Compound Interest Worksheet

Quantitative aptitude lesson 15: Compound interest · Set 997 · 40 questions

The method (Year by year): Year 1: add R% of P. Year 2: add R% of the new amount. Carry on for each year. Amount = P × (100 + R)ⁿ ÷ 100ⁿ; compound interest = amount − P. For 2 years, CI − SI = P × R × R ÷ 10000.

1. 1.What is the difference between the compound interest and the simple interest on ₹40000 at 15% per year for 2 years (in ₹)?
2. 2.What is the difference between the compound interest and the simple interest on ₹21000 at 20% per year for 2 years (in ₹)?
3. 3.Find the amount when ₹31250 is invested at 12% per year compound interest for 3 years (in ₹).
4. 4.Find the compound interest on ₹18400 at 10% per year for 2 years, added every year (in ₹).
5. 5.What is the difference between the compound interest and the simple interest on ₹10000 at 4% per year for 2 years (in ₹)?
6. 6.What is the difference between the compound interest and the simple interest on ₹5600 at 5% per year for 2 years (in ₹)?
7. 7.Find the amount when ₹48000 is invested at 10% per year compound interest for 3 years (in ₹).
8. 8.Find the compound interest on ₹20675 at 20% per year for 2 years, added every year (in ₹).
9. 9.What is the difference between the compound interest and the simple interest on ₹5000 at 4% per year for 2 years (in ₹)?
10. 10.Find the amount when ₹9000 is invested at 10% per year compound interest for 3 years (in ₹).
11. 11.Find the amount when ₹8000 is invested at 15% per year compound interest for 3 years (in ₹).
12. 12.Find the compound interest on ₹12500 at 8% per year for 2 years, added every year (in ₹).
13. 13.Find the compound interest on ₹28750 at 4% per year for 2 years, added every year (in ₹).
14. 14.Find the compound interest on ₹22400 at 5% per year for 2 years, added every year (in ₹).
15. 15.Find the amount when ₹37920 is invested at 25% per year compound interest for 2 years (in ₹).
16. 16.Find the amount when ₹20000 is invested at 4% per year compound interest for 2 years (in ₹).
17. 17.What is the difference between the compound interest and the simple interest on ₹6800 at 5% per year for 2 years (in ₹)?
18. 18.What is the difference between the compound interest and the simple interest on ₹25000 at 4% per year for 2 years (in ₹)?
19. 19.Find the amount when ₹38125 is invested at 12% per year compound interest for 2 years (in ₹).
20. 20.Find the compound interest on ₹47000 at 10% per year for 3 years, added every year (in ₹).
21. 21.Find the amount when ₹42500 is invested at 4% per year compound interest for 2 years (in ₹).
22. 22.Find the compound interest on ₹14000 at 10% per year for 3 years, added every year (in ₹).
23. 23.Find the amount when ₹6250 is invested at 8% per year compound interest for 2 years (in ₹).
24. 24.Find the amount when ₹46875 is invested at 8% per year compound interest for 3 years (in ₹).
25. 25.What is the difference between the compound interest and the simple interest on ₹33600 at 5% per year for 2 years (in ₹)?
26. 26.Find the compound interest on ₹11900 at 10% per year for 2 years, added every year (in ₹).
27. 27.Find the compound interest on ₹3456 at 25% per year for 3 years, added every year (in ₹).
28. 28.Find the amount when ₹23475 is invested at 20% per year compound interest for 2 years (in ₹).
29. 29.Find the amount when ₹15625 is invested at 4% per year compound interest for 2 years (in ₹).
30. 30.Find the amount when ₹41500 is invested at 10% per year compound interest for 2 years (in ₹).
31. 31.Find the amount when ₹24000 is invested at 15% per year compound interest for 3 years (in ₹).
32. 32.Find the amount when ₹15000 is invested at 12% per year compound interest for 2 years (in ₹).
33. 33.What is the difference between the compound interest and the simple interest on ₹29600 at 15% per year for 2 years (in ₹)?
34. 34.Find the compound interest on ₹8000 at 15% per year for 3 years, added every year (in ₹).
35. 35.What is the difference between the compound interest and the simple interest on ₹16800 at 15% per year for 2 years (in ₹)?
36. 36.Find the amount when ₹31250 is invested at 8% per year compound interest for 3 years (in ₹).
37. 37.What is the difference between the compound interest and the simple interest on ₹2500 at 12% per year for 2 years (in ₹)?
38. 38.Find the compound interest on ₹12400 at 20% per year for 2 years, added every year (in ₹).
39. 39.What is the difference between the compound interest and the simple interest on ₹36100 at 10% per year for 2 years (in ₹)?
40. 40.Find the amount when ₹32000 is invested at 5% per year compound interest for 3 years (in ₹).

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