Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 790 · 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.₹2500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹4000 (b) ₹2800 (c) ₹3700 (d) ₹1200
2. 2.In how many years will ₹6500 earn ₹390 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
3. 3.₹5000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹8300 (b) ₹5550 (c) ₹7750 (d) ₹2750
4. 4.In how many years will ₹7500 earn ₹1200 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
5. 5.The simple interest on ₹2500 for 5 years is ₹375. What is the rate per year? (a) 3% (b) 4% (c) 15% (d) 2%
6. 6.The simple interest on ₹6000 for 4 years is ₹1920. What is the rate per year? (a) 9% (b) 8% (c) 32% (d) 7%
7. 7.In how many years will ₹6000 earn ₹960 simple interest at 8% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
8. 8.What is the simple interest on ₹4500 at 12% per year for 5 years? (a) ₹7200 (b) ₹2700 (c) ₹3240 (d) ₹540
9. 9.The simple interest on ₹2500 for 2 years is ₹400. What is the rate per year? (a) 9% (b) 7% (c) 16% (d) 8%
10. 10.What is the simple interest on ₹10000 at 2% per year for 5 years? (a) ₹1000 (b) ₹200 (c) ₹11000 (d) ₹1200
11. 11.The simple interest on ₹4000 for 4 years is ₹800. What is the rate per year? (a) 5% (b) 20% (c) 4% (d) 6%
12. 12.The simple interest on ₹1000 for 3 years is ₹240. What is the rate per year? (a) 24% (b) 7% (c) 9% (d) 8%
13. 13.In how many years will ₹6500 earn ₹260 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
14. 14.What is the simple interest on ₹9000 at 4% per year for 5 years? (a) ₹360 (b) ₹2160 (c) ₹10800 (d) ₹1800
15. 15.The simple interest on ₹7000 for 2 years is ₹1540. What is the rate per year? (a) 22% (b) 11% (c) 12% (d) 10%
16. 16.The simple interest on ₹4000 for 4 years is ₹1440. What is the rate per year? (a) 10% (b) 9% (c) 36% (d) 8%
17. 17.What is the simple interest on ₹1000 at 2% per year for 3 years? (a) ₹20 (b) ₹60 (c) ₹1060 (d) ₹80
18. 18.What is the simple interest on ₹1000 at 10% per year for 5 years? (a) ₹100 (b) ₹600 (c) ₹500 (d) ₹1500
19. 19.The simple interest on ₹1500 for 5 years is ₹300. What is the rate per year? (a) 3% (b) 4% (c) 20% (d) 5%
20. 20.In how many years will ₹2000 earn ₹400 simple interest at 5% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
21. 21.What is the simple interest on ₹4000 at 9% per year for 5 years? (a) ₹5800 (b) ₹2160 (c) ₹360 (d) ₹1800
22. 22.In how many years will ₹10000 earn ₹1500 simple interest at 3% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
23. 23.In how many years will ₹3500 earn ₹280 simple interest at 2% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
24. 24.The simple interest on ₹10000 for 2 years is ₹2200. What is the rate per year? (a) 11% (b) 22% (c) 10% (d) 12%
25. 25.In how many years will ₹7500 earn ₹2400 simple interest at 8% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
26. 26.What is the simple interest on ₹2000 at 4% per year for 5 years? (a) ₹2400 (b) ₹80 (c) ₹400 (d) ₹480
27. 27.₹9000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹9540 (b) ₹9180 (c) ₹9720 (d) ₹540
28. 28.In how many years will ₹4500 earn ₹1125 simple interest at 5% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
29. 29.What is the simple interest on ₹10000 at 11% per year for 4 years? (a) ₹1100 (b) ₹5500 (c) ₹14400 (d) ₹4400
30. 30.What is the simple interest on ₹7000 at 12% per year for 2 years? (a) ₹2520 (b) ₹1680 (c) ₹8680 (d) ₹840
31. 31.In how many years will ₹1000 earn ₹60 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
32. 32.What is the simple interest on ₹8000 at 12% per year for 3 years? (a) ₹10880 (b) ₹3840 (c) ₹2880 (d) ₹960
33. 33.What is the simple interest on ₹2000 at 12% per year for 3 years? (a) ₹2720 (b) ₹240 (c) ₹720 (d) ₹960
34. 34.₹5500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹8470 (b) ₹7975 (c) ₹5995 (d) ₹2475
35. 35.What is the simple interest on ₹3000 at 9% per year for 3 years? (a) ₹3810 (b) ₹270 (c) ₹1080 (d) ₹810
36. 36.In how many years will ₹3500 earn ₹700 simple interest at 4% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
37. 37.₹2000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹2200 (b) ₹800 (c) ₹3000 (d) ₹2800
38. 38.The simple interest on ₹6000 for 5 years is ₹2400. What is the rate per year? (a) 9% (b) 40% (c) 7% (d) 8%
39. 39.In how many years will ₹6000 earn ₹1200 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
40. 40.In how many years will ₹8000 earn ₹3520 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years

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