Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 905 · 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.The simple interest on ₹7500 for 4 years is ₹3000. What is the rate per year? (a) 11% (b) 40% (c) 9% (d) 10%
2. 2.What is the simple interest on ₹5000 at 10% per year for 5 years? (a) ₹3000 (b) ₹500 (c) ₹7500 (d) ₹2500
3. 3.What is the simple interest on ₹1500 at 4% per year for 4 years? (a) ₹1740 (b) ₹60 (c) ₹300 (d) ₹240
4. 4.In how many years will ₹9500 earn ₹1520 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
5. 5.₹8500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹11050 (b) ₹11900 (c) ₹9350 (d) ₹2550
6. 6.The simple interest on ₹9000 for 5 years is ₹1800. What is the rate per year? (a) 4% (b) 20% (c) 5% (d) 3%
7. 7.In how many years will ₹1000 earn ₹250 simple interest at 5% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
8. 8.What is the simple interest on ₹7500 at 10% per year for 2 years? (a) ₹9000 (b) ₹2250 (c) ₹1500 (d) ₹750
9. 9.In how many years will ₹6000 earn ₹1080 simple interest at 6% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
10. 10.The simple interest on ₹2500 for 2 years is ₹150. What is the rate per year? (a) 6% (b) 2% (c) 3% (d) 4%
11. 11.What is the simple interest on ₹2500 at 9% per year for 2 years? (a) ₹225 (b) ₹450 (c) ₹675 (d) ₹2950
12. 12.₹10000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹14000 (b) ₹13200 (c) ₹3200 (d) ₹10800
13. 13.In how many years will ₹7500 earn ₹1800 simple interest at 12% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
14. 14.What is the simple interest on ₹6000 at 9% per year for 2 years? (a) ₹1080 (b) ₹1620 (c) ₹540 (d) ₹7080
15. 15.₹3000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹3360 (b) ₹4800 (c) ₹1440 (d) ₹4440
16. 16.The simple interest on ₹8000 for 2 years is ₹1120. What is the rate per year? (a) 8% (b) 14% (c) 6% (d) 7%
17. 17.What is the simple interest on ₹4500 at 3% per year for 2 years? (a) ₹135 (b) ₹270 (c) ₹405 (d) ₹4770
18. 18.In how many years will ₹6500 earn ₹1040 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
19. 19.What is the simple interest on ₹4000 at 10% per year for 2 years? (a) ₹1200 (b) ₹400 (c) ₹4800 (d) ₹800
20. 20.What is the simple interest on ₹6500 at 3% per year for 3 years? (a) ₹7085 (b) ₹780 (c) ₹195 (d) ₹585
21. 21.What is the simple interest on ₹9000 at 2% per year for 4 years? (a) ₹900 (b) ₹180 (c) ₹720 (d) ₹9720
22. 22.In how many years will ₹6500 earn ₹1170 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
23. 23.₹7000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹10850 (b) ₹7770 (c) ₹3850 (d) ₹11620
24. 24.In how many years will ₹5000 earn ₹1500 simple interest at 10% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
25. 25.₹8000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹2000 (b) ₹10000 (c) ₹8400 (d) ₹10400
26. 26.₹5000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹5600 (b) ₹8000 (c) ₹3000 (d) ₹8600
27. 27.₹7000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1960 (b) ₹8960 (c) ₹7490 (d) ₹9450
28. 28.The simple interest on ₹1500 for 3 years is ₹180. What is the rate per year? (a) 5% (b) 12% (c) 3% (d) 4%
29. 29.In how many years will ₹7500 earn ₹2475 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
30. 30.₹7500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹9600 (b) ₹10125 (c) ₹2100 (d) ₹8025
31. 31.₹7500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹12000 (b) ₹3600 (c) ₹8400 (d) ₹11100
32. 32.What is the simple interest on ₹3500 at 4% per year for 2 years? (a) ₹3780 (b) ₹420 (c) ₹140 (d) ₹280
33. 33.₹9000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹11430 (b) ₹10620 (c) ₹1620 (d) ₹9810
34. 34.The simple interest on ₹2000 for 3 years is ₹300. What is the rate per year? (a) 5% (b) 4% (c) 6% (d) 15%
35. 35.What is the simple interest on ₹1500 at 5% per year for 5 years? (a) ₹450 (b) ₹1875 (c) ₹75 (d) ₹375
36. 36.In how many years will ₹2500 earn ₹700 simple interest at 7% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
37. 37.In how many years will ₹5500 earn ₹550 simple interest at 5% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
38. 38.The simple interest on ₹3000 for 4 years is ₹600. What is the rate per year? (a) 20% (b) 6% (c) 4% (d) 5%
39. 39.₹9500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹570 (b) ₹10355 (c) ₹10070 (d) ₹9785
40. 40.₹8500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹10540 (b) ₹2040 (c) ₹9010 (d) ₹11050

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