Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 643 · 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 ₹4000 for 5 years is ₹400. What is the rate per year? (a) 10% (b) 3% (c) 2% (d) 1%
2. 2.What is the simple interest on ₹6500 at 7% per year for 5 years? (a) ₹2730 (b) ₹2275 (c) ₹8775 (d) ₹455
3. 3.The simple interest on ₹9500 for 2 years is ₹2090. What is the rate per year? (a) 22% (b) 10% (c) 12% (d) 11%
4. 4.₹9000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹9720 (b) ₹9180 (c) ₹540 (d) ₹9540
5. 5.What is the simple interest on ₹6500 at 2% per year for 3 years? (a) ₹520 (b) ₹130 (c) ₹6890 (d) ₹390
6. 6.The simple interest on ₹4500 for 2 years is ₹270. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 6%
7. 7.₹3000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹3300 (b) ₹600 (c) ₹3900 (d) ₹3600
8. 8.What is the simple interest on ₹1000 at 3% per year for 4 years? (a) ₹1120 (b) ₹30 (c) ₹150 (d) ₹120
9. 9.The simple interest on ₹7500 for 2 years is ₹1200. What is the rate per year? (a) 9% (b) 16% (c) 8% (d) 7%
10. 10.In how many years will ₹5000 earn ₹800 simple interest at 4% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
11. 11.The simple interest on ₹3000 for 5 years is ₹750. What is the rate per year? (a) 6% (b) 25% (c) 4% (d) 5%
12. 12.₹2000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹2600 (b) ₹2120 (c) ₹600 (d) ₹2720
13. 13.₹1500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹2220 (b) ₹2040 (c) ₹540 (d) ₹1680
14. 14.In how many years will ₹9000 earn ₹2160 simple interest at 8% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
15. 15.In how many years will ₹5000 earn ₹2000 simple interest at 8% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
16. 16.₹3000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹3240 (b) ₹3300 (c) ₹3060 (d) ₹240
17. 17.The simple interest on ₹6500 for 2 years is ₹390. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 6%
18. 18.In how many years will ₹2500 earn ₹450 simple interest at 6% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
19. 19.₹8000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹8720 (b) ₹480 (c) ₹8480 (d) ₹8240
20. 20.In how many years will ₹4000 earn ₹1200 simple interest at 10% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
21. 21.What is the simple interest on ₹8500 at 4% per year for 3 years? (a) ₹1020 (b) ₹1360 (c) ₹9520 (d) ₹340
22. 22.₹5000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹5100 (b) ₹5300 (c) ₹200 (d) ₹5200
23. 23.What is the simple interest on ₹9000 at 2% per year for 4 years? (a) ₹720 (b) ₹900 (c) ₹9720 (d) ₹180
24. 24.₹4000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹4240 (b) ₹4960 (c) ₹960 (d) ₹5200
25. 25.In how many years will ₹7500 earn ₹2625 simple interest at 7% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
26. 26.The simple interest on ₹2000 for 3 years is ₹240. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 12%
27. 27.₹10000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1200 (b) ₹11200 (c) ₹11800 (d) ₹10600
28. 28.The simple interest on ₹9000 for 2 years is ₹2160. What is the rate per year? (a) 13% (b) 24% (c) 11% (d) 12%
29. 29.₹6000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹2100 (b) ₹8520 (c) ₹8100 (d) ₹6420
30. 30.₹6000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹6660 (b) ₹8640 (c) ₹1980 (d) ₹7980
31. 31.In how many years will ₹1500 earn ₹540 simple interest at 9% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
32. 32.The simple interest on ₹8000 for 4 years is ₹3200. What is the rate per year? (a) 9% (b) 40% (c) 11% (d) 10%
33. 33.₹7500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹10200 (b) ₹8175 (c) ₹9525 (d) ₹2025
34. 34.In how many years will ₹1500 earn ₹540 simple interest at 12% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
35. 35.The simple interest on ₹9000 for 4 years is ₹3600. What is the rate per year? (a) 11% (b) 10% (c) 40% (d) 9%
36. 36.₹7500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹450 (b) ₹7950 (c) ₹7725 (d) ₹8175
37. 37.What is the simple interest on ₹9500 at 2% per year for 5 years? (a) ₹190 (b) ₹950 (c) ₹1140 (d) ₹10450
38. 38.₹1500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1590 (b) ₹1770 (c) ₹1680 (d) ₹180
39. 39.The simple interest on ₹1000 for 3 years is ₹210. What is the rate per year? (a) 8% (b) 21% (c) 6% (d) 7%
40. 40.The simple interest on ₹3500 for 3 years is ₹315. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 9%

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad