Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 263 · 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 ₹5000 at 6% per year for 2 years? (a) ₹300 (b) ₹5600 (c) ₹600 (d) ₹900
2. 2.₹3500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹3780 (b) ₹3920 (c) ₹280 (d) ₹3640
3. 3.The simple interest on ₹7000 for 2 years is ₹1540. What is the rate per year? (a) 12% (b) 22% (c) 11% (d) 10%
4. 4.What is the simple interest on ₹2000 at 4% per year for 4 years? (a) ₹400 (b) ₹320 (c) ₹80 (d) ₹2320
5. 5.The simple interest on ₹8500 for 5 years is ₹3825. What is the rate per year? (a) 10% (b) 45% (c) 9% (d) 8%
6. 6.₹2500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹2950 (b) ₹2650 (c) ₹3100 (d) ₹450
7. 7.₹1000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹300 (b) ₹1100 (c) ₹1400 (d) ₹1300
8. 8.In how many years will ₹3000 earn ₹840 simple interest at 7% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
9. 9.In how many years will ₹9000 earn ₹4500 simple interest at 10% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
10. 10.₹8500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹9520 (b) ₹5100 (c) ₹14620 (d) ₹13600
11. 11.In how many years will ₹5500 earn ₹330 simple interest at 3% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
12. 12.In how many years will ₹9500 earn ₹3325 simple interest at 7% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
13. 13.What is the simple interest on ₹10000 at 9% per year for 5 years? (a) ₹5400 (b) ₹900 (c) ₹14500 (d) ₹4500
14. 14.The simple interest on ₹5000 for 2 years is ₹1000. What is the rate per year? (a) 10% (b) 20% (c) 11% (d) 9%
15. 15.₹1000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹500 (b) ₹1500 (c) ₹1600 (d) ₹1100
16. 16.₹6500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹7215 (b) ₹8645 (c) ₹7930 (d) ₹1430
17. 17.In how many years will ₹1000 earn ₹80 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
18. 18.₹8000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹480 (b) ₹8240 (c) ₹8720 (d) ₹8480
19. 19.The simple interest on ₹7000 for 4 years is ₹2800. What is the rate per year? (a) 9% (b) 40% (c) 11% (d) 10%
20. 20.In how many years will ₹3000 earn ₹630 simple interest at 7% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
21. 21.The simple interest on ₹6000 for 2 years is ₹720. What is the rate per year? (a) 5% (b) 7% (c) 6% (d) 12%
22. 22.The simple interest on ₹3000 for 5 years is ₹1350. What is the rate per year? (a) 10% (b) 45% (c) 8% (d) 9%
23. 23.₹1500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹60 (b) ₹1560 (c) ₹1590 (d) ₹1530
24. 24.In how many years will ₹7500 earn ₹600 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
25. 25.The simple interest on ₹1000 for 5 years is ₹100. What is the rate per year? (a) 10% (b) 1% (c) 2% (d) 3%
26. 26.The simple interest on ₹7000 for 5 years is ₹1400. What is the rate per year? (a) 5% (b) 20% (c) 3% (d) 4%
27. 27.The simple interest on ₹3000 for 5 years is ₹1200. What is the rate per year? (a) 8% (b) 40% (c) 9% (d) 7%
28. 28.₹8000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1760 (b) ₹10640 (c) ₹9760 (d) ₹8880
29. 29.₹2500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹2725 (b) ₹3175 (c) ₹450 (d) ₹2950
30. 30.What is the simple interest on ₹2500 at 9% per year for 2 years? (a) ₹225 (b) ₹2950 (c) ₹450 (d) ₹675
31. 31.The simple interest on ₹1000 for 5 years is ₹350. What is the rate per year? (a) 35% (b) 6% (c) 8% (d) 7%
32. 32.The simple interest on ₹1500 for 2 years is ₹60. What is the rate per year? (a) 2% (b) 1% (c) 3% (d) 4%
33. 33.What is the simple interest on ₹4000 at 3% per year for 2 years? (a) ₹4240 (b) ₹120 (c) ₹240 (d) ₹360
34. 34.In how many years will ₹2500 earn ₹900 simple interest at 12% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
35. 35.In how many years will ₹7000 earn ₹1120 simple interest at 4% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
36. 36.₹3500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹3850 (b) ₹700 (c) ₹4550 (d) ₹4200
37. 37.In how many years will ₹2500 earn ₹250 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
38. 38.In how many years will ₹9500 earn ₹760 simple interest at 2% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
39. 39.₹9000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹9810 (b) ₹2430 (c) ₹11430 (d) ₹12240
40. 40.₹4500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹6975 (b) ₹6480 (c) ₹1980 (d) ₹4995

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