Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 282 · 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 ₹3000 for 2 years is ₹180. What is the rate per year? (a) 3% (b) 6% (c) 2% (d) 4%
2. 2.The simple interest on ₹3000 for 3 years is ₹270. What is the rate per year? (a) 2% (b) 9% (c) 3% (d) 4%
3. 3.What is the simple interest on ₹1500 at 7% per year for 4 years? (a) ₹525 (b) ₹1920 (c) ₹105 (d) ₹420
4. 4.What is the simple interest on ₹2000 at 7% per year for 5 years? (a) ₹700 (b) ₹140 (c) ₹840 (d) ₹2700
5. 5.What is the simple interest on ₹9500 at 6% per year for 2 years? (a) ₹1710 (b) ₹570 (c) ₹1140 (d) ₹10640
6. 6.What is the simple interest on ₹8500 at 9% per year for 2 years? (a) ₹10030 (b) ₹2295 (c) ₹765 (d) ₹1530
7. 7.What is the simple interest on ₹8500 at 11% per year for 4 years? (a) ₹935 (b) ₹4675 (c) ₹12240 (d) ₹3740
8. 8.What is the simple interest on ₹3500 at 5% per year for 5 years? (a) ₹4375 (b) ₹1050 (c) ₹175 (d) ₹875
9. 9.The simple interest on ₹3500 for 5 years is ₹1400. What is the rate per year? (a) 9% (b) 8% (c) 40% (d) 7%
10. 10.The simple interest on ₹2500 for 2 years is ₹600. What is the rate per year? (a) 13% (b) 12% (c) 24% (d) 11%
11. 11.₹2500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹3100 (b) ₹3250 (c) ₹2650 (d) ₹600
12. 12.What is the simple interest on ₹2500 at 2% per year for 2 years? (a) ₹150 (b) ₹2600 (c) ₹50 (d) ₹100
13. 13.The simple interest on ₹1500 for 4 years is ₹540. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 36%
14. 14.In how many years will ₹8500 earn ₹1360 simple interest at 4% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
15. 15.In how many years will ₹8500 earn ₹1020 simple interest at 6% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
16. 16.What is the simple interest on ₹7500 at 3% per year for 3 years? (a) ₹675 (b) ₹8175 (c) ₹900 (d) ₹225
17. 17.What is the simple interest on ₹4500 at 8% per year for 3 years? (a) ₹1440 (b) ₹360 (c) ₹5580 (d) ₹1080
18. 18.In how many years will ₹5500 earn ₹2420 simple interest at 11% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
19. 19.In how many years will ₹7000 earn ₹1750 simple interest at 5% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
20. 20.In how many years will ₹2500 earn ₹675 simple interest at 9% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
21. 21.In how many years will ₹4500 earn ₹270 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
22. 22.₹2500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹3325 (b) ₹2775 (c) ₹3050 (d) ₹550
23. 23.The simple interest on ₹1500 for 4 years is ₹720. What is the rate per year? (a) 13% (b) 48% (c) 12% (d) 11%
24. 24.What is the simple interest on ₹2500 at 10% per year for 5 years? (a) ₹1250 (b) ₹250 (c) ₹3750 (d) ₹1500
25. 25.₹3500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹3920 (b) ₹4340 (c) ₹4760 (d) ₹840
26. 26.What is the simple interest on ₹6500 at 4% per year for 5 years? (a) ₹7800 (b) ₹1560 (c) ₹1300 (d) ₹260
27. 27.What is the simple interest on ₹6000 at 3% per year for 3 years? (a) ₹180 (b) ₹6540 (c) ₹720 (d) ₹540
28. 28.The simple interest on ₹8500 for 5 years is ₹4250. What is the rate per year? (a) 11% (b) 9% (c) 10% (d) 50%
29. 29.The simple interest on ₹3500 for 4 years is ₹1400. What is the rate per year? (a) 9% (b) 10% (c) 40% (d) 11%
30. 30.The simple interest on ₹5500 for 3 years is ₹1320. What is the rate per year? (a) 8% (b) 9% (c) 24% (d) 7%
31. 31.What is the simple interest on ₹9000 at 3% per year for 2 years? (a) ₹270 (b) ₹9540 (c) ₹810 (d) ₹540
32. 32.What is the simple interest on ₹8000 at 3% per year for 5 years? (a) ₹240 (b) ₹9200 (c) ₹1440 (d) ₹1200
33. 33.₹5000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹600 (b) ₹5600 (c) ₹5150 (d) ₹5750
34. 34.What is the simple interest on ₹1500 at 9% per year for 5 years? (a) ₹2175 (b) ₹135 (c) ₹675 (d) ₹810
35. 35.In how many years will ₹1000 earn ₹180 simple interest at 9% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
36. 36.In how many years will ₹9500 earn ₹3800 simple interest at 8% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
37. 37.The simple interest on ₹7000 for 3 years is ₹420. What is the rate per year? (a) 3% (b) 1% (c) 6% (d) 2%
38. 38.The simple interest on ₹4500 for 3 years is ₹1350. What is the rate per year? (a) 30% (b) 9% (c) 10% (d) 11%
39. 39.What is the simple interest on ₹3500 at 2% per year for 3 years? (a) ₹3710 (b) ₹210 (c) ₹70 (d) ₹280
40. 40.What is the simple interest on ₹8000 at 9% per year for 2 years? (a) ₹9440 (b) ₹720 (c) ₹1440 (d) ₹2160

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