Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 764 · 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 ₹10000 for 5 years is ₹1000. What is the rate per year? (a) 2% (b) 10% (c) 1% (d) 3%
2. 2.What is the simple interest on ₹3000 at 7% per year for 5 years? (a) ₹4050 (b) ₹1260 (c) ₹1050 (d) ₹210
3. 3.The simple interest on ₹2500 for 2 years is ₹100. What is the rate per year? (a) 1% (b) 4% (c) 3% (d) 2%
4. 4.The simple interest on ₹2000 for 3 years is ₹480. What is the rate per year? (a) 9% (b) 24% (c) 8% (d) 7%
5. 5.What is the simple interest on ₹4500 at 9% per year for 3 years? (a) ₹1215 (b) ₹5715 (c) ₹1620 (d) ₹405
6. 6.What is the simple interest on ₹1000 at 6% per year for 2 years? (a) ₹1120 (b) ₹60 (c) ₹120 (d) ₹180
7. 7.In how many years will ₹5500 earn ₹660 simple interest at 4% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
8. 8.What is the simple interest on ₹2000 at 9% per year for 3 years? (a) ₹2540 (b) ₹720 (c) ₹180 (d) ₹540
9. 9.₹9500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹855 (b) ₹9785 (c) ₹10355 (d) ₹10640
10. 10.What is the simple interest on ₹5000 at 12% per year for 5 years? (a) ₹8000 (b) ₹600 (c) ₹3600 (d) ₹3000
11. 11.What is the simple interest on ₹2000 at 2% per year for 2 years? (a) ₹2080 (b) ₹80 (c) ₹120 (d) ₹40
12. 12.In how many years will ₹7500 earn ₹2250 simple interest at 10% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
13. 13.In how many years will ₹6000 earn ₹1080 simple interest at 9% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
14. 14.What is the simple interest on ₹5000 at 8% per year for 4 years? (a) ₹1600 (b) ₹6600 (c) ₹2000 (d) ₹400
15. 15.In how many years will ₹2500 earn ₹600 simple interest at 12% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
16. 16.What is the simple interest on ₹3000 at 4% per year for 5 years? (a) ₹120 (b) ₹600 (c) ₹720 (d) ₹3600
17. 17.In how many years will ₹4500 earn ₹540 simple interest at 4% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
18. 18.In how many years will ₹6500 earn ₹2080 simple interest at 8% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
19. 19.₹4500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹4950 (b) ₹6750 (c) ₹7200 (d) ₹2250
20. 20.₹8000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹8960 (b) ₹8800 (c) ₹800 (d) ₹8160
21. 21.What is the simple interest on ₹8000 at 5% per year for 2 years? (a) ₹800 (b) ₹8800 (c) ₹1200 (d) ₹400
22. 22.The simple interest on ₹10000 for 5 years is ₹6000. What is the rate per year? (a) 13% (b) 60% (c) 11% (d) 12%
23. 23.In how many years will ₹8000 earn ₹480 simple interest at 2% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
24. 24.₹9500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹10070 (b) ₹10355 (c) ₹570 (d) ₹9785
25. 25.₹9000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹4050 (b) ₹13860 (c) ₹13050 (d) ₹9810
26. 26.₹1500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1650 (b) ₹1950 (c) ₹300 (d) ₹1800
27. 27.The simple interest on ₹4000 for 2 years is ₹560. What is the rate per year? (a) 7% (b) 8% (c) 14% (d) 6%
28. 28.What is the simple interest on ₹3000 at 4% per year for 3 years? (a) ₹3360 (b) ₹480 (c) ₹360 (d) ₹120
29. 29.The simple interest on ₹2500 for 5 years is ₹750. What is the rate per year? (a) 7% (b) 30% (c) 5% (d) 6%
30. 30.The simple interest on ₹1000 for 2 years is ₹180. What is the rate per year? (a) 18% (b) 9% (c) 10% (d) 8%
31. 31.In how many years will ₹6500 earn ₹3250 simple interest at 10% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
32. 32.What is the simple interest on ₹5000 at 6% per year for 2 years? (a) ₹600 (b) ₹5600 (c) ₹300 (d) ₹900
33. 33.In how many years will ₹3500 earn ₹1120 simple interest at 8% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
34. 34.In how many years will ₹3500 earn ₹980 simple interest at 7% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
35. 35.₹7500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹7950 (b) ₹8100 (c) ₹7650 (d) ₹450
36. 36.What is the simple interest on ₹7000 at 10% per year for 5 years? (a) ₹4200 (b) ₹10500 (c) ₹3500 (d) ₹700
37. 37.In how many years will ₹9500 earn ₹1330 simple interest at 7% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
38. 38.In how many years will ₹8500 earn ₹1360 simple interest at 8% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
39. 39.In how many years will ₹7000 earn ₹630 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
40. 40.The simple interest on ₹3000 for 2 years is ₹240. What is the rate per year? (a) 3% (b) 8% (c) 5% (d) 4%

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