Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 807 · 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 ₹7100 at 10% per year for 2 years (in ₹)?
2. 2.A scooter is worth ₹56000. Its value falls by 5% every year. What will it be worth after 3 years (in ₹)?
3. 3.Find the compound interest on ₹7600 at 25% per year for 2 years, compounded every year (in ₹).
4. 4.What amount will ₹53200 grow to in 1 year at 15% per year compound interest (in ₹)?
5. 5.What amount will ₹54100 grow to in 1 year at 20% per year compound interest (in ₹)?
6. 6.What is the difference between the compound interest and the simple interest on ₹50000 at 12% per year for 2 years (in ₹)?
7. 7.Find the compound interest on ₹25000 at 12% per year for 2 years, compounded every year (in ₹).
8. 8.A town has 19000 people. The population grows by 10% every year. What will the population be after 3 years?
9. 9.What is the difference between the compound interest and the simple interest on ₹52400 at 25% per year for 2 years (in ₹)?
10. 10.Find the compound interest on ₹4000 at 10% per year for 3 years, compounded every year (in ₹).
11. 11.What amount will ₹19900 grow to in 1 year at 12% per year compound interest (in ₹)?
12. 12.What is the difference between the compound interest and the simple interest on ₹11000 at 20% per year for 2 years (in ₹)?
13. 13.Find the compound interest on ₹48200 at 12% per year for 1 year, compounded every year (in ₹).
14. 14.Find the compound interest on ₹45000 at 8% per year for 2 years, compounded every year (in ₹).
15. 15.A scooter is worth ₹14700. Its value falls by 5% every year. What will it be worth after 1 year (in ₹)?
16. 16.A town has 10000 people. The population grows by 4% every year. What will the population be after 2 years?
17. 17.What is the difference between the compound interest and the simple interest on ₹50000 at 4% per year for 2 years (in ₹)?
18. 18.A scooter is worth ₹37500. Its value falls by 4% every year. What will it be worth after 1 year (in ₹)?
19. 19.What amount will ₹32000 grow to in 3 years at 15% per year compound interest (in ₹)?
20. 20.Find the compound interest on ₹56400 at 15% per year for 2 years, compounded every year (in ₹).
21. 21.What amount will ₹57300 grow to in 1 year at 20% per year compound interest (in ₹)?
22. 22.Find the compound interest on ₹24000 at 8% per year for 1 year, compounded every year (in ₹).
23. 23.What amount will ₹33800 grow to in 2 years at 20% per year compound interest (in ₹)?
24. 24.What is the difference between the compound interest and the simple interest on ₹59900 at 20% per year for 2 years (in ₹)?
25. 25.What is the difference between the compound interest and the simple interest on ₹40000 at 12% per year for 2 years (in ₹)?
26. 26.A scooter is worth ₹26400. Its value falls by 25% every year. What will it be worth after 2 years (in ₹)?
27. 27.Find the compound interest on ₹16800 at 12% per year for 1 year, compounded every year (in ₹).
28. 28.What is the difference between the compound interest and the simple interest on ₹55200 at 10% per year for 2 years (in ₹)?
29. 29.What amount will ₹28400 grow to in 2 years at 15% per year compound interest (in ₹)?
30. 30.What is the difference between the compound interest and the simple interest on ₹30000 at 8% per year for 2 years (in ₹)?
31. 31.What amount will ₹8600 grow to in 2 years at 20% per year compound interest (in ₹)?
32. 32.A scooter is worth ₹17900. Its value falls by 12% every year. What will it be worth after 1 year (in ₹)?
33. 33.What is the difference between the compound interest and the simple interest on ₹20100 at 10% per year for 2 years (in ₹)?
34. 34.What amount will ₹48000 grow to in 3 years at 15% per year compound interest (in ₹)?
35. 35.Find the compound interest on ₹48000 at 5% per year for 3 years, compounded every year (in ₹).
36. 36.What is the difference between the compound interest and the simple interest on ₹52500 at 4% per year for 2 years (in ₹)?
37. 37.Find the compound interest on ₹8800 at 10% per year for 2 years, compounded every year (in ₹).
38. 38.What is the difference between the compound interest and the simple interest on ₹13200 at 10% per year for 2 years (in ₹)?
39. 39.Find the compound interest on ₹18000 at 20% per year for 3 years, compounded every year (in ₹).
40. 40.Find the compound interest on ₹51400 at 5% per year for 1 year, compounded every year (in ₹).

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