Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 677 · 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.What is the simple interest on ₹2000 at 2% per year for 2 years? (a) ₹120 (b) ₹2080 (c) ₹40 (d) ₹80
2. 2.What is the simple interest on ₹2000 at 8% per year for 5 years? (a) ₹960 (b) ₹800 (c) ₹2800 (d) ₹160
3. 3.₹4500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹540 (b) ₹4680 (c) ₹5220 (d) ₹5040
4. 4.₹4500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹6075 (b) ₹5760 (c) ₹1260 (d) ₹4815
5. 5.₹4000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹4400 (b) ₹4320 (c) ₹320 (d) ₹4080
6. 6.In how many years will ₹9500 earn ₹5225 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
7. 7.What is the simple interest on ₹7000 at 10% per year for 4 years? (a) ₹3500 (b) ₹700 (c) ₹9800 (d) ₹2800
8. 8.What is the simple interest on ₹9500 at 10% per year for 2 years? (a) ₹2850 (b) ₹11400 (c) ₹950 (d) ₹1900
9. 9.What is the simple interest on ₹6000 at 4% per year for 3 years? (a) ₹960 (b) ₹240 (c) ₹6720 (d) ₹720
10. 10.₹9000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹11160 (b) ₹10800 (c) ₹9360 (d) ₹1800
11. 11.In how many years will ₹9500 earn ₹3040 simple interest at 8% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
12. 12.What is the simple interest on ₹3000 at 12% per year for 3 years? (a) ₹360 (b) ₹4080 (c) ₹1080 (d) ₹1440
13. 13.The simple interest on ₹8500 for 5 years is ₹5100. What is the rate per year? (a) 60% (b) 13% (c) 12% (d) 11%
14. 14.₹6500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹8450 (b) ₹7800 (c) ₹7150 (d) ₹1300
15. 15.What is the simple interest on ₹6500 at 7% per year for 2 years? (a) ₹455 (b) ₹910 (c) ₹1365 (d) ₹7410
16. 16.What is the simple interest on ₹9500 at 3% per year for 4 years? (a) ₹10640 (b) ₹1140 (c) ₹285 (d) ₹1425
17. 17.The simple interest on ₹1500 for 5 years is ₹300. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 20%
18. 18.In how many years will ₹3000 earn ₹540 simple interest at 9% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
19. 19.In how many years will ₹10000 earn ₹4800 simple interest at 12% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
20. 20.₹1500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1665 (b) ₹1995 (c) ₹330 (d) ₹1830
21. 21.The simple interest on ₹5500 for 4 years is ₹1320. What is the rate per year? (a) 24% (b) 6% (c) 7% (d) 5%
22. 22.₹3000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹3300 (b) ₹4500 (c) ₹4200 (d) ₹1200
23. 23.What is the simple interest on ₹1000 at 3% per year for 3 years? (a) ₹1090 (b) ₹120 (c) ₹30 (d) ₹90
24. 24.In how many years will ₹9500 earn ₹760 simple interest at 2% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
25. 25.What is the simple interest on ₹2000 at 5% per year for 2 years? (a) ₹100 (b) ₹300 (c) ₹2200 (d) ₹200
26. 26.The simple interest on ₹3000 for 3 years is ₹630. What is the rate per year? (a) 6% (b) 21% (c) 7% (d) 8%
27. 27.What is the simple interest on ₹7500 at 9% per year for 5 years? (a) ₹3375 (b) ₹675 (c) ₹10875 (d) ₹4050
28. 28.The simple interest on ₹9500 for 5 years is ₹1425. What is the rate per year? (a) 3% (b) 15% (c) 4% (d) 2%
29. 29.The simple interest on ₹3500 for 4 years is ₹420. What is the rate per year? (a) 12% (b) 3% (c) 4% (d) 2%
30. 30.₹5500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹6875 (b) ₹1100 (c) ₹5775 (d) ₹6600
31. 31.In how many years will ₹1500 earn ₹405 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
32. 32.What is the simple interest on ₹6500 at 7% per year for 4 years? (a) ₹2275 (b) ₹8320 (c) ₹1820 (d) ₹455
33. 33.What is the simple interest on ₹1500 at 2% per year for 2 years? (a) ₹30 (b) ₹1560 (c) ₹90 (d) ₹60
34. 34.In how many years will ₹1000 earn ₹320 simple interest at 8% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
35. 35.What is the simple interest on ₹1500 at 7% per year for 2 years? (a) ₹105 (b) ₹1710 (c) ₹315 (d) ₹210
36. 36.In how many years will ₹7000 earn ₹1120 simple interest at 8% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
37. 37.₹4500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹2700 (b) ₹5040 (c) ₹7740 (d) ₹7200
38. 38.What is the simple interest on ₹2000 at 11% per year for 3 years? (a) ₹220 (b) ₹660 (c) ₹2660 (d) ₹880
39. 39.What is the simple interest on ₹7000 at 5% per year for 2 years? (a) ₹7700 (b) ₹700 (c) ₹350 (d) ₹1050
40. 40.What is the simple interest on ₹8500 at 8% per year for 3 years? (a) ₹10540 (b) ₹2720 (c) ₹680 (d) ₹2040

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