Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 304 · 40 questions

How to solve it (P × R × T ÷ 100): Simple interest = P × R × T ÷ 100 (P = principal, R = rate % per year, T = years). Amount = principal + interest. Rate = SI × 100 ÷ (P × T); time = SI × 100 ÷ (P × R).

1. 1.₹3000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹3240 (b) ₹180 (c) ₹3060 (d) ₹3180
2. 2.₹7000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹7560 (b) ₹10360 (c) ₹9800 (d) ₹2800
3. 3.₹3000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹3900 (b) ₹720 (c) ₹3180 (d) ₹3720
4. 4.The simple interest on ₹9000 for 2 years is ₹540. What is the rate per year? (a) 4% (b) 6% (c) 3% (d) 2%
5. 5.What is the simple interest on ₹4000 at 2% per year for 5 years? (a) ₹400 (b) ₹480 (c) ₹4400 (d) ₹80
6. 6.In how many years will ₹3500 earn ₹350 simple interest at 2% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
7. 7.The simple interest on ₹7500 for 2 years is ₹900. What is the rate per year? (a) 12% (b) 5% (c) 6% (d) 7%
8. 8.₹7500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1050 (b) ₹8550 (c) ₹9075 (d) ₹8025
9. 9.What is the simple interest on ₹3500 at 2% per year for 2 years? (a) ₹140 (b) ₹3640 (c) ₹70 (d) ₹210
10. 10.The simple interest on ₹3500 for 2 years is ₹630. What is the rate per year? (a) 10% (b) 8% (c) 9% (d) 18%
11. 11.₹7500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹8175 (b) ₹11550 (c) ₹10875 (d) ₹3375
12. 12.In how many years will ₹2500 earn ₹100 simple interest at 2% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
13. 13.In how many years will ₹8500 earn ₹2125 simple interest at 5% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
14. 14.What is the simple interest on ₹3500 at 10% per year for 2 years? (a) ₹350 (b) ₹4200 (c) ₹700 (d) ₹1050
15. 15.In how many years will ₹2000 earn ₹540 simple interest at 9% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
16. 16.In how many years will ₹2000 earn ₹240 simple interest at 3% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
17. 17.₹4500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹4680 (b) ₹180 (c) ₹4590 (d) ₹4770
18. 18.₹1000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1120 (b) ₹1180 (c) ₹120 (d) ₹1060
19. 19.In how many years will ₹7500 earn ₹600 simple interest at 2% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
20. 20.In how many years will ₹2500 earn ₹225 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
21. 21.What is the simple interest on ₹3500 at 12% per year for 4 years? (a) ₹5180 (b) ₹420 (c) ₹2100 (d) ₹1680
22. 22.₹9500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹10640 (b) ₹11020 (c) ₹1140 (d) ₹9880
23. 23.₹5500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹880 (b) ₹5720 (c) ₹6380 (d) ₹6600
24. 24.The simple interest on ₹3000 for 5 years is ₹1500. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 50%
25. 25.What is the simple interest on ₹2000 at 4% per year for 3 years? (a) ₹80 (b) ₹240 (c) ₹320 (d) ₹2240
26. 26.What is the simple interest on ₹3500 at 12% per year for 2 years? (a) ₹1260 (b) ₹420 (c) ₹840 (d) ₹4340
27. 27.The simple interest on ₹1000 for 5 years is ₹200. What is the rate per year? (a) 5% (b) 20% (c) 4% (d) 3%
28. 28.₹5500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹220 (b) ₹5720 (c) ₹5830 (d) ₹5610
29. 29.The simple interest on ₹1500 for 4 years is ₹300. What is the rate per year? (a) 20% (b) 4% (c) 5% (d) 6%
30. 30.The simple interest on ₹2500 for 2 years is ₹350. What is the rate per year? (a) 8% (b) 7% (c) 6% (d) 14%
31. 31.What is the simple interest on ₹1000 at 10% per year for 5 years? (a) ₹100 (b) ₹500 (c) ₹600 (d) ₹1500
32. 32.₹10000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹3000 (b) ₹13000 (c) ₹11000 (d) ₹14000
33. 33.What is the simple interest on ₹9500 at 4% per year for 4 years? (a) ₹1520 (b) ₹1900 (c) ₹11020 (d) ₹380
34. 34.The simple interest on ₹6000 for 2 years is ₹600. What is the rate per year? (a) 10% (b) 6% (c) 4% (d) 5%
35. 35.₹1500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1590 (b) ₹180 (c) ₹1680 (d) ₹1770
36. 36.In how many years will ₹1500 earn ₹540 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
37. 37.What is the simple interest on ₹6500 at 3% per year for 2 years? (a) ₹195 (b) ₹6890 (c) ₹585 (d) ₹390
38. 38.What is the simple interest on ₹2000 at 10% per year for 4 years? (a) ₹1000 (b) ₹200 (c) ₹2800 (d) ₹800
39. 39.In how many years will ₹8000 earn ₹2800 simple interest at 7% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
40. 40.The simple interest on ₹1500 for 4 years is ₹360. What is the rate per year? (a) 6% (b) 24% (c) 7% (d) 5%

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