Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 531 · 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 ₹9500 at 2% per year for 4 years? (a) ₹950 (b) ₹190 (c) ₹10260 (d) ₹760
2. 2.What is the simple interest on ₹2000 at 8% per year for 5 years? (a) ₹160 (b) ₹960 (c) ₹2800 (d) ₹800
3. 3.In how many years will ₹9000 earn ₹1980 simple interest at 11% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
4. 4.In how many years will ₹2500 earn ₹300 simple interest at 4% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
5. 5.₹9000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹9540 (b) ₹1080 (c) ₹10080 (d) ₹10620
6. 6.What is the simple interest on ₹3000 at 7% per year for 4 years? (a) ₹3840 (b) ₹1050 (c) ₹840 (d) ₹210
7. 7.In how many years will ₹4500 earn ₹540 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
8. 8.What is the simple interest on ₹2500 at 7% per year for 2 years? (a) ₹175 (b) ₹525 (c) ₹2850 (d) ₹350
9. 9.In how many years will ₹1500 earn ₹180 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
10. 10.In how many years will ₹5500 earn ₹1980 simple interest at 12% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
11. 11.The simple interest on ₹6000 for 4 years is ₹2640. What is the rate per year? (a) 44% (b) 10% (c) 11% (d) 12%
12. 12.₹8000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹640 (b) ₹8160 (c) ₹8800 (d) ₹8640
13. 13.What is the simple interest on ₹6000 at 3% per year for 2 years? (a) ₹180 (b) ₹360 (c) ₹540 (d) ₹6360
14. 14.The simple interest on ₹7000 for 2 years is ₹420. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 6%
15. 15.The simple interest on ₹6000 for 4 years is ₹1920. What is the rate per year? (a) 7% (b) 8% (c) 9% (d) 32%
16. 16.What is the simple interest on ₹3000 at 4% per year for 5 years? (a) ₹120 (b) ₹600 (c) ₹720 (d) ₹3600
17. 17.The simple interest on ₹9500 for 4 years is ₹1140. What is the rate per year? (a) 4% (b) 2% (c) 12% (d) 3%
18. 18.What is the simple interest on ₹10000 at 11% per year for 4 years? (a) ₹14400 (b) ₹1100 (c) ₹5500 (d) ₹4400
19. 19.₹3000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹4080 (b) ₹3720 (c) ₹720 (d) ₹3360
20. 20.What is the simple interest on ₹1500 at 8% per year for 2 years? (a) ₹360 (b) ₹120 (c) ₹1740 (d) ₹240
21. 21.₹3500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹1680 (b) ₹5600 (c) ₹3920 (d) ₹5180
22. 22.What is the simple interest on ₹6000 at 2% per year for 4 years? (a) ₹6480 (b) ₹480 (c) ₹120 (d) ₹600
23. 23.The simple interest on ₹2500 for 5 years is ₹500. What is the rate per year? (a) 5% (b) 20% (c) 3% (d) 4%
24. 24.The simple interest on ₹1000 for 3 years is ₹180. What is the rate per year? (a) 6% (b) 5% (c) 18% (d) 7%
25. 25.What is the simple interest on ₹9500 at 4% per year for 4 years? (a) ₹380 (b) ₹1520 (c) ₹11020 (d) ₹1900
26. 26.₹1500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹1620 (b) ₹360 (c) ₹1980 (d) ₹1860
27. 27.What is the simple interest on ₹1000 at 2% per year for 2 years? (a) ₹20 (b) ₹60 (c) ₹40 (d) ₹1040
28. 28.₹6500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹8060 (b) ₹1560 (c) ₹7280 (d) ₹8840
29. 29.What is the simple interest on ₹8000 at 2% per year for 5 years? (a) ₹800 (b) ₹960 (c) ₹160 (d) ₹8800
30. 30.₹1500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹1650 (b) ₹2400 (c) ₹750 (d) ₹2250
31. 31.The simple interest on ₹3500 for 3 years is ₹315. What is the rate per year? (a) 3% (b) 4% (c) 9% (d) 2%
32. 32.The simple interest on ₹5000 for 4 years is ₹1400. What is the rate per year? (a) 7% (b) 28% (c) 8% (d) 6%
33. 33.In how many years will ₹4000 earn ₹1760 simple interest at 11% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
34. 34.₹7500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹11100 (b) ₹2700 (c) ₹10200 (d) ₹8400
35. 35.The simple interest on ₹9500 for 3 years is ₹855. What is the rate per year? (a) 9% (b) 3% (c) 2% (d) 4%
36. 36.What is the simple interest on ₹4000 at 11% per year for 2 years? (a) ₹4880 (b) ₹440 (c) ₹880 (d) ₹1320
37. 37.What is the simple interest on ₹5500 at 10% per year for 5 years? (a) ₹8250 (b) ₹2750 (c) ₹550 (d) ₹3300
38. 38.₹8000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹10400 (b) ₹8480 (c) ₹10880 (d) ₹2400
39. 39.The simple interest on ₹7000 for 5 years is ₹2100. What is the rate per year? (a) 6% (b) 7% (c) 5% (d) 30%
40. 40.What is the simple interest on ₹1000 at 10% per year for 5 years? (a) ₹1500 (b) ₹100 (c) ₹500 (d) ₹600

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