Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 433 · 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.₹9000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹1350 (b) ₹10350 (c) ₹10800 (d) ₹9450
2. 2.What is the simple interest on ₹8000 at 9% per year for 3 years? (a) ₹10160 (b) ₹2880 (c) ₹720 (d) ₹2160
3. 3.What is the simple interest on ₹9500 at 12% per year for 3 years? (a) ₹12920 (b) ₹4560 (c) ₹1140 (d) ₹3420
4. 4.In how many years will ₹2000 earn ₹120 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
5. 5.₹3500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹3850 (b) ₹5600 (c) ₹1750 (d) ₹5250
6. 6.What is the simple interest on ₹6500 at 2% per year for 3 years? (a) ₹6890 (b) ₹520 (c) ₹130 (d) ₹390
7. 7.In how many years will ₹7000 earn ₹420 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
8. 8.What is the simple interest on ₹4500 at 9% per year for 3 years? (a) ₹1215 (b) ₹5715 (c) ₹405 (d) ₹1620
9. 9.What is the simple interest on ₹8500 at 7% per year for 3 years? (a) ₹10285 (b) ₹595 (c) ₹2380 (d) ₹1785
10. 10.In how many years will ₹1000 earn ₹90 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
11. 11.In how many years will ₹2500 earn ₹225 simple interest at 3% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
12. 12.The simple interest on ₹9500 for 2 years is ₹1140. What is the rate per year? (a) 7% (b) 12% (c) 6% (d) 5%
13. 13.What is the simple interest on ₹7000 at 2% per year for 5 years? (a) ₹140 (b) ₹7700 (c) ₹840 (d) ₹700
14. 14.₹3500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹4900 (b) ₹3780 (c) ₹1120 (d) ₹4620
15. 15.What is the simple interest on ₹6000 at 10% per year for 2 years? (a) ₹600 (b) ₹1800 (c) ₹1200 (d) ₹7200
16. 16.What is the simple interest on ₹4000 at 8% per year for 5 years? (a) ₹320 (b) ₹5600 (c) ₹1920 (d) ₹1600
17. 17.What is the simple interest on ₹2500 at 7% per year for 3 years? (a) ₹525 (b) ₹3025 (c) ₹175 (d) ₹700
18. 18.In how many years will ₹8000 earn ₹1920 simple interest at 8% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
19. 19.What is the simple interest on ₹3000 at 10% per year for 5 years? (a) ₹4500 (b) ₹1800 (c) ₹1500 (d) ₹300
20. 20.What is the simple interest on ₹3500 at 4% per year for 4 years? (a) ₹700 (b) ₹560 (c) ₹4060 (d) ₹140
21. 21.What is the simple interest on ₹2000 at 4% per year for 5 years? (a) ₹80 (b) ₹2400 (c) ₹480 (d) ₹400
22. 22.The simple interest on ₹3000 for 2 years is ₹480. What is the rate per year? (a) 7% (b) 9% (c) 8% (d) 16%
23. 23.₹9000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹9810 (b) ₹11430 (c) ₹12240 (d) ₹2430
24. 24.What is the simple interest on ₹2000 at 11% per year for 2 years? (a) ₹2440 (b) ₹220 (c) ₹660 (d) ₹440
25. 25.The simple interest on ₹3000 for 4 years is ₹1080. What is the rate per year? (a) 36% (b) 9% (c) 8% (d) 10%
26. 26.The simple interest on ₹6500 for 4 years is ₹2860. What is the rate per year? (a) 10% (b) 11% (c) 44% (d) 12%
27. 27.The simple interest on ₹6000 for 5 years is ₹1500. What is the rate per year? (a) 5% (b) 6% (c) 25% (d) 4%
28. 28.What is the simple interest on ₹3000 at 9% per year for 3 years? (a) ₹810 (b) ₹270 (c) ₹1080 (d) ₹3810
29. 29.In how many years will ₹4000 earn ₹960 simple interest at 12% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
30. 30.₹2500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹200 (b) ₹2750 (c) ₹2700 (d) ₹2550
31. 31.₹10000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹10300 (b) ₹11500 (c) ₹1500 (d) ₹11800
32. 32.In how many years will ₹6000 earn ₹1440 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
33. 33.What is the simple interest on ₹4500 at 2% per year for 2 years? (a) ₹270 (b) ₹180 (c) ₹4680 (d) ₹90
34. 34.What is the simple interest on ₹1000 at 6% per year for 2 years? (a) ₹60 (b) ₹120 (c) ₹180 (d) ₹1120
35. 35.What is the simple interest on ₹8500 at 2% per year for 4 years? (a) ₹9180 (b) ₹850 (c) ₹680 (d) ₹170
36. 36.The simple interest on ₹5500 for 5 years is ₹1375. What is the rate per year? (a) 6% (b) 25% (c) 5% (d) 4%
37. 37.₹1500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹1590 (b) ₹1530 (c) ₹1560 (d) ₹60
38. 38.₹2500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹2875 (b) ₹2575 (c) ₹375 (d) ₹2950
39. 39.The simple interest on ₹5000 for 4 years is ₹400. What is the rate per year? (a) 8% (b) 2% (c) 3% (d) 1%
40. 40.The simple interest on ₹5000 for 3 years is ₹1350. What is the rate per year? (a) 10% (b) 9% (c) 27% (d) 8%

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