Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 411 · 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.₹6000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹6600 (b) ₹8400 (c) ₹1800 (d) ₹7800
2. 2.What is the simple interest on ₹6000 at 4% per year for 4 years? (a) ₹1200 (b) ₹6960 (c) ₹960 (d) ₹240
3. 3.In how many years will ₹3000 earn ₹720 simple interest at 8% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
4. 4.₹5000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹2750 (b) ₹8300 (c) ₹7750 (d) ₹5550
5. 5.The simple interest on ₹8500 for 5 years is ₹2125. What is the rate per year? (a) 6% (b) 4% (c) 5% (d) 25%
6. 6.What is the simple interest on ₹6500 at 5% per year for 4 years? (a) ₹1625 (b) ₹1300 (c) ₹7800 (d) ₹325
7. 7.The simple interest on ₹2000 for 5 years is ₹400. What is the rate per year? (a) 5% (b) 4% (c) 20% (d) 3%
8. 8.The simple interest on ₹6500 for 4 years is ₹2340. What is the rate per year? (a) 8% (b) 9% (c) 10% (d) 36%
9. 9.The simple interest on ₹5000 for 4 years is ₹400. What is the rate per year? (a) 3% (b) 8% (c) 2% (d) 1%
10. 10.In how many years will ₹5500 earn ₹1100 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
11. 11.In how many years will ₹2000 earn ₹200 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
12. 12.What is the simple interest on ₹3500 at 7% per year for 2 years? (a) ₹245 (b) ₹735 (c) ₹3990 (d) ₹490
13. 13.What is the simple interest on ₹8500 at 11% per year for 4 years? (a) ₹935 (b) ₹12240 (c) ₹4675 (d) ₹3740
14. 14.In how many years will ₹3000 earn ₹360 simple interest at 3% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
15. 15.In how many years will ₹2000 earn ₹720 simple interest at 12% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
16. 16.In how many years will ₹1500 earn ₹180 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
17. 17.₹2000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹280 (b) ₹2280 (c) ₹2420 (d) ₹2140
18. 18.What is the simple interest on ₹10000 at 3% per year for 5 years? (a) ₹1800 (b) ₹300 (c) ₹1500 (d) ₹11500
19. 19.In how many years will ₹2500 earn ₹100 simple interest at 2% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
20. 20.What is the simple interest on ₹6500 at 2% per year for 3 years? (a) ₹520 (b) ₹130 (c) ₹390 (d) ₹6890
21. 21.₹8000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹8320 (b) ₹960 (c) ₹8960 (d) ₹9280
22. 22.In how many years will ₹3500 earn ₹525 simple interest at 5% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
23. 23.The simple interest on ₹4000 for 2 years is ₹880. What is the rate per year? (a) 12% (b) 22% (c) 10% (d) 11%
24. 24.In how many years will ₹3000 earn ₹750 simple interest at 5% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
25. 25.The simple interest on ₹5500 for 5 years is ₹1375. What is the rate per year? (a) 4% (b) 25% (c) 6% (d) 5%
26. 26.₹3500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹3920 (b) ₹3640 (c) ₹3780 (d) ₹280
27. 27.In how many years will ₹10000 earn ₹1200 simple interest at 6% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
28. 28.What is the simple interest on ₹7500 at 4% per year for 2 years? (a) ₹600 (b) ₹8100 (c) ₹900 (d) ₹300
29. 29.What is the simple interest on ₹4500 at 7% per year for 4 years? (a) ₹1260 (b) ₹5760 (c) ₹1575 (d) ₹315
30. 30.₹5000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹5350 (b) ₹6400 (c) ₹6050 (d) ₹1050
31. 31.In how many years will ₹5500 earn ₹825 simple interest at 3% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
32. 32.₹5500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹825 (b) ₹6490 (c) ₹6325 (d) ₹5665
33. 33.₹4500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹6075 (b) ₹4815 (c) ₹1575 (d) ₹6390
34. 34.What is the simple interest on ₹6500 at 7% per year for 3 years? (a) ₹7865 (b) ₹1365 (c) ₹1820 (d) ₹455
35. 35.The simple interest on ₹1500 for 4 years is ₹120. What is the rate per year? (a) 2% (b) 3% (c) 8% (d) 1%
36. 36.What is the simple interest on ₹3000 at 6% per year for 3 years? (a) ₹540 (b) ₹720 (c) ₹180 (d) ₹3540
37. 37.What is the simple interest on ₹6000 at 9% per year for 5 years? (a) ₹540 (b) ₹2700 (c) ₹8700 (d) ₹3240
38. 38.The simple interest on ₹8000 for 3 years is ₹2880. What is the rate per year? (a) 13% (b) 11% (c) 12% (d) 36%
39. 39.What is the simple interest on ₹8500 at 11% per year for 3 years? (a) ₹3740 (b) ₹935 (c) ₹11305 (d) ₹2805
40. 40.₹6500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1560 (b) ₹6890 (c) ₹8060 (d) ₹8450

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