Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 74 · 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.₹1000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹1180 (b) ₹1030 (c) ₹1150 (d) ₹150
2. 2.₹6000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹6480 (b) ₹6600 (c) ₹480 (d) ₹6120
3. 3.In how many years will ₹5000 earn ₹700 simple interest at 7% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
4. 4.₹1000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1400 (b) ₹1100 (c) ₹300 (d) ₹1300
5. 5.What is the simple interest on ₹8500 at 8% per year for 5 years? (a) ₹4080 (b) ₹680 (c) ₹3400 (d) ₹11900
6. 6.The simple interest on ₹3500 for 2 years is ₹700. What is the rate per year? (a) 20% (b) 9% (c) 10% (d) 11%
7. 7.The simple interest on ₹1500 for 4 years is ₹720. What is the rate per year? (a) 11% (b) 12% (c) 13% (d) 48%
8. 8.The simple interest on ₹9500 for 4 years is ₹3420. What is the rate per year? (a) 8% (b) 36% (c) 10% (d) 9%
9. 9.The simple interest on ₹1000 for 4 years is ₹200. What is the rate per year? (a) 6% (b) 20% (c) 5% (d) 4%
10. 10.What is the simple interest on ₹4500 at 3% per year for 4 years? (a) ₹675 (b) ₹135 (c) ₹5040 (d) ₹540
11. 11.₹6000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹6720 (b) ₹2160 (c) ₹8880 (d) ₹8160
12. 12.What is the simple interest on ₹7000 at 2% per year for 4 years? (a) ₹700 (b) ₹560 (c) ₹140 (d) ₹7560
13. 13.What is the simple interest on ₹9000 at 2% per year for 5 years? (a) ₹1080 (b) ₹180 (c) ₹9900 (d) ₹900
14. 14.In how many years will ₹4000 earn ₹1120 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
15. 15.What is the simple interest on ₹8500 at 6% per year for 5 years? (a) ₹11050 (b) ₹510 (c) ₹2550 (d) ₹3060
16. 16.What is the simple interest on ₹5500 at 7% per year for 2 years? (a) ₹770 (b) ₹1155 (c) ₹385 (d) ₹6270
17. 17.The simple interest on ₹4000 for 5 years is ₹2400. What is the rate per year? (a) 60% (b) 12% (c) 13% (d) 11%
18. 18.₹3500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹3920 (b) ₹280 (c) ₹3780 (d) ₹3640
19. 19.What is the simple interest on ₹9000 at 4% per year for 4 years? (a) ₹1800 (b) ₹10440 (c) ₹360 (d) ₹1440
20. 20.The simple interest on ₹5500 for 4 years is ₹440. What is the rate per year? (a) 3% (b) 8% (c) 2% (d) 1%
21. 21.In how many years will ₹4000 earn ₹240 simple interest at 3% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
22. 22.What is the simple interest on ₹6000 at 6% per year for 5 years? (a) ₹7800 (b) ₹2160 (c) ₹1800 (d) ₹360
23. 23.What is the simple interest on ₹1500 at 5% per year for 4 years? (a) ₹375 (b) ₹75 (c) ₹300 (d) ₹1800
24. 24.In how many years will ₹7500 earn ₹2250 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
25. 25.What is the simple interest on ₹2000 at 5% per year for 3 years? (a) ₹400 (b) ₹300 (c) ₹2300 (d) ₹100
26. 26.The simple interest on ₹1000 for 4 years is ₹440. What is the rate per year? (a) 10% (b) 44% (c) 11% (d) 12%
27. 27.What is the simple interest on ₹1500 at 2% per year for 2 years? (a) ₹1560 (b) ₹30 (c) ₹60 (d) ₹90
28. 28.The simple interest on ₹9500 for 2 years is ₹1140. What is the rate per year? (a) 12% (b) 7% (c) 5% (d) 6%
29. 29.What is the simple interest on ₹3500 at 5% per year for 3 years? (a) ₹525 (b) ₹175 (c) ₹4025 (d) ₹700
30. 30.What is the simple interest on ₹6500 at 6% per year for 5 years? (a) ₹8450 (b) ₹2340 (c) ₹1950 (d) ₹390
31. 31.₹9000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹9180 (b) ₹9540 (c) ₹540 (d) ₹9720
32. 32.What is the simple interest on ₹8000 at 3% per year for 3 years? (a) ₹8720 (b) ₹720 (c) ₹960 (d) ₹240
33. 33.₹1000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹160 (b) ₹1160 (c) ₹1080 (d) ₹1240
34. 34.The simple interest on ₹4500 for 2 years is ₹360. What is the rate per year? (a) 4% (b) 5% (c) 8% (d) 3%
35. 35.In how many years will ₹4500 earn ₹540 simple interest at 4% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
36. 36.In how many years will ₹2000 earn ₹200 simple interest at 2% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
37. 37.The simple interest on ₹2500 for 2 years is ₹350. What is the rate per year? (a) 14% (b) 6% (c) 8% (d) 7%
38. 38.The simple interest on ₹5500 for 4 years is ₹1980. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 36%
39. 39.The simple interest on ₹9000 for 3 years is ₹540. What is the rate per year? (a) 2% (b) 3% (c) 6% (d) 1%
40. 40.What is the simple interest on ₹3000 at 5% per year for 2 years? (a) ₹300 (b) ₹150 (c) ₹3300 (d) ₹450

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