Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 726 · 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.₹3000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹3270 (b) ₹4620 (c) ₹4350 (d) ₹1350
2. 2.₹2500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹2575 (b) ₹225 (c) ₹2800 (d) ₹2725
3. 3.The simple interest on ₹6500 for 5 years is ₹2275. What is the rate per year? (a) 7% (b) 6% (c) 8% (d) 35%
4. 4.In how many years will ₹6500 earn ₹975 simple interest at 5% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
5. 5.What is the simple interest on ₹9000 at 11% per year for 4 years? (a) ₹12960 (b) ₹3960 (c) ₹4950 (d) ₹990
6. 6.₹10000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹2200 (b) ₹11100 (c) ₹13300 (d) ₹12200
7. 7.In how many years will ₹6500 earn ₹3575 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
8. 8.The simple interest on ₹9500 for 3 years is ₹3420. What is the rate per year? (a) 12% (b) 13% (c) 11% (d) 36%
9. 9.The simple interest on ₹9500 for 5 years is ₹5225. What is the rate per year? (a) 55% (b) 12% (c) 10% (d) 11%
10. 10.What is the simple interest on ₹1000 at 3% per year for 2 years? (a) ₹90 (b) ₹1060 (c) ₹30 (d) ₹60
11. 11.What is the simple interest on ₹9000 at 12% per year for 4 years? (a) ₹4320 (b) ₹1080 (c) ₹13320 (d) ₹5400
12. 12.In how many years will ₹3000 earn ₹1500 simple interest at 10% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
13. 13.What is the simple interest on ₹1500 at 2% per year for 5 years? (a) ₹180 (b) ₹150 (c) ₹1650 (d) ₹30
14. 14.What is the simple interest on ₹7000 at 4% per year for 4 years? (a) ₹1400 (b) ₹1120 (c) ₹280 (d) ₹8120
15. 15.₹3500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹3885 (b) ₹770 (c) ₹4655 (d) ₹4270
16. 16.What is the simple interest on ₹4000 at 3% per year for 2 years? (a) ₹4240 (b) ₹120 (c) ₹360 (d) ₹240
17. 17.The simple interest on ₹2000 for 4 years is ₹640. What is the rate per year? (a) 7% (b) 8% (c) 9% (d) 32%
18. 18.In how many years will ₹2000 earn ₹360 simple interest at 6% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
19. 19.₹2500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹2875 (b) ₹300 (c) ₹2575 (d) ₹2800
20. 20.What is the simple interest on ₹3000 at 4% per year for 2 years? (a) ₹3240 (b) ₹240 (c) ₹360 (d) ₹120
21. 21.The simple interest on ₹3500 for 2 years is ₹280. What is the rate per year? (a) 3% (b) 5% (c) 8% (d) 4%
22. 22.What is the simple interest on ₹7000 at 7% per year for 3 years? (a) ₹1960 (b) ₹8470 (c) ₹490 (d) ₹1470
23. 23.What is the simple interest on ₹9000 at 6% per year for 3 years? (a) ₹540 (b) ₹10620 (c) ₹2160 (d) ₹1620
24. 24.What is the simple interest on ₹7500 at 3% per year for 2 years? (a) ₹225 (b) ₹675 (c) ₹7950 (d) ₹450
25. 25.What is the simple interest on ₹3500 at 3% per year for 4 years? (a) ₹525 (b) ₹105 (c) ₹420 (d) ₹3920
26. 26.₹5500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹660 (b) ₹6160 (c) ₹5665 (d) ₹6325
27. 27.₹7500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹750 (b) ₹8250 (c) ₹7875 (d) ₹8625
28. 28.In how many years will ₹5000 earn ₹800 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
29. 29.What is the simple interest on ₹10000 at 11% per year for 3 years? (a) ₹1100 (b) ₹13300 (c) ₹3300 (d) ₹4400
30. 30.₹4000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹480 (b) ₹4240 (c) ₹4480 (d) ₹4720
31. 31.₹6000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹6960 (b) ₹6240 (c) ₹720 (d) ₹6720
32. 32.In how many years will ₹4500 earn ₹450 simple interest at 2% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
33. 33.In how many years will ₹4000 earn ₹320 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
34. 34.₹8500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹1700 (b) ₹10625 (c) ₹10200 (d) ₹8925
35. 35.In how many years will ₹2000 earn ₹80 simple interest at 2% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
36. 36.What is the simple interest on ₹4000 at 2% per year for 3 years? (a) ₹320 (b) ₹240 (c) ₹4240 (d) ₹80
37. 37.₹1500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹2100 (b) ₹1650 (c) ₹2250 (d) ₹600
38. 38.₹5500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1210 (b) ₹6710 (c) ₹6105 (d) ₹7315
39. 39.₹8000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹10560 (b) ₹8640 (c) ₹1920 (d) ₹9920
40. 40.The simple interest on ₹8500 for 3 years is ₹1785. What is the rate per year? (a) 21% (b) 6% (c) 7% (d) 8%

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