Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 884 · 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.₹4500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹5310 (b) ₹810 (c) ₹5715 (d) ₹4905
2. 2.₹1000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹1060 (b) ₹1240 (c) ₹1180 (d) ₹180
3. 3.The simple interest on ₹6000 for 5 years is ₹1500. What is the rate per year? (a) 5% (b) 4% (c) 6% (d) 25%
4. 4.The simple interest on ₹5500 for 2 years is ₹660. What is the rate per year? (a) 12% (b) 6% (c) 5% (d) 7%
5. 5.In how many years will ₹1000 earn ₹160 simple interest at 8% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
6. 6.What is the simple interest on ₹1500 at 7% per year for 4 years? (a) ₹105 (b) ₹1920 (c) ₹525 (d) ₹420
7. 7.The simple interest on ₹4500 for 3 years is ₹810. What is the rate per year? (a) 6% (b) 7% (c) 5% (d) 18%
8. 8.The simple interest on ₹2000 for 2 years is ₹440. What is the rate per year? (a) 10% (b) 11% (c) 12% (d) 22%
9. 9.₹2000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹2160 (b) ₹2960 (c) ₹2800 (d) ₹800
10. 10.What is the simple interest on ₹7500 at 7% per year for 4 years? (a) ₹9600 (b) ₹2625 (c) ₹525 (d) ₹2100
11. 11.₹7500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹8175 (b) ₹10200 (c) ₹2025 (d) ₹9525
12. 12.In how many years will ₹5000 earn ₹1600 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
13. 13.₹4000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹4400 (b) ₹6000 (c) ₹6400 (d) ₹2000
14. 14.In how many years will ₹7500 earn ₹600 simple interest at 2% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
15. 15.In how many years will ₹5000 earn ₹1200 simple interest at 6% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
16. 16.₹3500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹1260 (b) ₹4760 (c) ₹3815 (d) ₹5075
17. 17.₹10000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹11500 (b) ₹1500 (c) ₹11800 (d) ₹10300
18. 18.The simple interest on ₹9500 for 4 years is ₹1140. What is the rate per year? (a) 2% (b) 12% (c) 3% (d) 4%
19. 19.The simple interest on ₹7000 for 4 years is ₹1120. What is the rate per year? (a) 5% (b) 16% (c) 4% (d) 3%
20. 20.What is the simple interest on ₹1000 at 10% per year for 2 years? (a) ₹200 (b) ₹1200 (c) ₹100 (d) ₹300
21. 21.What is the simple interest on ₹8500 at 3% per year for 4 years? (a) ₹9520 (b) ₹1275 (c) ₹1020 (d) ₹255
22. 22.In how many years will ₹2000 earn ₹1200 simple interest at 12% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
23. 23.In how many years will ₹5500 earn ₹1925 simple interest at 7% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
24. 24.What is the simple interest on ₹2000 at 11% per year for 4 years? (a) ₹1100 (b) ₹880 (c) ₹220 (d) ₹2880
25. 25.In how many years will ₹8500 earn ₹680 simple interest at 4% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
26. 26.What is the simple interest on ₹8000 at 5% per year for 2 years? (a) ₹400 (b) ₹1200 (c) ₹8800 (d) ₹800
27. 27.The simple interest on ₹6500 for 3 years is ₹2145. What is the rate per year? (a) 11% (b) 12% (c) 10% (d) 33%
28. 28.What is the simple interest on ₹9000 at 4% per year for 4 years? (a) ₹360 (b) ₹10440 (c) ₹1440 (d) ₹1800
29. 29.What is the simple interest on ₹5500 at 6% per year for 2 years? (a) ₹660 (b) ₹6160 (c) ₹330 (d) ₹990
30. 30.₹4500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹1620 (b) ₹6120 (c) ₹4905 (d) ₹6525
31. 31.In how many years will ₹9000 earn ₹1980 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
32. 32.The simple interest on ₹6000 for 4 years is ₹1680. What is the rate per year? (a) 6% (b) 28% (c) 7% (d) 8%
33. 33.In how many years will ₹5000 earn ₹600 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
34. 34.What is the simple interest on ₹2500 at 12% per year for 3 years? (a) ₹1200 (b) ₹300 (c) ₹900 (d) ₹3400
35. 35.In how many years will ₹10000 earn ₹3200 simple interest at 8% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
36. 36.₹1000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1400 (b) ₹300 (c) ₹1300 (d) ₹1100
37. 37.₹7000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹10080 (b) ₹3080 (c) ₹10850 (d) ₹7770
38. 38.What is the simple interest on ₹8000 at 3% per year for 5 years? (a) ₹1440 (b) ₹240 (c) ₹9200 (d) ₹1200
39. 39.What is the simple interest on ₹3500 at 6% per year for 2 years? (a) ₹420 (b) ₹3920 (c) ₹630 (d) ₹210
40. 40.What is the simple interest on ₹1500 at 8% per year for 5 years? (a) ₹600 (b) ₹120 (c) ₹2100 (d) ₹720

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