Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 305 · 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.In how many years will ₹3000 earn ₹180 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
2. 2.In how many years will ₹3500 earn ₹525 simple interest at 3% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
3. 3.What is the simple interest on ₹9000 at 11% per year for 2 years? (a) ₹10980 (b) ₹990 (c) ₹2970 (d) ₹1980
4. 4.₹3000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹810 (b) ₹3810 (c) ₹4080 (d) ₹3270
5. 5.₹7000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹7560 (b) ₹7420 (c) ₹7140 (d) ₹420
6. 6.₹2000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹2120 (b) ₹2360 (c) ₹2240 (d) ₹240
7. 7.The simple interest on ₹1000 for 4 years is ₹200. What is the rate per year? (a) 4% (b) 5% (c) 6% (d) 20%
8. 8.In how many years will ₹1500 earn ₹330 simple interest at 11% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
9. 9.What is the simple interest on ₹6000 at 8% per year for 2 years? (a) ₹6960 (b) ₹960 (c) ₹480 (d) ₹1440
10. 10.What is the simple interest on ₹5000 at 10% per year for 2 years? (a) ₹500 (b) ₹6000 (c) ₹1000 (d) ₹1500
11. 11.The simple interest on ₹8500 for 5 years is ₹1700. What is the rate per year? (a) 5% (b) 20% (c) 4% (d) 3%
12. 12.₹2500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹2625 (b) ₹2875 (c) ₹2750 (d) ₹250
13. 13.₹2000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹2480 (b) ₹2360 (c) ₹360 (d) ₹2120
14. 14.₹9000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹3960 (b) ₹13950 (c) ₹12960 (d) ₹9990
15. 15.What is the simple interest on ₹8000 at 4% per year for 2 years? (a) ₹960 (b) ₹640 (c) ₹320 (d) ₹8640
16. 16.₹5500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹6820 (b) ₹7150 (c) ₹1320 (d) ₹5830
17. 17.In how many years will ₹6500 earn ₹585 simple interest at 3% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
18. 18.What is the simple interest on ₹3500 at 2% per year for 4 years? (a) ₹350 (b) ₹70 (c) ₹3780 (d) ₹280
19. 19.₹6500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹6890 (b) ₹7670 (c) ₹8060 (d) ₹1170
20. 20.What is the simple interest on ₹2000 at 12% per year for 5 years? (a) ₹1440 (b) ₹3200 (c) ₹240 (d) ₹1200
21. 21.What is the simple interest on ₹2000 at 5% per year for 3 years? (a) ₹400 (b) ₹2300 (c) ₹300 (d) ₹100
22. 22.₹7500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹1500 (b) ₹9375 (c) ₹7875 (d) ₹9000
23. 23.In how many years will ₹2000 earn ₹240 simple interest at 6% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
24. 24.₹6500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹9360 (b) ₹7215 (c) ₹2860 (d) ₹10075
25. 25.₹3000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹3360 (b) ₹720 (c) ₹3720 (d) ₹4080
26. 26.₹5500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹5885 (b) ₹6655 (c) ₹1155 (d) ₹7040
27. 27.What is the simple interest on ₹2000 at 11% per year for 3 years? (a) ₹2660 (b) ₹880 (c) ₹220 (d) ₹660
28. 28.The simple interest on ₹2000 for 5 years is ₹500. What is the rate per year? (a) 4% (b) 6% (c) 5% (d) 25%
29. 29.The simple interest on ₹9000 for 2 years is ₹360. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 1%
30. 30.The simple interest on ₹2500 for 4 years is ₹700. What is the rate per year? (a) 6% (b) 28% (c) 7% (d) 8%
31. 31.₹1500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹1875 (b) ₹300 (c) ₹1800 (d) ₹1575
32. 32.The simple interest on ₹4000 for 3 years is ₹600. What is the rate per year? (a) 15% (b) 5% (c) 6% (d) 4%
33. 33.The simple interest on ₹8500 for 3 years is ₹1275. What is the rate per year? (a) 6% (b) 4% (c) 15% (d) 5%
34. 34.What is the simple interest on ₹9000 at 6% per year for 2 years? (a) ₹1080 (b) ₹10080 (c) ₹540 (d) ₹1620
35. 35.In how many years will ₹2000 earn ₹200 simple interest at 5% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
36. 36.What is the simple interest on ₹2500 at 3% per year for 4 years? (a) ₹2800 (b) ₹375 (c) ₹300 (d) ₹75
37. 37.The simple interest on ₹1500 for 4 years is ₹120. What is the rate per year? (a) 1% (b) 2% (c) 8% (d) 3%
38. 38.What is the simple interest on ₹5000 at 7% per year for 2 years? (a) ₹700 (b) ₹1050 (c) ₹5700 (d) ₹350
39. 39.In how many years will ₹4500 earn ₹2250 simple interest at 10% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
40. 40.The simple interest on ₹4000 for 2 years is ₹160. What is the rate per year? (a) 1% (b) 2% (c) 3% (d) 4%

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