Class 8 Maths Worksheet: Compound Interest

Maths worksheets lesson 63: Compound interest · Set 779 · 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 ₹32500 at 8% per year for 2 years (in ₹)?
2. 2.Find the compound interest on ₹40000 at 25% per year for 2 years, compounded every year (in ₹).
3. 3.What amount will ₹15600 grow to in 1 year at 5% per year compound interest (in ₹)?
4. 4.What amount will ₹9700 grow to in 1 year at 4% per year compound interest (in ₹)?
5. 5.What is the difference between the compound interest and the simple interest on ₹33600 at 25% per year for 2 years (in ₹)?
6. 6.What amount will ₹35200 grow to in 3 years at 25% per year compound interest (in ₹)?
7. 7.What amount will ₹52800 grow to in 2 years at 5% per year compound interest (in ₹)?
8. 8.A scooter is worth ₹28800. Its value falls by 10% every year. What will it be worth after 2 years (in ₹)?
9. 9.A town has 17500 people. The population grows by 4% every year. What will the population be after 2 years?
10. 10.A town has 8000 people. The population grows by 25% every year. What will the population be after 2 years?
11. 11.Find the compound interest on ₹24500 at 20% per year for 3 years, compounded every year (in ₹).
12. 12.A town has 60000 people. The population grows by 4% every year. What will the population be after 2 years?
13. 13.What amount will ₹15000 grow to in 2 years at 8% per year compound interest (in ₹)?
14. 14.What amount will ₹39300 grow to in 1 year at 4% per year compound interest (in ₹)?
15. 15.What amount will ₹13300 grow to in 2 years at 10% per year compound interest (in ₹)?
16. 16.What is the difference between the compound interest and the simple interest on ₹35000 at 4% per year for 2 years (in ₹)?
17. 17.What amount will ₹12500 grow to in 2 years at 8% per year compound interest (in ₹)?
18. 18.Find the compound interest on ₹40000 at 8% per year for 2 years, compounded every year (in ₹).
19. 19.What amount will ₹28700 grow to in 1 year at 8% per year compound interest (in ₹)?
20. 20.What amount will ₹8000 grow to in 3 years at 5% per year compound interest (in ₹)?
21. 21.What is the difference between the compound interest and the simple interest on ₹15000 at 8% per year for 2 years (in ₹)?
22. 22.Find the compound interest on ₹50200 at 8% per year for 1 year, compounded every year (in ₹).
23. 23.Find the compound interest on ₹43600 at 25% per year for 2 years, compounded every year (in ₹).
24. 24.Find the compound interest on ₹29200 at 5% per year for 2 years, compounded every year (in ₹).
25. 25.What is the difference between the compound interest and the simple interest on ₹15000 at 12% per year for 2 years (in ₹)?
26. 26.Find the compound interest on ₹10900 at 10% per year for 2 years, compounded every year (in ₹).
27. 27.Find the compound interest on ₹54000 at 10% per year for 3 years, compounded every year (in ₹).
28. 28.A scooter is worth ₹22900. Its value falls by 10% every year. What will it be worth after 1 year (in ₹)?
29. 29.What is the difference between the compound interest and the simple interest on ₹9600 at 20% per year for 2 years (in ₹)?
30. 30.What amount will ₹32500 grow to in 2 years at 12% per year compound interest (in ₹)?
31. 31.What amount will ₹54300 grow to in 1 year at 4% per year compound interest (in ₹)?
32. 32.Find the compound interest on ₹5100 at 20% per year for 2 years, compounded every year (in ₹).
33. 33.What is the difference between the compound interest and the simple interest on ₹22500 at 12% per year for 2 years (in ₹)?
34. 34.What amount will ₹8000 grow to in 1 year at 10% per year compound interest (in ₹)?
35. 35.Find the compound interest on ₹9800 at 15% per year for 1 year, compounded every year (in ₹).
36. 36.What amount will ₹12000 grow to in 3 years at 20% per year compound interest (in ₹)?
37. 37.What amount will ₹36400 grow to in 2 years at 25% per year compound interest (in ₹)?
38. 38.What is the difference between the compound interest and the simple interest on ₹13000 at 10% per year for 2 years (in ₹)?
39. 39.Find the compound interest on ₹10000 at 5% per year for 2 years, compounded every year (in ₹).
40. 40.What is the difference between the compound interest and the simple interest on ₹26100 at 10% per year for 2 years (in ₹)?

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