Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 323 · 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.₹3000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹3360 (b) ₹3060 (c) ₹3300 (d) ₹300
2. 2.₹1500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹2100 (b) ₹600 (c) ₹1620 (d) ₹2220
3. 3.The simple interest on ₹5000 for 5 years is ₹1250. What is the rate per year? (a) 25% (b) 5% (c) 4% (d) 6%
4. 4.The simple interest on ₹6000 for 5 years is ₹3300. What is the rate per year? (a) 10% (b) 11% (c) 12% (d) 55%
5. 5.What is the simple interest on ₹7500 at 10% per year for 2 years? (a) ₹1500 (b) ₹2250 (c) ₹750 (d) ₹9000
6. 6.₹2500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹2550 (b) ₹250 (c) ₹2800 (d) ₹2750
7. 7.The simple interest on ₹7000 for 5 years is ₹2450. What is the rate per year? (a) 35% (b) 8% (c) 7% (d) 6%
8. 8.₹6000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹6120 (b) ₹6480 (c) ₹480 (d) ₹6600
9. 9.₹8000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹9920 (b) ₹8960 (c) ₹10880 (d) ₹1920
10. 10.The simple interest on ₹3000 for 5 years is ₹750. What is the rate per year? (a) 6% (b) 5% (c) 25% (d) 4%
11. 11.The simple interest on ₹1500 for 2 years is ₹270. What is the rate per year? (a) 10% (b) 8% (c) 9% (d) 18%
12. 12.The simple interest on ₹6500 for 2 years is ₹260. What is the rate per year? (a) 4% (b) 2% (c) 1% (d) 3%
13. 13.What is the simple interest on ₹2500 at 9% per year for 3 years? (a) ₹900 (b) ₹675 (c) ₹3175 (d) ₹225
14. 14.In how many years will ₹7000 earn ₹420 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
15. 15.In how many years will ₹1500 earn ₹120 simple interest at 4% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
16. 16.In how many years will ₹3000 earn ₹660 simple interest at 11% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
17. 17.₹8000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹2800 (b) ₹11360 (c) ₹10800 (d) ₹8560
18. 18.What is the simple interest on ₹7500 at 7% per year for 4 years? (a) ₹9600 (b) ₹2100 (c) ₹525 (d) ₹2625
19. 19.In how many years will ₹9500 earn ₹3040 simple interest at 8% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
20. 20.₹7000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹2310 (b) ₹10080 (c) ₹7770 (d) ₹9310
21. 21.What is the simple interest on ₹8000 at 9% per year for 5 years? (a) ₹4320 (b) ₹3600 (c) ₹11600 (d) ₹720
22. 22.What is the simple interest on ₹8000 at 5% per year for 3 years? (a) ₹9200 (b) ₹400 (c) ₹1200 (d) ₹1600
23. 23.₹5500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹6050 (b) ₹440 (c) ₹5610 (d) ₹5940
24. 24.₹6500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹7670 (b) ₹7475 (c) ₹6695 (d) ₹975
25. 25.The simple interest on ₹4500 for 2 years is ₹360. What is the rate per year? (a) 3% (b) 8% (c) 5% (d) 4%
26. 26.What is the simple interest on ₹2000 at 10% per year for 5 years? (a) ₹1200 (b) ₹200 (c) ₹1000 (d) ₹3000
27. 27.₹1000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1330 (b) ₹1110 (c) ₹1220 (d) ₹220
28. 28.In how many years will ₹2000 earn ₹600 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
29. 29.What is the simple interest on ₹4500 at 9% per year for 5 years? (a) ₹6525 (b) ₹405 (c) ₹2430 (d) ₹2025
30. 30.In how many years will ₹5000 earn ₹300 simple interest at 2% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
31. 31.The simple interest on ₹8000 for 3 years is ₹720. What is the rate per year? (a) 9% (b) 4% (c) 2% (d) 3%
32. 32.₹9000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹11160 (b) ₹9540 (c) ₹2160 (d) ₹11700
33. 33.What is the simple interest on ₹3500 at 5% per year for 3 years? (a) ₹4025 (b) ₹700 (c) ₹525 (d) ₹175
34. 34.₹1000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹1600 (b) ₹1120 (c) ₹480 (d) ₹1480
35. 35.What is the simple interest on ₹2000 at 8% per year for 2 years? (a) ₹480 (b) ₹320 (c) ₹2320 (d) ₹160
36. 36.The simple interest on ₹7500 for 3 years is ₹2250. What is the rate per year? (a) 10% (b) 9% (c) 30% (d) 11%
37. 37.₹3500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹3640 (b) ₹3780 (c) ₹280 (d) ₹3920
38. 38.What is the simple interest on ₹3500 at 3% per year for 5 years? (a) ₹4025 (b) ₹630 (c) ₹105 (d) ₹525
39. 39.The simple interest on ₹3500 for 2 years is ₹770. What is the rate per year? (a) 11% (b) 22% (c) 12% (d) 10%
40. 40.The simple interest on ₹5000 for 4 years is ₹400. What is the rate per year? (a) 2% (b) 1% (c) 8% (d) 3%

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