Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 877 · 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 4 years? (a) ₹3270 (b) ₹1080 (c) ₹4080 (d) ₹4350
2. 2.In how many years will ₹3500 earn ₹210 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
3. 3.₹9500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹760 (b) ₹10640 (c) ₹10260 (d) ₹9880
4. 4.₹5000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹6500 (b) ₹5500 (c) ₹1000 (d) ₹6000
5. 5.₹3500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹4340 (b) ₹840 (c) ₹4620 (d) ₹3780
6. 6.In how many years will ₹9500 earn ₹1140 simple interest at 4% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
7. 7.In how many years will ₹1000 earn ₹440 simple interest at 11% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
8. 8.In how many years will ₹7000 earn ₹1050 simple interest at 3% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
9. 9.₹5000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹5900 (b) ₹5150 (c) ₹750 (d) ₹5750
10. 10.The simple interest on ₹10000 for 3 years is ₹3300. What is the rate per year? (a) 33% (b) 10% (c) 12% (d) 11%
11. 11.In how many years will ₹3500 earn ₹1575 simple interest at 9% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
12. 12.The simple interest on ₹3000 for 5 years is ₹1050. What is the rate per year? (a) 8% (b) 6% (c) 35% (d) 7%
13. 13.₹7000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹840 (b) ₹7420 (c) ₹8260 (d) ₹7840
14. 14.In how many years will ₹2000 earn ₹360 simple interest at 6% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
15. 15.In how many years will ₹5000 earn ₹1500 simple interest at 10% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
16. 16.₹4000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1080 (b) ₹4360 (c) ₹5440 (d) ₹5080
17. 17.What is the simple interest on ₹9000 at 2% per year for 3 years? (a) ₹720 (b) ₹540 (c) ₹180 (d) ₹9540
18. 18.₹6000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹7440 (b) ₹6360 (c) ₹7080 (d) ₹1080
19. 19.The simple interest on ₹2000 for 5 years is ₹1000. What is the rate per year? (a) 9% (b) 11% (c) 50% (d) 10%
20. 20.₹8000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹8320 (b) ₹1280 (c) ₹9280 (d) ₹9600
21. 21.The simple interest on ₹7500 for 4 years is ₹900. What is the rate per year? (a) 12% (b) 3% (c) 2% (d) 4%
22. 22.The simple interest on ₹2500 for 3 years is ₹750. What is the rate per year? (a) 11% (b) 30% (c) 9% (d) 10%
23. 23.In how many years will ₹5500 earn ₹660 simple interest at 6% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
24. 24.In how many years will ₹5500 earn ₹660 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
25. 25.What is the simple interest on ₹5500 at 9% per year for 2 years? (a) ₹6490 (b) ₹1485 (c) ₹495 (d) ₹990
26. 26.What is the simple interest on ₹2000 at 3% per year for 5 years? (a) ₹60 (b) ₹2300 (c) ₹360 (d) ₹300
27. 27.₹4500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹4815 (b) ₹6075 (c) ₹1260 (d) ₹5760
28. 28.The simple interest on ₹2500 for 4 years is ₹300. What is the rate per year? (a) 4% (b) 12% (c) 2% (d) 3%
29. 29.The simple interest on ₹5000 for 4 years is ₹800. What is the rate per year? (a) 4% (b) 3% (c) 16% (d) 5%
30. 30.The simple interest on ₹2500 for 2 years is ₹500. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 20%
31. 31.What is the simple interest on ₹9500 at 11% per year for 2 years? (a) ₹3135 (b) ₹2090 (c) ₹1045 (d) ₹11590
32. 32.What is the simple interest on ₹5000 at 8% per year for 4 years? (a) ₹6600 (b) ₹1600 (c) ₹2000 (d) ₹400
33. 33.₹3500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹3675 (b) ₹700 (c) ₹4200 (d) ₹4375
34. 34.₹2500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹3400 (b) ₹2800 (c) ₹900 (d) ₹3700
35. 35.₹3000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹5160 (b) ₹4800 (c) ₹3360 (d) ₹1800
36. 36.What is the simple interest on ₹3000 at 4% per year for 5 years? (a) ₹120 (b) ₹720 (c) ₹600 (d) ₹3600
37. 37.In how many years will ₹1500 earn ₹240 simple interest at 4% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
38. 38.In how many years will ₹1500 earn ₹300 simple interest at 5% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
39. 39.In how many years will ₹3500 earn ₹840 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
40. 40.In how many years will ₹4500 earn ₹1620 simple interest at 12% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad