Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 44 · 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 3 years? (a) ₹6120 (b) ₹5715 (c) ₹1215 (d) ₹4905
2. 2.In how many years will ₹7500 earn ₹750 simple interest at 2% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
3. 3.The simple interest on ₹7000 for 3 years is ₹420. What is the rate per year? (a) 6% (b) 2% (c) 1% (d) 3%
4. 4.In how many years will ₹4000 earn ₹2400 simple interest at 12% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
5. 5.₹9500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹11210 (b) ₹1140 (c) ₹10640 (d) ₹10070
6. 6.₹1500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹1605 (b) ₹2130 (c) ₹2025 (d) ₹525
7. 7.What is the simple interest on ₹10000 at 9% per year for 2 years? (a) ₹1800 (b) ₹2700 (c) ₹900 (d) ₹11800
8. 8.The simple interest on ₹2000 for 3 years is ₹420. What is the rate per year? (a) 21% (b) 8% (c) 7% (d) 6%
9. 9.What is the simple interest on ₹8500 at 5% per year for 4 years? (a) ₹2125 (b) ₹10200 (c) ₹1700 (d) ₹425
10. 10.The simple interest on ₹2500 for 3 years is ₹450. What is the rate per year? (a) 5% (b) 6% (c) 7% (d) 18%
11. 11.What is the simple interest on ₹5500 at 4% per year for 3 years? (a) ₹880 (b) ₹220 (c) ₹660 (d) ₹6160
12. 12.₹1000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹1270 (b) ₹1180 (c) ₹180 (d) ₹1090
13. 13.In how many years will ₹8000 earn ₹2640 simple interest at 11% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
14. 14.What is the simple interest on ₹1000 at 4% per year for 2 years? (a) ₹1080 (b) ₹80 (c) ₹120 (d) ₹40
15. 15.What is the simple interest on ₹8000 at 4% per year for 2 years? (a) ₹640 (b) ₹8640 (c) ₹320 (d) ₹960
16. 16.In how many years will ₹2500 earn ₹250 simple interest at 5% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
17. 17.In how many years will ₹10000 earn ₹1200 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
18. 18.The simple interest on ₹2500 for 2 years is ₹550. What is the rate per year? (a) 22% (b) 12% (c) 10% (d) 11%
19. 19.What is the simple interest on ₹3500 at 2% per year for 3 years? (a) ₹280 (b) ₹210 (c) ₹3710 (d) ₹70
20. 20.In how many years will ₹4000 earn ₹320 simple interest at 2% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
21. 21.The simple interest on ₹5000 for 2 years is ₹500. What is the rate per year? (a) 10% (b) 5% (c) 6% (d) 4%
22. 22.In how many years will ₹4500 earn ₹270 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
23. 23.In how many years will ₹5500 earn ₹495 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
24. 24.The simple interest on ₹4000 for 2 years is ₹480. What is the rate per year? (a) 12% (b) 6% (c) 7% (d) 5%
25. 25.₹6000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹7800 (b) ₹6360 (c) ₹7440 (d) ₹1440
26. 26.What is the simple interest on ₹2000 at 5% per year for 3 years? (a) ₹2300 (b) ₹400 (c) ₹100 (d) ₹300
27. 27.What is the simple interest on ₹8500 at 2% per year for 2 years? (a) ₹340 (b) ₹170 (c) ₹510 (d) ₹8840
28. 28.What is the simple interest on ₹10000 at 7% per year for 2 years? (a) ₹11400 (b) ₹2100 (c) ₹700 (d) ₹1400
29. 29.₹9000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹12600 (b) ₹11700 (c) ₹2700 (d) ₹9900
30. 30.In how many years will ₹3000 earn ₹600 simple interest at 4% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
31. 31.The simple interest on ₹2500 for 4 years is ₹200. What is the rate per year? (a) 3% (b) 8% (c) 1% (d) 2%
32. 32.₹3500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹5180 (b) ₹3920 (c) ₹1260 (d) ₹4760
33. 33.The simple interest on ₹8000 for 5 years is ₹4400. What is the rate per year? (a) 12% (b) 55% (c) 10% (d) 11%
34. 34.What is the simple interest on ₹10000 at 5% per year for 3 years? (a) ₹2000 (b) ₹1500 (c) ₹11500 (d) ₹500
35. 35.The simple interest on ₹1000 for 3 years is ₹360. What is the rate per year? (a) 11% (b) 12% (c) 36% (d) 13%
36. 36.What is the simple interest on ₹9500 at 11% per year for 5 years? (a) ₹5225 (b) ₹14725 (c) ₹6270 (d) ₹1045
37. 37.The simple interest on ₹2500 for 5 years is ₹1250. What is the rate per year? (a) 9% (b) 50% (c) 10% (d) 11%
38. 38.₹4000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹5440 (b) ₹4480 (c) ₹5920 (d) ₹1440
39. 39.₹6500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹6630 (b) ₹7020 (c) ₹6890 (d) ₹390
40. 40.The simple interest on ₹5500 for 3 years is ₹660. What is the rate per year? (a) 12% (b) 5% (c) 4% (d) 3%

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