Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 964 · 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 ₹5000 at 3% per year for 3 years? (a) ₹450 (b) ₹600 (c) ₹5450 (d) ₹150
2. 2.What is the simple interest on ₹1500 at 9% per year for 5 years? (a) ₹2175 (b) ₹810 (c) ₹135 (d) ₹675
3. 3.The simple interest on ₹5500 for 5 years is ₹1925. What is the rate per year? (a) 8% (b) 7% (c) 6% (d) 35%
4. 4.₹9000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹9450 (b) ₹10800 (c) ₹1800 (d) ₹11250
5. 5.What is the simple interest on ₹3500 at 10% per year for 2 years? (a) ₹4200 (b) ₹1050 (c) ₹350 (d) ₹700
6. 6.The simple interest on ₹5500 for 3 years is ₹495. What is the rate per year? (a) 4% (b) 2% (c) 9% (d) 3%
7. 7.The simple interest on ₹3500 for 3 years is ₹1260. What is the rate per year? (a) 13% (b) 12% (c) 36% (d) 11%
8. 8.The simple interest on ₹8000 for 2 years is ₹1440. What is the rate per year? (a) 10% (b) 8% (c) 18% (d) 9%
9. 9.What is the simple interest on ₹1000 at 12% per year for 2 years? (a) ₹360 (b) ₹1240 (c) ₹240 (d) ₹120
10. 10.In how many years will ₹1000 earn ₹60 simple interest at 3% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
11. 11.₹8500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹9520 (b) ₹4080 (c) ₹12580 (d) ₹13600
12. 12.What is the simple interest on ₹4500 at 12% per year for 5 years? (a) ₹7200 (b) ₹2700 (c) ₹540 (d) ₹3240
13. 13.₹4000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹1800 (b) ₹6160 (c) ₹4360 (d) ₹5800
14. 14.The simple interest on ₹6000 for 4 years is ₹2640. What is the rate per year? (a) 44% (b) 10% (c) 11% (d) 12%
15. 15.The simple interest on ₹1000 for 5 years is ₹200. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 20%
16. 16.What is the simple interest on ₹9000 at 5% per year for 4 years? (a) ₹10800 (b) ₹1800 (c) ₹450 (d) ₹2250
17. 17.In how many years will ₹3500 earn ₹350 simple interest at 5% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
18. 18.In how many years will ₹7500 earn ₹1800 simple interest at 12% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
19. 19.₹8500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹765 (b) ₹9520 (c) ₹9265 (d) ₹8755
20. 20.₹10000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹14000 (b) ₹10800 (c) ₹14800 (d) ₹4000
21. 21.What is the simple interest on ₹8500 at 11% per year for 5 years? (a) ₹13175 (b) ₹935 (c) ₹5610 (d) ₹4675
22. 22.In how many years will ₹1500 earn ₹525 simple interest at 7% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
23. 23.In how many years will ₹1000 earn ₹480 simple interest at 12% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
24. 24.In how many years will ₹4000 earn ₹400 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
25. 25.The simple interest on ₹3500 for 5 years is ₹1400. What is the rate per year? (a) 7% (b) 40% (c) 8% (d) 9%
26. 26.In how many years will ₹1000 earn ₹400 simple interest at 8% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
27. 27.The simple interest on ₹9000 for 3 years is ₹1080. What is the rate per year? (a) 12% (b) 5% (c) 4% (d) 3%
28. 28.What is the simple interest on ₹2000 at 11% per year for 3 years? (a) ₹2660 (b) ₹220 (c) ₹880 (d) ₹660
29. 29.In how many years will ₹5000 earn ₹2000 simple interest at 8% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
30. 30.₹5000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹1500 (b) ₹5300 (c) ₹6800 (d) ₹6500
31. 31.The simple interest on ₹1000 for 4 years is ₹360. What is the rate per year? (a) 8% (b) 36% (c) 10% (d) 9%
32. 32.₹9000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹9180 (b) ₹9720 (c) ₹540 (d) ₹9540
33. 33.What is the simple interest on ₹6000 at 9% per year for 2 years? (a) ₹540 (b) ₹1620 (c) ₹1080 (d) ₹7080
34. 34.What is the simple interest on ₹6500 at 12% per year for 5 years? (a) ₹3900 (b) ₹10400 (c) ₹4680 (d) ₹780
35. 35.₹2000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹2180 (b) ₹2540 (c) ₹540 (d) ₹2720
36. 36.What is the simple interest on ₹5000 at 8% per year for 3 years? (a) ₹400 (b) ₹1200 (c) ₹1600 (d) ₹6200
37. 37.What is the simple interest on ₹8500 at 10% per year for 2 years? (a) ₹10200 (b) ₹850 (c) ₹2550 (d) ₹1700
38. 38.In how many years will ₹8500 earn ₹3825 simple interest at 9% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
39. 39.In how many years will ₹7500 earn ₹900 simple interest at 3% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
40. 40.In how many years will ₹3000 earn ₹360 simple interest at 3% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years

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