Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 120 · 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.₹8000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹11600 (b) ₹2880 (c) ₹10880 (d) ₹8720
2. 2.What is the simple interest on ₹5000 at 7% per year for 2 years? (a) ₹5700 (b) ₹700 (c) ₹350 (d) ₹1050
3. 3.In how many years will ₹2000 earn ₹240 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
4. 4.In how many years will ₹1000 earn ₹330 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
5. 5.₹4000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹4120 (b) ₹4360 (c) ₹240 (d) ₹4240
6. 6.₹1000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹100 (b) ₹1100 (c) ₹1150 (d) ₹1050
7. 7.In how many years will ₹8000 earn ₹1760 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
8. 8.In how many years will ₹4000 earn ₹360 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
9. 9.In how many years will ₹4500 earn ₹1215 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
10. 10.The simple interest on ₹5500 for 2 years is ₹220. What is the rate per year? (a) 4% (b) 1% (c) 3% (d) 2%
11. 11.What is the simple interest on ₹8500 at 9% per year for 4 years? (a) ₹3060 (b) ₹765 (c) ₹11560 (d) ₹3825
12. 12.₹1000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹140 (b) ₹1210 (c) ₹1070 (d) ₹1140
13. 13.₹3000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹4500 (b) ₹4800 (c) ₹1500 (d) ₹3300
14. 14.What is the simple interest on ₹3500 at 7% per year for 2 years? (a) ₹245 (b) ₹735 (c) ₹490 (d) ₹3990
15. 15.In how many years will ₹2000 earn ₹900 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
16. 16.The simple interest on ₹5000 for 4 years is ₹1800. What is the rate per year? (a) 36% (b) 8% (c) 9% (d) 10%
17. 17.In how many years will ₹4500 earn ₹450 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
18. 18.In how many years will ₹4000 earn ₹1600 simple interest at 10% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
19. 19.What is the simple interest on ₹5500 at 5% per year for 2 years? (a) ₹825 (b) ₹550 (c) ₹275 (d) ₹6050
20. 20.In how many years will ₹3000 earn ₹1320 simple interest at 11% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
21. 21.The simple interest on ₹9500 for 2 years is ₹1330. What is the rate per year? (a) 8% (b) 6% (c) 14% (d) 7%
22. 22.What is the simple interest on ₹2500 at 2% per year for 3 years? (a) ₹200 (b) ₹2650 (c) ₹150 (d) ₹50
23. 23.In how many years will ₹1000 earn ₹200 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
24. 24.The simple interest on ₹6500 for 4 years is ₹2600. What is the rate per year? (a) 40% (b) 11% (c) 10% (d) 9%
25. 25.₹10000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹10300 (b) ₹10900 (c) ₹600 (d) ₹10600
26. 26.In how many years will ₹2500 earn ₹350 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
27. 27.What is the simple interest on ₹7500 at 8% per year for 3 years? (a) ₹600 (b) ₹2400 (c) ₹9300 (d) ₹1800
28. 28.What is the simple interest on ₹1000 at 11% per year for 2 years? (a) ₹1220 (b) ₹220 (c) ₹110 (d) ₹330
29. 29.In how many years will ₹9500 earn ₹2090 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
30. 30.What is the simple interest on ₹4000 at 4% per year for 3 years? (a) ₹640 (b) ₹4480 (c) ₹160 (d) ₹480
31. 31.In how many years will ₹7000 earn ₹1120 simple interest at 4% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
32. 32.What is the simple interest on ₹8500 at 3% per year for 5 years? (a) ₹255 (b) ₹9775 (c) ₹1275 (d) ₹1530
33. 33.In how many years will ₹8000 earn ₹1600 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
34. 34.The simple interest on ₹9000 for 4 years is ₹1440. What is the rate per year? (a) 16% (b) 5% (c) 3% (d) 4%
35. 35.In how many years will ₹1500 earn ₹240 simple interest at 4% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
36. 36.What is the simple interest on ₹4500 at 6% per year for 4 years? (a) ₹270 (b) ₹1080 (c) ₹1350 (d) ₹5580
37. 37.The simple interest on ₹7000 for 2 years is ₹1120. What is the rate per year? (a) 7% (b) 9% (c) 8% (d) 16%
38. 38.The simple interest on ₹6000 for 5 years is ₹600. What is the rate per year? (a) 2% (b) 1% (c) 10% (d) 3%
39. 39.What is the simple interest on ₹2500 at 4% per year for 3 years? (a) ₹100 (b) ₹400 (c) ₹300 (d) ₹2800
40. 40.In how many years will ₹6000 earn ₹2160 simple interest at 9% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years

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