Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 315 · 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.The simple interest on ₹5500 for 3 years is ₹1155. What is the rate per year? (a) 6% (b) 8% (c) 21% (d) 7%
2. 2.The simple interest on ₹1000 for 5 years is ₹250. What is the rate per year? (a) 6% (b) 25% (c) 4% (d) 5%
3. 3.In how many years will ₹2500 earn ₹250 simple interest at 2% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
4. 4.The simple interest on ₹5000 for 2 years is ₹900. What is the rate per year? (a) 18% (b) 9% (c) 8% (d) 10%
5. 5.₹2000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹2320 (b) ₹2240 (c) ₹240 (d) ₹2080
6. 6.The simple interest on ₹1000 for 2 years is ₹60. What is the rate per year? (a) 2% (b) 4% (c) 6% (d) 3%
7. 7.The simple interest on ₹5000 for 3 years is ₹750. What is the rate per year? (a) 15% (b) 4% (c) 6% (d) 5%
8. 8.₹2000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹640 (b) ₹2160 (c) ₹2640 (d) ₹2800
9. 9.What is the simple interest on ₹2500 at 5% per year for 2 years? (a) ₹2750 (b) ₹125 (c) ₹250 (d) ₹375
10. 10.What is the simple interest on ₹9000 at 9% per year for 2 years? (a) ₹2430 (b) ₹10620 (c) ₹1620 (d) ₹810
11. 11.The simple interest on ₹6000 for 4 years is ₹2160. What is the rate per year? (a) 9% (b) 36% (c) 10% (d) 8%
12. 12.The simple interest on ₹8000 for 4 years is ₹2560. What is the rate per year? (a) 7% (b) 32% (c) 8% (d) 9%
13. 13.₹8500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹9860 (b) ₹9180 (c) ₹1360 (d) ₹10540
14. 14.What is the simple interest on ₹9500 at 5% per year for 4 years? (a) ₹2375 (b) ₹475 (c) ₹11400 (d) ₹1900
15. 15.What is the simple interest on ₹5000 at 5% per year for 2 years? (a) ₹750 (b) ₹250 (c) ₹500 (d) ₹5500
16. 16.The simple interest on ₹9500 for 3 years is ₹3420. What is the rate per year? (a) 36% (b) 11% (c) 12% (d) 13%
17. 17.What is the simple interest on ₹9000 at 11% per year for 2 years? (a) ₹10980 (b) ₹990 (c) ₹2970 (d) ₹1980
18. 18.What is the simple interest on ₹5500 at 5% per year for 5 years? (a) ₹1375 (b) ₹275 (c) ₹1650 (d) ₹6875
19. 19.The simple interest on ₹6000 for 4 years is ₹720. What is the rate per year? (a) 4% (b) 12% (c) 2% (d) 3%
20. 20.What is the simple interest on ₹5000 at 8% per year for 3 years? (a) ₹6200 (b) ₹1600 (c) ₹400 (d) ₹1200
21. 21.₹10000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹10800 (b) ₹800 (c) ₹11000 (d) ₹10200
22. 22.The simple interest on ₹1000 for 3 years is ₹240. What is the rate per year? (a) 8% (b) 7% (c) 24% (d) 9%
23. 23.What is the simple interest on ₹7000 at 11% per year for 3 years? (a) ₹2310 (b) ₹9310 (c) ₹3080 (d) ₹770
24. 24.The simple interest on ₹4000 for 3 years is ₹480. What is the rate per year? (a) 4% (b) 3% (c) 5% (d) 12%
25. 25.What is the simple interest on ₹10000 at 3% per year for 2 years? (a) ₹600 (b) ₹300 (c) ₹900 (d) ₹10600
26. 26.In how many years will ₹1500 earn ₹825 simple interest at 11% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
27. 27.What is the simple interest on ₹10000 at 9% per year for 5 years? (a) ₹14500 (b) ₹900 (c) ₹4500 (d) ₹5400
28. 28.In how many years will ₹5000 earn ₹2750 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
29. 29.₹7000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹7350 (b) ₹8050 (c) ₹8400 (d) ₹1050
30. 30.What is the simple interest on ₹6000 at 2% per year for 2 years? (a) ₹360 (b) ₹120 (c) ₹6240 (d) ₹240
31. 31.In how many years will ₹10000 earn ₹1200 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
32. 32.₹1000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹1030 (b) ₹90 (c) ₹1120 (d) ₹1090
33. 33.In how many years will ₹1500 earn ₹90 simple interest at 3% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
34. 34.What is the simple interest on ₹3500 at 5% per year for 2 years? (a) ₹175 (b) ₹525 (c) ₹350 (d) ₹3850
35. 35.What is the simple interest on ₹3000 at 4% per year for 4 years? (a) ₹600 (b) ₹120 (c) ₹480 (d) ₹3480
36. 36.The simple interest on ₹3000 for 4 years is ₹360. What is the rate per year? (a) 12% (b) 2% (c) 3% (d) 4%
37. 37.In how many years will ₹4000 earn ₹1200 simple interest at 6% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
38. 38.What is the simple interest on ₹8500 at 4% per year for 3 years? (a) ₹340 (b) ₹9520 (c) ₹1360 (d) ₹1020
39. 39.The simple interest on ₹1500 for 4 years is ₹180. What is the rate per year? (a) 12% (b) 3% (c) 2% (d) 4%
40. 40.The simple interest on ₹9500 for 5 years is ₹5225. What is the rate per year? (a) 11% (b) 55% (c) 10% (d) 12%

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