Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 647 · 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 ₹3500 at 5% per year for 3 years? (a) ₹525 (b) ₹700 (c) ₹4025 (d) ₹175
2. 2.What is the simple interest on ₹3000 at 3% per year for 4 years? (a) ₹3360 (b) ₹90 (c) ₹360 (d) ₹450
3. 3.The simple interest on ₹1000 for 3 years is ₹180. What is the rate per year? (a) 7% (b) 6% (c) 5% (d) 18%
4. 4.₹6500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹7280 (b) ₹7020 (c) ₹520 (d) ₹6760
5. 5.The simple interest on ₹9000 for 2 years is ₹1260. What is the rate per year? (a) 14% (b) 7% (c) 8% (d) 6%
6. 6.₹8500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹3740 (b) ₹13175 (c) ₹12240 (d) ₹9435
7. 7.₹8000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹11840 (b) ₹8960 (c) ₹3840 (d) ₹12800
8. 8.What is the simple interest on ₹2500 at 8% per year for 5 years? (a) ₹3500 (b) ₹1200 (c) ₹200 (d) ₹1000
9. 9.What is the simple interest on ₹4000 at 9% per year for 2 years? (a) ₹4720 (b) ₹1080 (c) ₹360 (d) ₹720
10. 10.In how many years will ₹8500 earn ₹3060 simple interest at 12% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
11. 11.The simple interest on ₹8000 for 2 years is ₹480. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 6%
12. 12.₹3500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹3710 (b) ₹4550 (c) ₹840 (d) ₹4340
13. 13.₹2500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹250 (b) ₹2875 (c) ₹2625 (d) ₹2750
14. 14.What is the simple interest on ₹7500 at 5% per year for 3 years? (a) ₹8625 (b) ₹1125 (c) ₹1500 (d) ₹375
15. 15.₹1500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹1530 (b) ₹1620 (c) ₹1590 (d) ₹90
16. 16.The simple interest on ₹8500 for 3 years is ₹2295. What is the rate per year? (a) 8% (b) 10% (c) 27% (d) 9%
17. 17.What is the simple interest on ₹9000 at 12% per year for 5 years? (a) ₹1080 (b) ₹6480 (c) ₹5400 (d) ₹14400
18. 18.The simple interest on ₹6000 for 4 years is ₹720. What is the rate per year? (a) 12% (b) 3% (c) 2% (d) 4%
19. 19.₹1000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1060 (b) ₹1180 (c) ₹1120 (d) ₹120
20. 20.₹2000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹2480 (b) ₹320 (c) ₹2320 (d) ₹2160
21. 21.The simple interest on ₹1500 for 2 years is ₹150. What is the rate per year? (a) 10% (b) 5% (c) 4% (d) 6%
22. 22.What is the simple interest on ₹2000 at 2% per year for 3 years? (a) ₹160 (b) ₹40 (c) ₹120 (d) ₹2120
23. 23.₹6500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹780 (b) ₹7670 (c) ₹6890 (d) ₹7280
24. 24.What is the simple interest on ₹3500 at 10% per year for 4 years? (a) ₹1750 (b) ₹1400 (c) ₹4900 (d) ₹350
25. 25.In how many years will ₹7000 earn ₹1400 simple interest at 5% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
26. 26.₹1500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹1530 (b) ₹150 (c) ₹1650 (d) ₹1680
27. 27.What is the simple interest on ₹4000 at 11% per year for 3 years? (a) ₹1760 (b) ₹440 (c) ₹5320 (d) ₹1320
28. 28.The simple interest on ₹5000 for 2 years is ₹1200. What is the rate per year? (a) 12% (b) 24% (c) 11% (d) 13%
29. 29.₹5500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹6820 (b) ₹5830 (c) ₹7150 (d) ₹1320
30. 30.What is the simple interest on ₹6500 at 5% per year for 5 years? (a) ₹325 (b) ₹1950 (c) ₹8125 (d) ₹1625
31. 31.The simple interest on ₹9000 for 5 years is ₹3150. What is the rate per year? (a) 7% (b) 35% (c) 8% (d) 6%
32. 32.₹7500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹450 (b) ₹7950 (c) ₹7650 (d) ₹8100
33. 33.₹9000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹9180 (b) ₹540 (c) ₹9720 (d) ₹9540
34. 34.₹8500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹8840 (b) ₹9860 (c) ₹1360 (d) ₹10200
35. 35.In how many years will ₹4000 earn ₹2400 simple interest at 12% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
36. 36.The simple interest on ₹5000 for 3 years is ₹1650. What is the rate per year? (a) 12% (b) 10% (c) 11% (d) 33%
37. 37.What is the simple interest on ₹1500 at 3% per year for 2 years? (a) ₹135 (b) ₹1590 (c) ₹90 (d) ₹45
38. 38.What is the simple interest on ₹5500 at 12% per year for 3 years? (a) ₹1980 (b) ₹660 (c) ₹7480 (d) ₹2640
39. 39.The simple interest on ₹2000 for 2 years is ₹80. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 1%
40. 40.In how many years will ₹6500 earn ₹520 simple interest at 2% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years

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