Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 917 · 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 ₹1500 earn ₹360 simple interest at 12% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
2. 2.₹1500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹120 (b) ₹1560 (c) ₹1680 (d) ₹1620
3. 3.₹3500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹3920 (b) ₹4060 (c) ₹420 (d) ₹3640
4. 4.What is the simple interest on ₹5500 at 7% per year for 2 years? (a) ₹6270 (b) ₹385 (c) ₹770 (d) ₹1155
5. 5.₹3000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹3270 (b) ₹270 (c) ₹3090 (d) ₹3360
6. 6.What is the simple interest on ₹4500 at 5% per year for 4 years? (a) ₹1125 (b) ₹225 (c) ₹900 (d) ₹5400
7. 7.₹2500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹3000 (b) ₹500 (c) ₹3125 (d) ₹2625
8. 8.What is the simple interest on ₹10000 at 5% per year for 3 years? (a) ₹11500 (b) ₹1500 (c) ₹2000 (d) ₹500
9. 9.₹7500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹8025 (b) ₹1050 (c) ₹9075 (d) ₹8550
10. 10.₹1500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹1530 (b) ₹150 (c) ₹1650 (d) ₹1680
11. 11.What is the simple interest on ₹5000 at 3% per year for 4 years? (a) ₹600 (b) ₹5600 (c) ₹750 (d) ₹150
12. 12.The simple interest on ₹4000 for 4 years is ₹640. What is the rate per year? (a) 4% (b) 16% (c) 3% (d) 5%
13. 13.What is the simple interest on ₹2500 at 5% per year for 3 years? (a) ₹500 (b) ₹375 (c) ₹2875 (d) ₹125
14. 14.The simple interest on ₹2500 for 2 years is ₹250. What is the rate per year? (a) 6% (b) 4% (c) 10% (d) 5%
15. 15.What is the simple interest on ₹1500 at 8% per year for 5 years? (a) ₹2100 (b) ₹720 (c) ₹120 (d) ₹600
16. 16.What is the simple interest on ₹1500 at 6% per year for 2 years? (a) ₹270 (b) ₹1680 (c) ₹180 (d) ₹90
17. 17.In how many years will ₹3000 earn ₹420 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
18. 18.The simple interest on ₹9000 for 3 years is ₹1080. What is the rate per year? (a) 5% (b) 12% (c) 4% (d) 3%
19. 19.What is the simple interest on ₹3000 at 3% per year for 5 years? (a) ₹450 (b) ₹540 (c) ₹90 (d) ₹3450
20. 20.₹4500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1080 (b) ₹4770 (c) ₹5580 (d) ₹5850
21. 21.What is the simple interest on ₹1000 at 10% per year for 4 years? (a) ₹100 (b) ₹400 (c) ₹1400 (d) ₹500
22. 22.What is the simple interest on ₹6000 at 5% per year for 3 years? (a) ₹6900 (b) ₹300 (c) ₹1200 (d) ₹900
23. 23.₹7500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹7650 (b) ₹450 (c) ₹8100 (d) ₹7950
24. 24.What is the simple interest on ₹1500 at 3% per year for 2 years? (a) ₹90 (b) ₹45 (c) ₹135 (d) ₹1590
25. 25.What is the simple interest on ₹2000 at 8% per year for 3 years? (a) ₹640 (b) ₹2480 (c) ₹160 (d) ₹480
26. 26.The simple interest on ₹10000 for 4 years is ₹1200. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 12%
27. 27.₹6500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹7085 (b) ₹7670 (c) ₹8255 (d) ₹1170
28. 28.What is the simple interest on ₹3500 at 11% per year for 3 years? (a) ₹385 (b) ₹1155 (c) ₹4655 (d) ₹1540
29. 29.What is the simple interest on ₹3500 at 3% per year for 3 years? (a) ₹3815 (b) ₹420 (c) ₹315 (d) ₹105
30. 30.₹1000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1040 (b) ₹120 (c) ₹1120 (d) ₹1160
31. 31.What is the simple interest on ₹6000 at 8% per year for 2 years? (a) ₹960 (b) ₹6960 (c) ₹1440 (d) ₹480
32. 32.What is the simple interest on ₹5500 at 9% per year for 2 years? (a) ₹1485 (b) ₹6490 (c) ₹990 (d) ₹495
33. 33.The simple interest on ₹1000 for 3 years is ₹330. What is the rate per year? (a) 11% (b) 33% (c) 12% (d) 10%
34. 34.What is the simple interest on ₹5000 at 8% per year for 5 years? (a) ₹7000 (b) ₹2400 (c) ₹400 (d) ₹2000
35. 35.₹5000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1500 (b) ₹6500 (c) ₹5500 (d) ₹7000
36. 36.The simple interest on ₹1000 for 2 years is ₹60. What is the rate per year? (a) 6% (b) 4% (c) 2% (d) 3%
37. 37.What is the simple interest on ₹8500 at 9% per year for 3 years? (a) ₹10795 (b) ₹2295 (c) ₹765 (d) ₹3060
38. 38.₹1000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹450 (b) ₹1090 (c) ₹1540 (d) ₹1450
39. 39.The simple interest on ₹7500 for 3 years is ₹1125. What is the rate per year? (a) 4% (b) 15% (c) 5% (d) 6%
40. 40.What is the simple interest on ₹3500 at 4% per year for 5 years? (a) ₹4200 (b) ₹840 (c) ₹140 (d) ₹700

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