Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 687 · 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.₹3500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹4200 (b) ₹3850 (c) ₹700 (d) ₹4550
2. 2.What is the simple interest on ₹3500 at 10% per year for 2 years? (a) ₹4200 (b) ₹350 (c) ₹700 (d) ₹1050
3. 3.What is the simple interest on ₹8500 at 8% per year for 3 years? (a) ₹2720 (b) ₹680 (c) ₹2040 (d) ₹10540
4. 4.What is the simple interest on ₹9000 at 10% per year for 2 years? (a) ₹10800 (b) ₹2700 (c) ₹900 (d) ₹1800
5. 5.What is the simple interest on ₹9500 at 3% per year for 2 years? (a) ₹570 (b) ₹855 (c) ₹285 (d) ₹10070
6. 6.₹3500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹2100 (b) ₹3920 (c) ₹5600 (d) ₹6020
7. 7.₹4500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹675 (b) ₹5400 (c) ₹4725 (d) ₹5175
8. 8.What is the simple interest on ₹1500 at 8% per year for 5 years? (a) ₹720 (b) ₹2100 (c) ₹120 (d) ₹600
9. 9.What is the simple interest on ₹4000 at 10% per year for 2 years? (a) ₹4800 (b) ₹1200 (c) ₹400 (d) ₹800
10. 10.What is the simple interest on ₹5500 at 12% per year for 3 years? (a) ₹7480 (b) ₹660 (c) ₹2640 (d) ₹1980
11. 11.The simple interest on ₹3500 for 4 years is ₹1260. What is the rate per year? (a) 9% (b) 8% (c) 10% (d) 36%
12. 12.What is the simple interest on ₹5000 at 7% per year for 2 years? (a) ₹5700 (b) ₹350 (c) ₹700 (d) ₹1050
13. 13.In how many years will ₹4500 earn ₹900 simple interest at 4% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
14. 14.What is the simple interest on ₹8500 at 3% per year for 4 years? (a) ₹1020 (b) ₹9520 (c) ₹255 (d) ₹1275
15. 15.What is the simple interest on ₹6000 at 10% per year for 5 years? (a) ₹3600 (b) ₹9000 (c) ₹600 (d) ₹3000
16. 16.What is the simple interest on ₹1500 at 6% per year for 4 years? (a) ₹360 (b) ₹90 (c) ₹450 (d) ₹1860
17. 17.The simple interest on ₹3000 for 4 years is ₹240. What is the rate per year? (a) 8% (b) 3% (c) 1% (d) 2%
18. 18.What is the simple interest on ₹4000 at 5% per year for 2 years? (a) ₹600 (b) ₹4400 (c) ₹200 (d) ₹400
19. 19.In how many years will ₹8000 earn ₹2400 simple interest at 6% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
20. 20.What is the simple interest on ₹9000 at 6% per year for 4 years? (a) ₹11160 (b) ₹540 (c) ₹2700 (d) ₹2160
21. 21.₹2000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹2140 (b) ₹560 (c) ₹2560 (d) ₹2700
22. 22.₹2500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹2900 (b) ₹300 (c) ₹2600 (d) ₹2800
23. 23.The simple interest on ₹5000 for 4 years is ₹2400. What is the rate per year? (a) 48% (b) 13% (c) 12% (d) 11%
24. 24.What is the simple interest on ₹3500 at 5% per year for 4 years? (a) ₹4200 (b) ₹175 (c) ₹700 (d) ₹875
25. 25.What is the simple interest on ₹8500 at 8% per year for 2 years? (a) ₹680 (b) ₹1360 (c) ₹2040 (d) ₹9860
26. 26.₹3500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹3920 (b) ₹3605 (c) ₹315 (d) ₹3815
27. 27.What is the simple interest on ₹7000 at 3% per year for 5 years? (a) ₹8050 (b) ₹1260 (c) ₹210 (d) ₹1050
28. 28.What is the simple interest on ₹10000 at 2% per year for 4 years? (a) ₹200 (b) ₹10800 (c) ₹1000 (d) ₹800
29. 29.The simple interest on ₹5000 for 4 years is ₹1000. What is the rate per year? (a) 4% (b) 6% (c) 20% (d) 5%
30. 30.In how many years will ₹5000 earn ₹1800 simple interest at 9% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
31. 31.What is the simple interest on ₹3500 at 4% per year for 5 years? (a) ₹140 (b) ₹4200 (c) ₹700 (d) ₹840
32. 32.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
33. 33.In how many years will ₹3000 earn ₹1350 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
34. 34.In how many years will ₹9000 earn ₹900 simple interest at 2% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
35. 35.₹3000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹3480 (b) ₹3360 (c) ₹360 (d) ₹3120
36. 36.The simple interest on ₹8000 for 2 years is ₹320. What is the rate per year? (a) 3% (b) 1% (c) 4% (d) 2%
37. 37.₹9000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹9540 (b) ₹10620 (c) ₹1620 (d) ₹11160
38. 38.The simple interest on ₹3500 for 3 years is ₹1260. What is the rate per year? (a) 36% (b) 13% (c) 12% (d) 11%
39. 39.In how many years will ₹1500 earn ₹525 simple interest at 7% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
40. 40.₹2000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹2400 (b) ₹2300 (c) ₹2100 (d) ₹300

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