Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 543 · 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 ₹3500 at 3% per year for 4 years? (a) ₹3920 (b) ₹525 (c) ₹420 (d) ₹105
2. 2.The simple interest on ₹4500 for 3 years is ₹540. What is the rate per year? (a) 3% (b) 12% (c) 4% (d) 5%
3. 3.₹2500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹2550 (b) ₹2750 (c) ₹250 (d) ₹2800
4. 4.What is the simple interest on ₹9000 at 2% per year for 5 years? (a) ₹1080 (b) ₹180 (c) ₹9900 (d) ₹900
5. 5.What is the simple interest on ₹1000 at 10% per year for 3 years? (a) ₹100 (b) ₹1300 (c) ₹300 (d) ₹400
6. 6.₹2000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹2040 (b) ₹120 (c) ₹2120 (d) ₹2160
7. 7.What is the simple interest on ₹9000 at 6% per year for 2 years? (a) ₹1620 (b) ₹10080 (c) ₹540 (d) ₹1080
8. 8.The simple interest on ₹5000 for 5 years is ₹750. What is the rate per year? (a) 4% (b) 15% (c) 3% (d) 2%
9. 9.What is the simple interest on ₹1000 at 4% per year for 4 years? (a) ₹40 (b) ₹160 (c) ₹1160 (d) ₹200
10. 10.What is the simple interest on ₹4500 at 12% per year for 5 years? (a) ₹540 (b) ₹7200 (c) ₹2700 (d) ₹3240
11. 11.The simple interest on ₹6000 for 4 years is ₹1920. What is the rate per year? (a) 8% (b) 7% (c) 32% (d) 9%
12. 12.What is the simple interest on ₹2000 at 5% per year for 2 years? (a) ₹2200 (b) ₹100 (c) ₹300 (d) ₹200
13. 13.₹8500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹13600 (b) ₹4080 (c) ₹12580 (d) ₹9520
14. 14.What is the simple interest on ₹10000 at 3% per year for 5 years? (a) ₹1800 (b) ₹11500 (c) ₹1500 (d) ₹300
15. 15.The simple interest on ₹9500 for 4 years is ₹3040. What is the rate per year? (a) 7% (b) 9% (c) 32% (d) 8%
16. 16.₹2000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹2040 (b) ₹2160 (c) ₹2200 (d) ₹160
17. 17.In how many years will ₹10000 earn ₹1800 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
18. 18.₹1000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1160 (b) ₹120 (c) ₹1120 (d) ₹1040
19. 19.In how many years will ₹1000 earn ₹80 simple interest at 2% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
20. 20.₹2500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹2550 (b) ₹2700 (c) ₹150 (d) ₹2650
21. 21.₹3000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹3240 (b) ₹1200 (c) ₹4440 (d) ₹4200
22. 22.₹1000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹1080 (b) ₹1160 (c) ₹160 (d) ₹1240
23. 23.In how many years will ₹9000 earn ₹360 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
24. 24.What is the simple interest on ₹2000 at 7% per year for 2 years? (a) ₹420 (b) ₹280 (c) ₹2280 (d) ₹140
25. 25.₹4000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹4200 (b) ₹4400 (c) ₹400 (d) ₹4600
26. 26.₹1000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹1350 (b) ₹350 (c) ₹1070 (d) ₹1420
27. 27.In how many years will ₹3500 earn ₹1225 simple interest at 7% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
28. 28.The simple interest on ₹9500 for 2 years is ₹950. What is the rate per year? (a) 4% (b) 10% (c) 6% (d) 5%
29. 29.In how many years will ₹2000 earn ₹540 simple interest at 9% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
30. 30.₹3500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹3710 (b) ₹420 (c) ₹3920 (d) ₹4130
31. 31.₹1500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹1635 (b) ₹2175 (c) ₹2040 (d) ₹540
32. 32.What is the simple interest on ₹8500 at 6% per year for 5 years? (a) ₹3060 (b) ₹11050 (c) ₹510 (d) ₹2550
33. 33.In how many years will ₹9500 earn ₹3135 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
34. 34.₹4500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹6390 (b) ₹1575 (c) ₹4815 (d) ₹6075
35. 35.In how many years will ₹8000 earn ₹800 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
36. 36.What is the simple interest on ₹1500 at 9% per year for 4 years? (a) ₹2040 (b) ₹135 (c) ₹675 (d) ₹540
37. 37.The simple interest on ₹5000 for 3 years is ₹900. What is the rate per year? (a) 7% (b) 5% (c) 18% (d) 6%
38. 38.The simple interest on ₹3000 for 3 years is ₹990. What is the rate per year? (a) 12% (b) 11% (c) 33% (d) 10%
39. 39.₹6500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹585 (b) ₹7280 (c) ₹7085 (d) ₹6695
40. 40.In how many years will ₹1500 earn ₹150 simple interest at 5% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years

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