Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 512 · 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 2% per year for 4 years? (a) ₹2160 (b) ₹160 (c) ₹200 (d) ₹40
2. 2.What is the simple interest on ₹1000 at 6% per year for 2 years? (a) ₹180 (b) ₹60 (c) ₹120 (d) ₹1120
3. 3.The simple interest on ₹2000 for 3 years is ₹540. What is the rate per year? (a) 9% (b) 10% (c) 27% (d) 8%
4. 4.What is the simple interest on ₹5500 at 2% per year for 3 years? (a) ₹110 (b) ₹440 (c) ₹330 (d) ₹5830
5. 5.What is the simple interest on ₹6000 at 12% per year for 2 years? (a) ₹2160 (b) ₹720 (c) ₹7440 (d) ₹1440
6. 6.In how many years will ₹1000 earn ₹90 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
7. 7.The simple interest on ₹2000 for 5 years is ₹600. What is the rate per year? (a) 5% (b) 7% (c) 6% (d) 30%
8. 8.The simple interest on ₹2000 for 5 years is ₹1000. What is the rate per year? (a) 9% (b) 10% (c) 50% (d) 11%
9. 9.₹2500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹3500 (b) ₹3700 (c) ₹2700 (d) ₹1000
10. 10.The simple interest on ₹3500 for 5 years is ₹1225. What is the rate per year? (a) 35% (b) 6% (c) 7% (d) 8%
11. 11.The simple interest on ₹6000 for 5 years is ₹3300. What is the rate per year? (a) 10% (b) 12% (c) 55% (d) 11%
12. 12.In how many years will ₹3000 earn ₹1350 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
13. 13.What is the simple interest on ₹1000 at 4% per year for 5 years? (a) ₹40 (b) ₹240 (c) ₹200 (d) ₹1200
14. 14.In how many years will ₹9500 earn ₹1900 simple interest at 5% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
15. 15.In how many years will ₹9000 earn ₹4050 simple interest at 9% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
16. 16.What is the simple interest on ₹6000 at 11% per year for 3 years? (a) ₹660 (b) ₹1980 (c) ₹7980 (d) ₹2640
17. 17.The simple interest on ₹2500 for 5 years is ₹750. What is the rate per year? (a) 7% (b) 30% (c) 5% (d) 6%
18. 18.In how many years will ₹1000 earn ₹600 simple interest at 12% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
19. 19.₹8000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹960 (b) ₹8320 (c) ₹8960 (d) ₹9280
20. 20.In how many years will ₹10000 earn ₹1500 simple interest at 3% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
21. 21.What is the simple interest on ₹1500 at 8% per year for 2 years? (a) ₹360 (b) ₹120 (c) ₹1740 (d) ₹240
22. 22.In how many years will ₹8000 earn ₹4800 simple interest at 12% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
23. 23.In how many years will ₹9500 earn ₹3800 simple interest at 10% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
24. 24.₹6000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹480 (b) ₹6720 (c) ₹6480 (d) ₹6240
25. 25.₹5000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹5500 (b) ₹5100 (c) ₹5400 (d) ₹400
26. 26.The simple interest on ₹6500 for 5 years is ₹2925. What is the rate per year? (a) 8% (b) 9% (c) 45% (d) 10%
27. 27.The simple interest on ₹5000 for 3 years is ₹1200. What is the rate per year? (a) 24% (b) 7% (c) 8% (d) 9%
28. 28.The simple interest on ₹7000 for 2 years is ₹1540. What is the rate per year? (a) 12% (b) 10% (c) 22% (d) 11%
29. 29.₹8500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹850 (b) ₹9520 (c) ₹8670 (d) ₹9350
30. 30.What is the simple interest on ₹8000 at 10% per year for 5 years? (a) ₹12000 (b) ₹4800 (c) ₹4000 (d) ₹800
31. 31.What is the simple interest on ₹2500 at 10% per year for 5 years? (a) ₹250 (b) ₹1250 (c) ₹3750 (d) ₹1500
32. 32.₹7500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹10800 (b) ₹9975 (c) ₹2475 (d) ₹8325
33. 33.₹10000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹11800 (b) ₹1200 (c) ₹11200 (d) ₹10600
34. 34.₹2500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹3550 (b) ₹3375 (c) ₹875 (d) ₹2675
35. 35.The simple interest on ₹2500 for 4 years is ₹1000. What is the rate per year? (a) 11% (b) 9% (c) 40% (d) 10%
36. 36.The simple interest on ₹8500 for 4 years is ₹2040. What is the rate per year? (a) 7% (b) 6% (c) 5% (d) 24%
37. 37.In how many years will ₹5500 earn ₹1925 simple interest at 7% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
38. 38.What is the simple interest on ₹2500 at 3% per year for 5 years? (a) ₹75 (b) ₹2875 (c) ₹450 (d) ₹375
39. 39.What is the simple interest on ₹5500 at 7% per year for 3 years? (a) ₹6655 (b) ₹1540 (c) ₹385 (d) ₹1155
40. 40.What is the simple interest on ₹3500 at 11% per year for 3 years? (a) ₹1155 (b) ₹1540 (c) ₹385 (d) ₹4655

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