Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 975 · 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.In how many years will ₹9500 earn ₹2565 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
2. 2.In how many years will ₹8500 earn ₹2720 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
3. 3.In how many years will ₹9000 earn ₹810 simple interest at 3% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
4. 4.The simple interest on ₹2500 for 4 years is ₹1200. What is the rate per year? (a) 13% (b) 48% (c) 12% (d) 11%
5. 5.What is the simple interest on ₹9000 at 11% per year for 4 years? (a) ₹12960 (b) ₹4950 (c) ₹3960 (d) ₹990
6. 6.In how many years will ₹8500 earn ₹4080 simple interest at 12% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
7. 7.In how many years will ₹8000 earn ₹480 simple interest at 2% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
8. 8.In how many years will ₹3000 earn ₹480 simple interest at 8% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
9. 9.₹5500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹5940 (b) ₹7700 (c) ₹1760 (d) ₹7260
10. 10.What is the simple interest on ₹8500 at 9% per year for 4 years? (a) ₹765 (b) ₹11560 (c) ₹3825 (d) ₹3060
11. 11.The simple interest on ₹3500 for 2 years is ₹140. What is the rate per year? (a) 4% (b) 3% (c) 1% (d) 2%
12. 12.The simple interest on ₹8500 for 2 years is ₹1020. What is the rate per year? (a) 7% (b) 12% (c) 5% (d) 6%
13. 13.₹5000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹7100 (b) ₹1750 (c) ₹5350 (d) ₹6750
14. 14.In how many years will ₹10000 earn ₹1200 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
15. 15.The simple interest on ₹8000 for 5 years is ₹1600. What is the rate per year? (a) 4% (b) 3% (c) 5% (d) 20%
16. 16.The simple interest on ₹8000 for 3 years is ₹480. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 6%
17. 17.What is the simple interest on ₹2000 at 2% per year for 3 years? (a) ₹40 (b) ₹160 (c) ₹120 (d) ₹2120
18. 18.₹9500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹3325 (b) ₹13490 (c) ₹10165 (d) ₹12825
19. 19.The simple interest on ₹2500 for 5 years is ₹1250. What is the rate per year? (a) 50% (b) 9% (c) 10% (d) 11%
20. 20.The simple interest on ₹5500 for 3 years is ₹1485. What is the rate per year? (a) 10% (b) 27% (c) 8% (d) 9%
21. 21.What is the simple interest on ₹5500 at 7% per year for 3 years? (a) ₹385 (b) ₹1155 (c) ₹1540 (d) ₹6655
22. 22.What is the simple interest on ₹5500 at 8% per year for 2 years? (a) ₹440 (b) ₹1320 (c) ₹6380 (d) ₹880
23. 23.What is the simple interest on ₹8000 at 4% per year for 5 years? (a) ₹1600 (b) ₹320 (c) ₹9600 (d) ₹1920
24. 24.The simple interest on ₹2000 for 4 years is ₹880. What is the rate per year? (a) 11% (b) 12% (c) 10% (d) 44%
25. 25.In how many years will ₹8500 earn ₹1275 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
26. 26.The simple interest on ₹3500 for 3 years is ₹945. What is the rate per year? (a) 27% (b) 9% (c) 10% (d) 8%
27. 27.₹3500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹3570 (b) ₹3920 (c) ₹3850 (d) ₹350
28. 28.₹3000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹4320 (b) ₹3330 (c) ₹3990 (d) ₹990
29. 29.₹2000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹1100 (b) ₹3320 (c) ₹2220 (d) ₹3100
30. 30.In how many years will ₹5000 earn ₹600 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
31. 31.In how many years will ₹2000 earn ₹360 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
32. 32.₹1000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1210 (b) ₹1140 (c) ₹140 (d) ₹1070
33. 33.In how many years will ₹4000 earn ₹800 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
34. 34.In how many years will ₹6000 earn ₹1200 simple interest at 4% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
35. 35.What is the simple interest on ₹7500 at 11% per year for 5 years? (a) ₹4950 (b) ₹825 (c) ₹4125 (d) ₹11625
36. 36.In how many years will ₹3000 earn ₹600 simple interest at 10% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
37. 37.₹7500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹10200 (b) ₹9525 (c) ₹8175 (d) ₹2025
38. 38.₹4000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹720 (b) ₹4360 (c) ₹5080 (d) ₹4720
39. 39.The simple interest on ₹7500 for 2 years is ₹600. What is the rate per year? (a) 5% (b) 8% (c) 4% (d) 3%
40. 40.What is the simple interest on ₹4000 at 2% per year for 5 years? (a) ₹480 (b) ₹400 (c) ₹4400 (d) ₹80

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