Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 612 · 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.The simple interest on ₹2000 for 2 years is ₹440. What is the rate per year? (a) 10% (b) 12% (c) 22% (d) 11%
2. 2.What is the simple interest on ₹3500 at 3% per year for 2 years? (a) ₹3710 (b) ₹105 (c) ₹315 (d) ₹210
3. 3.What is the simple interest on ₹1000 at 11% per year for 4 years? (a) ₹110 (b) ₹550 (c) ₹440 (d) ₹1440
4. 4.What is the simple interest on ₹1500 at 12% per year for 3 years? (a) ₹720 (b) ₹2040 (c) ₹540 (d) ₹180
5. 5.What is the simple interest on ₹4000 at 3% per year for 5 years? (a) ₹4600 (b) ₹120 (c) ₹720 (d) ₹600
6. 6.The simple interest on ₹1000 for 2 years is ₹80. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 8%
7. 7.₹3500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹4200 (b) ₹3675 (c) ₹4025 (d) ₹525
8. 8.What is the simple interest on ₹2500 at 4% per year for 4 years? (a) ₹500 (b) ₹2900 (c) ₹100 (d) ₹400
9. 9.₹2500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹2550 (b) ₹2700 (c) ₹150 (d) ₹2650
10. 10.In how many years will ₹5000 earn ₹1200 simple interest at 6% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
11. 11.₹5500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹9130 (b) ₹6105 (c) ₹8525 (d) ₹3025
12. 12.What is the simple interest on ₹6000 at 8% per year for 3 years? (a) ₹1440 (b) ₹7440 (c) ₹480 (d) ₹1920
13. 13.The simple interest on ₹3500 for 3 years is ₹1155. What is the rate per year? (a) 33% (b) 11% (c) 12% (d) 10%
14. 14.The simple interest on ₹2000 for 2 years is ₹80. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 1%
15. 15.In how many years will ₹3000 earn ₹1440 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
16. 16.The simple interest on ₹9500 for 4 years is ₹1900. What is the rate per year? (a) 6% (b) 4% (c) 20% (d) 5%
17. 17.In how many years will ₹5500 earn ₹1100 simple interest at 4% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
18. 18.The simple interest on ₹1000 for 4 years is ₹120. What is the rate per year? (a) 12% (b) 4% (c) 2% (d) 3%
19. 19.What is the simple interest on ₹7500 at 12% per year for 2 years? (a) ₹9300 (b) ₹1800 (c) ₹2700 (d) ₹900
20. 20.What is the simple interest on ₹8000 at 7% per year for 2 years? (a) ₹1680 (b) ₹9120 (c) ₹560 (d) ₹1120
21. 21.In how many years will ₹8500 earn ₹1870 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
22. 22.₹10000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹10900 (b) ₹13600 (c) ₹3600 (d) ₹14500
23. 23.In how many years will ₹8500 earn ₹1190 simple interest at 7% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
24. 24.The simple interest on ₹10000 for 3 years is ₹3000. What is the rate per year? (a) 30% (b) 9% (c) 10% (d) 11%
25. 25.The simple interest on ₹7000 for 3 years is ₹840. What is the rate per year? (a) 4% (b) 3% (c) 12% (d) 5%
26. 26.What is the simple interest on ₹9500 at 10% per year for 4 years? (a) ₹950 (b) ₹13300 (c) ₹3800 (d) ₹4750
27. 27.What is the simple interest on ₹8500 at 11% per year for 3 years? (a) ₹2805 (b) ₹11305 (c) ₹935 (d) ₹3740
28. 28.₹2000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹2420 (b) ₹420 (c) ₹2560 (d) ₹2140
29. 29.₹5000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹5350 (b) ₹1050 (c) ₹6400 (d) ₹6050
30. 30.In how many years will ₹2000 earn ₹960 simple interest at 12% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
31. 31.The simple interest on ₹2500 for 3 years is ₹525. What is the rate per year? (a) 6% (b) 21% (c) 7% (d) 8%
32. 32.The simple interest on ₹4000 for 2 years is ₹400. What is the rate per year? (a) 5% (b) 6% (c) 4% (d) 10%
33. 33.In how many years will ₹1500 earn ₹540 simple interest at 9% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
34. 34.In how many years will ₹2000 earn ₹120 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
35. 35.What is the simple interest on ₹10000 at 12% per year for 3 years? (a) ₹1200 (b) ₹4800 (c) ₹3600 (d) ₹13600
36. 36.The simple interest on ₹7000 for 4 years is ₹1120. What is the rate per year? (a) 5% (b) 3% (c) 16% (d) 4%
37. 37.₹4000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹4800 (b) ₹4160 (c) ₹4960 (d) ₹800
38. 38.In how many years will ₹9000 earn ₹720 simple interest at 4% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
39. 39.What is the simple interest on ₹7500 at 6% per year for 3 years? (a) ₹450 (b) ₹1800 (c) ₹1350 (d) ₹8850
40. 40.What is the simple interest on ₹1500 at 3% per year for 2 years? (a) ₹135 (b) ₹90 (c) ₹45 (d) ₹1590

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