Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 161 · 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 ₹3000 at 10% per year for 3 years? (a) ₹3900 (b) ₹1200 (c) ₹900 (d) ₹300
2. 2.₹1500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹1560 (b) ₹1530 (c) ₹1590 (d) ₹60
3. 3.What is the simple interest on ₹1500 at 7% per year for 4 years? (a) ₹1920 (b) ₹525 (c) ₹420 (d) ₹105
4. 4.₹1500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹825 (b) ₹1665 (c) ₹2325 (d) ₹2490
5. 5.The simple interest on ₹2500 for 5 years is ₹250. What is the rate per year? (a) 1% (b) 10% (c) 2% (d) 3%
6. 6.In how many years will ₹9500 earn ₹1900 simple interest at 4% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
7. 7.The simple interest on ₹4500 for 2 years is ₹720. What is the rate per year? (a) 7% (b) 9% (c) 16% (d) 8%
8. 8.The simple interest on ₹8500 for 3 years is ₹1530. What is the rate per year? (a) 5% (b) 6% (c) 7% (d) 18%
9. 9.What is the simple interest on ₹2000 at 12% per year for 2 years? (a) ₹2480 (b) ₹720 (c) ₹480 (d) ₹240
10. 10.What is the simple interest on ₹3500 at 10% per year for 2 years? (a) ₹350 (b) ₹700 (c) ₹1050 (d) ₹4200
11. 11.₹4000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹6880 (b) ₹4480 (c) ₹6400 (d) ₹2400
12. 12.What is the simple interest on ₹6000 at 10% per year for 2 years? (a) ₹1800 (b) ₹7200 (c) ₹600 (d) ₹1200
13. 13.What is the simple interest on ₹4000 at 11% per year for 5 years? (a) ₹440 (b) ₹6200 (c) ₹2640 (d) ₹2200
14. 14.The simple interest on ₹5500 for 3 years is ₹1980. What is the rate per year? (a) 36% (b) 13% (c) 11% (d) 12%
15. 15.₹7500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹7650 (b) ₹8250 (c) ₹600 (d) ₹8100
16. 16.The simple interest on ₹8000 for 4 years is ₹2880. What is the rate per year? (a) 10% (b) 36% (c) 8% (d) 9%
17. 17.The simple interest on ₹9500 for 2 years is ₹1520. What is the rate per year? (a) 16% (b) 9% (c) 7% (d) 8%
18. 18.The simple interest on ₹9000 for 3 years is ₹1080. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 12%
19. 19.What is the simple interest on ₹7500 at 7% per year for 3 years? (a) ₹525 (b) ₹2100 (c) ₹9075 (d) ₹1575
20. 20.The simple interest on ₹2500 for 2 years is ₹300. What is the rate per year? (a) 5% (b) 7% (c) 12% (d) 6%
21. 21.The simple interest on ₹8500 for 2 years is ₹340. What is the rate per year? (a) 3% (b) 1% (c) 4% (d) 2%
22. 22.₹7000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹7350 (b) ₹7700 (c) ₹700 (d) ₹8050
23. 23.What is the simple interest on ₹6000 at 4% per year for 4 years? (a) ₹1200 (b) ₹240 (c) ₹6960 (d) ₹960
24. 24.₹3500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹3920 (b) ₹3605 (c) ₹3815 (d) ₹315
25. 25.₹1500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1635 (b) ₹405 (c) ₹2040 (d) ₹1905
26. 26.₹10000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹11500 (b) ₹1200 (c) ₹11200 (d) ₹10300
27. 27.In how many years will ₹4500 earn ₹540 simple interest at 3% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
28. 28.In how many years will ₹6000 earn ₹1980 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
29. 29.₹7500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹7950 (b) ₹8175 (c) ₹450 (d) ₹7725
30. 30.The simple interest on ₹10000 for 2 years is ₹1400. What is the rate per year? (a) 14% (b) 6% (c) 8% (d) 7%
31. 31.The simple interest on ₹2500 for 2 years is ₹600. What is the rate per year? (a) 24% (b) 13% (c) 11% (d) 12%
32. 32.The simple interest on ₹10000 for 4 years is ₹2000. What is the rate per year? (a) 4% (b) 5% (c) 20% (d) 6%
33. 33.₹6000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹9960 (b) ₹3300 (c) ₹9300 (d) ₹6660
34. 34.The simple interest on ₹5000 for 5 years is ₹2500. What is the rate per year? (a) 50% (b) 9% (c) 10% (d) 11%
35. 35.What is the simple interest on ₹6500 at 11% per year for 3 years? (a) ₹715 (b) ₹2145 (c) ₹8645 (d) ₹2860
36. 36.What is the simple interest on ₹2500 at 9% per year for 5 years? (a) ₹1125 (b) ₹1350 (c) ₹3625 (d) ₹225
37. 37.In how many years will ₹3000 earn ₹1320 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
38. 38.The simple interest on ₹5500 for 5 years is ₹1650. What is the rate per year? (a) 5% (b) 30% (c) 6% (d) 7%
39. 39.The simple interest on ₹1500 for 2 years is ₹300. What is the rate per year? (a) 9% (b) 20% (c) 10% (d) 11%
40. 40.₹8000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹9280 (b) ₹8640 (c) ₹1280 (d) ₹9920

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