Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 21 · 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.In how many years will ₹2000 earn ₹440 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
2. 2.What is the simple interest on ₹1000 at 9% per year for 2 years? (a) ₹270 (b) ₹1180 (c) ₹90 (d) ₹180
3. 3.₹5000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹5350 (b) ₹6050 (c) ₹700 (d) ₹5700
4. 4.₹8000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹11200 (b) ₹2560 (c) ₹8640 (d) ₹10560
5. 5.What is the simple interest on ₹9000 at 7% per year for 3 years? (a) ₹1890 (b) ₹630 (c) ₹10890 (d) ₹2520
6. 6.₹2500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹300 (b) ₹2600 (c) ₹2900 (d) ₹2800
7. 7.The simple interest on ₹8500 for 4 years is ₹1360. What is the rate per year? (a) 5% (b) 4% (c) 16% (d) 3%
8. 8.What is the simple interest on ₹5500 at 2% per year for 5 years? (a) ₹110 (b) ₹550 (c) ₹6050 (d) ₹660
9. 9.In how many years will ₹2000 earn ₹880 simple interest at 11% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
10. 10.What is the simple interest on ₹2000 at 7% per year for 4 years? (a) ₹2560 (b) ₹700 (c) ₹560 (d) ₹140
11. 11.What is the simple interest on ₹10000 at 10% per year for 4 years? (a) ₹1000 (b) ₹4000 (c) ₹14000 (d) ₹5000
12. 12.₹9500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹950 (b) ₹9975 (c) ₹10925 (d) ₹10450
13. 13.The simple interest on ₹7500 for 4 years is ₹3000. What is the rate per year? (a) 10% (b) 40% (c) 9% (d) 11%
14. 14.In how many years will ₹8000 earn ₹1760 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
15. 15.The simple interest on ₹7500 for 3 years is ₹2025. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 27%
16. 16.In how many years will ₹5000 earn ₹1600 simple interest at 8% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
17. 17.What is the simple interest on ₹3000 at 5% per year for 4 years? (a) ₹3600 (b) ₹150 (c) ₹600 (d) ₹750
18. 18.The simple interest on ₹10000 for 4 years is ₹4800. What is the rate per year? (a) 11% (b) 48% (c) 13% (d) 12%
19. 19.₹9000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹11700 (b) ₹2700 (c) ₹9540 (d) ₹12240
20. 20.The simple interest on ₹4500 for 3 years is ₹945. What is the rate per year? (a) 21% (b) 8% (c) 7% (d) 6%
21. 21.₹1000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹400 (b) ₹1100 (c) ₹1500 (d) ₹1400
22. 22.In how many years will ₹1500 earn ₹180 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
23. 23.What is the simple interest on ₹9000 at 12% per year for 2 years? (a) ₹11160 (b) ₹2160 (c) ₹1080 (d) ₹3240
24. 24.What is the simple interest on ₹8000 at 11% per year for 5 years? (a) ₹12400 (b) ₹5280 (c) ₹4400 (d) ₹880
25. 25.What is the simple interest on ₹3000 at 2% per year for 2 years? (a) ₹120 (b) ₹60 (c) ₹180 (d) ₹3120
26. 26.The simple interest on ₹9000 for 2 years is ₹1260. What is the rate per year? (a) 6% (b) 8% (c) 14% (d) 7%
27. 27.₹7000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1120 (b) ₹8120 (c) ₹8400 (d) ₹7280
28. 28.The simple interest on ₹7000 for 5 years is ₹700. What is the rate per year? (a) 3% (b) 10% (c) 1% (d) 2%
29. 29.In how many years will ₹6000 earn ₹480 simple interest at 4% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
30. 30.In how many years will ₹6500 earn ₹1560 simple interest at 12% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
31. 31.₹7500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹3375 (b) ₹8175 (c) ₹11550 (d) ₹10875
32. 32.What is the simple interest on ₹7500 at 11% per year for 5 years? (a) ₹11625 (b) ₹4125 (c) ₹825 (d) ₹4950
33. 33.In how many years will ₹4500 earn ₹810 simple interest at 9% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
34. 34.The simple interest on ₹7000 for 2 years is ₹420. What is the rate per year? (a) 3% (b) 4% (c) 2% (d) 6%
35. 35.In how many years will ₹8500 earn ₹850 simple interest at 2% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
36. 36.In how many years will ₹4000 earn ₹840 simple interest at 7% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
37. 37.₹3500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹3780 (b) ₹4900 (c) ₹4620 (d) ₹1120
38. 38.What is the simple interest on ₹4000 at 5% per year for 3 years? (a) ₹800 (b) ₹4600 (c) ₹600 (d) ₹200
39. 39.₹4000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹4360 (b) ₹4480 (c) ₹4120 (d) ₹360
40. 40.In how many years will ₹4000 earn ₹960 simple interest at 12% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years

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