Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 73 · 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 ₹6500 at 11% per year for 5 years? (a) ₹3575 (b) ₹715 (c) ₹10075 (d) ₹4290
2. 2.₹7000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹10850 (b) ₹3080 (c) ₹10080 (d) ₹7770
3. 3.The simple interest on ₹1500 for 2 years is ₹90. What is the rate per year? (a) 6% (b) 4% (c) 3% (d) 2%
4. 4.In how many years will ₹10000 earn ₹1200 simple interest at 6% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
5. 5.The simple interest on ₹2500 for 4 years is ₹1200. What is the rate per year? (a) 11% (b) 13% (c) 48% (d) 12%
6. 6.What is the simple interest on ₹6500 at 9% per year for 3 years? (a) ₹8255 (b) ₹585 (c) ₹2340 (d) ₹1755
7. 7.The simple interest on ₹10000 for 3 years is ₹600. What is the rate per year? (a) 1% (b) 6% (c) 2% (d) 3%
8. 8.₹4000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹5600 (b) ₹5200 (c) ₹1200 (d) ₹4400
9. 9.The simple interest on ₹3000 for 2 years is ₹360. What is the rate per year? (a) 12% (b) 5% (c) 6% (d) 7%
10. 10.₹4500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹4950 (b) ₹4725 (c) ₹450 (d) ₹5175
11. 11.The simple interest on ₹2000 for 4 years is ₹320. What is the rate per year? (a) 16% (b) 5% (c) 3% (d) 4%
12. 12.What is the simple interest on ₹7000 at 2% per year for 2 years? (a) ₹140 (b) ₹420 (c) ₹280 (d) ₹7280
13. 13.₹3500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹4620 (b) ₹3780 (c) ₹4900 (d) ₹1120
14. 14.What is the simple interest on ₹8500 at 6% per year for 2 years? (a) ₹1530 (b) ₹510 (c) ₹9520 (d) ₹1020
15. 15.What is the simple interest on ₹3500 at 12% per year for 2 years? (a) ₹420 (b) ₹4340 (c) ₹840 (d) ₹1260
16. 16.The simple interest on ₹5500 for 5 years is ₹2750. What is the rate per year? (a) 50% (b) 11% (c) 10% (d) 9%
17. 17.In how many years will ₹1500 earn ₹120 simple interest at 2% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
18. 18.In how many years will ₹10000 earn ₹2400 simple interest at 12% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
19. 19.In how many years will ₹7000 earn ₹1050 simple interest at 5% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
20. 20.What is the simple interest on ₹3500 at 5% per year for 4 years? (a) ₹4200 (b) ₹875 (c) ₹700 (d) ₹175
21. 21.In how many years will ₹1000 earn ₹250 simple interest at 5% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
22. 22.₹2500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹3625 (b) ₹2725 (c) ₹3850 (d) ₹1125
23. 23.In how many years will ₹2500 earn ₹200 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
24. 24.₹7000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹7560 (b) ₹7420 (c) ₹7140 (d) ₹420
25. 25.In how many years will ₹8000 earn ₹960 simple interest at 6% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
26. 26.₹4500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹5985 (b) ₹1485 (c) ₹4995 (d) ₹6480
27. 27.In how many years will ₹10000 earn ₹1200 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
28. 28.The simple interest on ₹3500 for 2 years is ₹700. What is the rate per year? (a) 9% (b) 20% (c) 10% (d) 11%
29. 29.What is the simple interest on ₹2500 at 9% per year for 2 years? (a) ₹450 (b) ₹675 (c) ₹2950 (d) ₹225
30. 30.The simple interest on ₹6000 for 2 years is ₹960. What is the rate per year? (a) 16% (b) 7% (c) 8% (d) 9%
31. 31.₹4500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1260 (b) ₹6075 (c) ₹5760 (d) ₹4815
32. 32.₹1500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹420 (b) ₹2025 (c) ₹1605 (d) ₹1920
33. 33.The simple interest on ₹3000 for 4 years is ₹960. What is the rate per year? (a) 32% (b) 8% (c) 9% (d) 7%
34. 34.What is the simple interest on ₹7000 at 7% per year for 2 years? (a) ₹980 (b) ₹490 (c) ₹7980 (d) ₹1470
35. 35.What is the simple interest on ₹7500 at 5% per year for 3 years? (a) ₹8625 (b) ₹1500 (c) ₹375 (d) ₹1125
36. 36.In how many years will ₹6000 earn ₹720 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
37. 37.₹3000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹3540 (b) ₹3360 (c) ₹360 (d) ₹3180
38. 38.In how many years will ₹9000 earn ₹720 simple interest at 4% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
39. 39.What is the simple interest on ₹1500 at 3% per year for 3 years? (a) ₹180 (b) ₹1635 (c) ₹45 (d) ₹135
40. 40.₹7000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹840 (b) ₹8120 (c) ₹7280 (d) ₹7840

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