Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 680 · 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.What is the simple interest on ₹5500 at 11% per year for 3 years? (a) ₹7315 (b) ₹605 (c) ₹1815 (d) ₹2420
2. 2.What is the simple interest on ₹3500 at 9% per year for 2 years? (a) ₹315 (b) ₹630 (c) ₹4130 (d) ₹945
3. 3.In how many years will ₹2000 earn ₹720 simple interest at 12% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
4. 4.₹3000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹300 (b) ₹3450 (c) ₹3300 (d) ₹3150
5. 5.What is the simple interest on ₹9500 at 5% per year for 4 years? (a) ₹475 (b) ₹1900 (c) ₹2375 (d) ₹11400
6. 6.What is the simple interest on ₹8000 at 2% per year for 2 years? (a) ₹320 (b) ₹160 (c) ₹480 (d) ₹8320
7. 7.What is the simple interest on ₹2000 at 6% per year for 5 years? (a) ₹2600 (b) ₹600 (c) ₹120 (d) ₹720
8. 8.In how many years will ₹9500 earn ₹1140 simple interest at 3% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
9. 9.The simple interest on ₹3000 for 4 years is ₹720. What is the rate per year? (a) 7% (b) 6% (c) 5% (d) 24%
10. 10.What is the simple interest on ₹8000 at 2% per year for 5 years? (a) ₹8800 (b) ₹800 (c) ₹960 (d) ₹160
11. 11.₹2000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹2300 (b) ₹300 (c) ₹2060 (d) ₹2360
12. 12.What is the simple interest on ₹2500 at 6% per year for 3 years? (a) ₹600 (b) ₹2950 (c) ₹450 (d) ₹150
13. 13.What is the simple interest on ₹5000 at 2% per year for 5 years? (a) ₹500 (b) ₹100 (c) ₹5500 (d) ₹600
14. 14.What is the simple interest on ₹1000 at 6% per year for 4 years? (a) ₹60 (b) ₹1240 (c) ₹300 (d) ₹240
15. 15.What is the simple interest on ₹7000 at 11% per year for 2 years? (a) ₹770 (b) ₹2310 (c) ₹1540 (d) ₹8540
16. 16.In how many years will ₹3000 earn ₹180 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
17. 17.What is the simple interest on ₹9000 at 10% per year for 3 years? (a) ₹3600 (b) ₹11700 (c) ₹900 (d) ₹2700
18. 18.What is the simple interest on ₹9000 at 9% per year for 3 years? (a) ₹2430 (b) ₹3240 (c) ₹11430 (d) ₹810
19. 19.In how many years will ₹6500 earn ₹650 simple interest at 5% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
20. 20.In how many years will ₹7500 earn ₹1575 simple interest at 7% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
21. 21.The simple interest on ₹3500 for 2 years is ₹630. What is the rate per year? (a) 10% (b) 9% (c) 18% (d) 8%
22. 22.The simple interest on ₹3000 for 3 years is ₹720. What is the rate per year? (a) 9% (b) 7% (c) 8% (d) 24%
23. 23.₹4000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹5760 (b) ₹4440 (c) ₹1320 (d) ₹5320
24. 24.In how many years will ₹2500 earn ₹450 simple interest at 9% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
25. 25.The simple interest on ₹3500 for 4 years is ₹280. What is the rate per year? (a) 2% (b) 1% (c) 3% (d) 8%
26. 26.The simple interest on ₹2000 for 3 years is ₹240. What is the rate per year? (a) 4% (b) 5% (c) 12% (d) 3%
27. 27.₹10000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹10800 (b) ₹2400 (c) ₹13200 (d) ₹12400
28. 28.In how many years will ₹8500 earn ₹3825 simple interest at 9% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
29. 29.What is the simple interest on ₹6000 at 4% per year for 4 years? (a) ₹1200 (b) ₹960 (c) ₹6960 (d) ₹240
30. 30.In how many years will ₹8500 earn ₹3400 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
31. 31.What is the simple interest on ₹9500 at 7% per year for 2 years? (a) ₹1330 (b) ₹665 (c) ₹10830 (d) ₹1995
32. 32.The simple interest on ₹7000 for 3 years is ₹1680. What is the rate per year? (a) 24% (b) 8% (c) 7% (d) 9%
33. 33.₹7500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹600 (b) ₹8400 (c) ₹7800 (d) ₹8100
34. 34.₹4500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹4860 (b) ₹5580 (c) ₹5220 (d) ₹720
35. 35.In how many years will ₹7500 earn ₹750 simple interest at 5% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
36. 36.What is the simple interest on ₹9500 at 10% per year for 5 years? (a) ₹4750 (b) ₹5700 (c) ₹14250 (d) ₹950
37. 37.The simple interest on ₹4500 for 2 years is ₹270. What is the rate per year? (a) 6% (b) 3% (c) 2% (d) 4%
38. 38.In how many years will ₹6000 earn ₹1080 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
39. 39.What is the simple interest on ₹9500 at 12% per year for 5 years? (a) ₹1140 (b) ₹6840 (c) ₹5700 (d) ₹15200
40. 40.The simple interest on ₹2000 for 2 years is ₹320. What is the rate per year? (a) 16% (b) 8% (c) 9% (d) 7%

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