for 1 year, compounded every year (in ₹).
36. 36.What amount will ₹16400 grow to in 1 year at 8% per year compound interest (in ₹)?
37. 37.A town has 28800 people. The population grows by 5% every year. What will the population be after 2 years?
38. 38.A scooter is worth ₹33600. Its value falls by 15% every year. What will it be worth after 1 year (in ₹)?
39. 39.Find the compound interest on ₹2500 at 5% per year for 1 year, compounded every year (in ₹).
40. 40.Find the compound interest on ₹12500 at 12% per year for 2 years, compounded every year (in ₹).

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