Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 405 · 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.₹9500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹10640 (b) ₹2280 (c) ₹12920 (d) ₹11780
2. 2.The simple interest on ₹2000 for 5 years is ₹400. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 20%
3. 3.The simple interest on ₹6500 for 4 years is ₹2080. What is the rate per year? (a) 32% (b) 8% (c) 7% (d) 9%
4. 4.The simple interest on ₹2000 for 2 years is ₹160. What is the rate per year? (a) 8% (b) 3% (c) 4% (d) 5%
5. 5.The simple interest on ₹6500 for 2 years is ₹1040. What is the rate per year? (a) 9% (b) 7% (c) 16% (d) 8%
6. 6.What is the simple interest on ₹3500 at 6% per year for 3 years? (a) ₹630 (b) ₹4130 (c) ₹840 (d) ₹210
7. 7.The simple interest on ₹9000 for 2 years is ₹1080. What is the rate per year? (a) 7% (b) 12% (c) 6% (d) 5%
8. 8.₹3500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹840 (b) ₹3710 (c) ₹4550 (d) ₹4340
9. 9.What is the simple interest on ₹8500 at 11% per year for 3 years? (a) ₹2805 (b) ₹3740 (c) ₹11305 (d) ₹935
10. 10.The simple interest on ₹6000 for 5 years is ₹3300. What is the rate per year? (a) 11% (b) 10% (c) 55% (d) 12%
11. 11.₹1500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹375 (b) ₹1875 (c) ₹1950 (d) ₹1575
12. 12.What is the simple interest on ₹2500 at 6% per year for 5 years? (a) ₹3250 (b) ₹150 (c) ₹900 (d) ₹750
13. 13.The simple interest on ₹4500 for 3 years is ₹810. What is the rate per year? (a) 6% (b) 18% (c) 5% (d) 7%
14. 14.The simple interest on ₹8000 for 5 years is ₹2400. What is the rate per year? (a) 7% (b) 30% (c) 5% (d) 6%
15. 15.In how many years will ₹6000 earn ₹2160 simple interest at 12% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
16. 16.What is the simple interest on ₹2000 at 8% per year for 2 years? (a) ₹2320 (b) ₹160 (c) ₹480 (d) ₹320
17. 17.In how many years will ₹1000 earn ₹200 simple interest at 10% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
18. 18.In how many years will ₹1500 earn ₹495 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
19. 19.In how many years will ₹8500 earn ₹1020 simple interest at 6% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
20. 20.In how many years will ₹5500 earn ₹220 simple interest at 2% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
21. 21.The simple interest on ₹5000 for 3 years is ₹1200. What is the rate per year? (a) 7% (b) 9% (c) 8% (d) 24%
22. 22.What is the simple interest on ₹10000 at 2% per year for 2 years? (a) ₹600 (b) ₹400 (c) ₹200 (d) ₹10400
23. 23.What is the simple interest on ₹3500 at 5% per year for 5 years? (a) ₹4375 (b) ₹1050 (c) ₹875 (d) ₹175
24. 24.₹8500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹8755 (b) ₹9775 (c) ₹10030 (d) ₹1275
25. 25.What is the simple interest on ₹5000 at 7% per year for 2 years? (a) ₹5700 (b) ₹1050 (c) ₹700 (d) ₹350
26. 26.The simple interest on ₹5000 for 4 years is ₹1400. What is the rate per year? (a) 28% (b) 8% (c) 6% (d) 7%
27. 27.The simple interest on ₹5500 for 2 years is ₹220. What is the rate per year? (a) 3% (b) 4% (c) 2% (d) 1%
28. 28.What is the simple interest on ₹6500 at 11% per year for 4 years? (a) ₹715 (b) ₹9360 (c) ₹3575 (d) ₹2860
29. 29.What is the simple interest on ₹8500 at 12% per year for 3 years? (a) ₹3060 (b) ₹4080 (c) ₹1020 (d) ₹11560
30. 30.In how many years will ₹3000 earn ₹120 simple interest at 2% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
31. 31.In how many years will ₹1000 earn ₹480 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
32. 32.₹9500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹10545 (b) ₹4180 (c) ₹14725 (d) ₹13680
33. 33.What is the simple interest on ₹10000 at 7% per year for 5 years? (a) ₹4200 (b) ₹13500 (c) ₹3500 (d) ₹700
34. 34.In how many years will ₹3000 earn ₹360 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
35. 35.₹5000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹5150 (b) ₹5750 (c) ₹600 (d) ₹5600
36. 36.The simple interest on ₹8500 for 3 years is ₹1785. What is the rate per year? (a) 21% (b) 7% (c) 8% (d) 6%
37. 37.What is the simple interest on ₹3500 at 7% per year for 3 years? (a) ₹735 (b) ₹245 (c) ₹4235 (d) ₹980
38. 38.The simple interest on ₹3000 for 5 years is ₹1500. What is the rate per year? (a) 11% (b) 9% (c) 10% (d) 50%
39. 39.What is the simple interest on ₹9000 at 9% per year for 5 years? (a) ₹4050 (b) ₹13050 (c) ₹810 (d) ₹4860
40. 40.What is the simple interest on ₹8500 at 8% per year for 2 years? (a) ₹1360 (b) ₹680 (c) ₹2040 (d) ₹9860

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad