Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 604 · 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 ₹6500 for 2 years is ₹520. What is the rate per year? (a) 4% (b) 8% (c) 5% (d) 3%
2. 2.₹2500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹3625 (b) ₹1125 (c) ₹3850 (d) ₹2725
3. 3.What is the simple interest on ₹2000 at 11% per year for 2 years? (a) ₹220 (b) ₹660 (c) ₹2440 (d) ₹440
4. 4.What is the simple interest on ₹1000 at 2% per year for 4 years? (a) ₹100 (b) ₹1080 (c) ₹20 (d) ₹80
5. 5.What is the simple interest on ₹8000 at 2% per year for 3 years? (a) ₹480 (b) ₹640 (c) ₹160 (d) ₹8480
6. 6.The simple interest on ₹5000 for 4 years is ₹1000. What is the rate per year? (a) 5% (b) 6% (c) 20% (d) 4%
7. 7.In how many years will ₹6000 earn ₹1680 simple interest at 7% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
8. 8.In how many years will ₹8500 earn ₹1190 simple interest at 7% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
9. 9.The simple interest on ₹5500 for 2 years is ₹1320. What is the rate per year? (a) 12% (b) 13% (c) 11% (d) 24%
10. 10.₹2500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹250 (b) ₹2750 (c) ₹2875 (d) ₹2625
11. 11.What is the simple interest on ₹9000 at 10% per year for 3 years? (a) ₹2700 (b) ₹11700 (c) ₹3600 (d) ₹900
12. 12.In how many years will ₹6500 earn ₹2275 simple interest at 7% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
13. 13.What is the simple interest on ₹8000 at 3% per year for 4 years? (a) ₹1200 (b) ₹960 (c) ₹240 (d) ₹8960
14. 14.In how many years will ₹3500 earn ₹210 simple interest at 2% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
15. 15.₹8000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹800 (b) ₹8160 (c) ₹8800 (d) ₹8960
16. 16.In how many years will ₹6500 earn ₹2860 simple interest at 11% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
17. 17.The simple interest on ₹10000 for 2 years is ₹1600. What is the rate per year? (a) 16% (b) 9% (c) 7% (d) 8%
18. 18.In how many years will ₹1000 earn ₹270 simple interest at 9% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
19. 19.In how many years will ₹4000 earn ₹2000 simple interest at 10% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
20. 20.₹1000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹1400 (b) ₹1080 (c) ₹1480 (d) ₹400
21. 21.In how many years will ₹5000 earn ₹400 simple interest at 4% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
22. 22.What is the simple interest on ₹1500 at 7% per year for 5 years? (a) ₹630 (b) ₹2025 (c) ₹525 (d) ₹105
23. 23.₹5500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1375 (b) ₹6875 (c) ₹7150 (d) ₹5775
24. 24.What is the simple interest on ₹9500 at 4% per year for 5 years? (a) ₹380 (b) ₹11400 (c) ₹1900 (d) ₹2280
25. 25.In how many years will ₹3000 earn ₹300 simple interest at 2% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
26. 26.₹3000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹3810 (b) ₹540 (c) ₹3540 (d) ₹3270
27. 27.The simple interest on ₹5000 for 4 years is ₹1400. What is the rate per year? (a) 28% (b) 7% (c) 8% (d) 6%
28. 28.In how many years will ₹5000 earn ₹1050 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
29. 29.What is the simple interest on ₹8000 at 7% per year for 5 years? (a) ₹560 (b) ₹3360 (c) ₹10800 (d) ₹2800
30. 30.The simple interest on ₹10000 for 5 years is ₹4000. What is the rate per year? (a) 7% (b) 9% (c) 8% (d) 40%
31. 31.₹5500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹5830 (b) ₹1650 (c) ₹7480 (d) ₹7150
32. 32.The simple interest on ₹9000 for 4 years is ₹2880. What is the rate per year? (a) 8% (b) 32% (c) 9% (d) 7%
33. 33.In how many years will ₹2500 earn ₹200 simple interest at 2% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
34. 34.In how many years will ₹2000 earn ₹1200 simple interest at 12% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
35. 35.₹4000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹4080 (b) ₹4320 (c) ₹4240 (d) ₹240
36. 36.The simple interest on ₹1000 for 2 years is ₹220. What is the rate per year? (a) 12% (b) 11% (c) 10% (d) 22%
37. 37.What is the simple interest on ₹5500 at 5% per year for 2 years? (a) ₹825 (b) ₹550 (c) ₹6050 (d) ₹275
38. 38.The simple interest on ₹5500 for 4 years is ₹1540. What is the rate per year? (a) 6% (b) 7% (c) 8% (d) 28%
39. 39.In how many years will ₹4000 earn ₹1440 simple interest at 12% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
40. 40.The simple interest on ₹2000 for 3 years is ₹420. What is the rate per year? (a) 21% (b) 6% (c) 8% (d) 7%

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