Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 814 · 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 ₹2000 at 11% per year for 5 years? (a) ₹3100 (b) ₹220 (c) ₹1320 (d) ₹1100
2. 2.In how many years will ₹10000 earn ₹2100 simple interest at 7% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
3. 3.In how many years will ₹2000 earn ₹180 simple interest at 3% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
4. 4.What is the simple interest on ₹5000 at 2% per year for 4 years? (a) ₹5400 (b) ₹100 (c) ₹400 (d) ₹500
5. 5.What is the simple interest on ₹3000 at 7% per year for 5 years? (a) ₹210 (b) ₹1260 (c) ₹4050 (d) ₹1050
6. 6.In how many years will ₹4500 earn ₹1485 simple interest at 11% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
7. 7.The simple interest on ₹9000 for 2 years is ₹1620. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 18%
8. 8.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
9. 9.₹8000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹12000 (b) ₹12800 (c) ₹4000 (d) ₹8800
10. 10.What is the simple interest on ₹8000 at 4% per year for 3 years? (a) ₹8960 (b) ₹320 (c) ₹960 (d) ₹1280
11. 11.₹4500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹4905 (b) ₹1215 (c) ₹5715 (d) ₹6120
12. 12.The simple interest on ₹9000 for 2 years is ₹720. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 8%
13. 13.What is the simple interest on ₹2000 at 2% per year for 3 years? (a) ₹160 (b) ₹40 (c) ₹2120 (d) ₹120
14. 14.In how many years will ₹3500 earn ₹1400 simple interest at 8% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
15. 15.The simple interest on ₹2000 for 5 years is ₹300. What is the rate per year? (a) 15% (b) 2% (c) 3% (d) 4%
16. 16.In how many years will ₹10000 earn ₹2200 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
17. 17.The simple interest on ₹6500 for 3 years is ₹1560. What is the rate per year? (a) 24% (b) 7% (c) 9% (d) 8%
18. 18.In how many years will ₹1500 earn ₹600 simple interest at 10% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
19. 19.The simple interest on ₹1500 for 5 years is ₹900. What is the rate per year? (a) 60% (b) 13% (c) 11% (d) 12%
20. 20.₹1500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹180 (b) ₹1590 (c) ₹1680 (d) ₹1770
21. 21.The simple interest on ₹8000 for 3 years is ₹1440. What is the rate per year? (a) 6% (b) 7% (c) 5% (d) 18%
22. 22.The simple interest on ₹6000 for 2 years is ₹480. What is the rate per year? (a) 4% (b) 5% (c) 3% (d) 8%
23. 23.₹4000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹4400 (b) ₹6000 (c) ₹2000 (d) ₹6400
24. 24.The simple interest on ₹3500 for 5 years is ₹525. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 15%
25. 25.In how many years will ₹3500 earn ₹1540 simple interest at 11% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
26. 26.In how many years will ₹5500 earn ₹1815 simple interest at 11% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
27. 27.In how many years will ₹9500 earn ₹760 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
28. 28.The simple interest on ₹9500 for 2 years is ₹2280. What is the rate per year? (a) 13% (b) 11% (c) 24% (d) 12%
29. 29.What is the simple interest on ₹3000 at 4% per year for 3 years? (a) ₹480 (b) ₹120 (c) ₹360 (d) ₹3360
30. 30.₹9000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1440 (b) ₹10800 (c) ₹9360 (d) ₹10440
31. 31.₹9500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹1710 (b) ₹11210 (c) ₹11780 (d) ₹10070
32. 32.In how many years will ₹8500 earn ₹2125 simple interest at 5% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
33. 33.In how many years will ₹3000 earn ₹360 simple interest at 3% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
34. 34.What is the simple interest on ₹9500 at 6% per year for 5 years? (a) ₹12350 (b) ₹3420 (c) ₹2850 (d) ₹570
35. 35.In how many years will ₹7500 earn ₹1350 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
36. 36.What is the simple interest on ₹7500 at 3% per year for 3 years? (a) ₹225 (b) ₹675 (c) ₹8175 (d) ₹900
37. 37.What is the simple interest on ₹4500 at 9% per year for 3 years? (a) ₹5715 (b) ₹1620 (c) ₹1215 (d) ₹405
38. 38.₹2000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹2880 (b) ₹880 (c) ₹2220 (d) ₹3100
39. 39.In how many years will ₹2500 earn ₹1375 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
40. 40.The simple interest on ₹6000 for 3 years is ₹720. What is the rate per year? (a) 12% (b) 3% (c) 5% (d) 4%

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