Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 822 · 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.₹2500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹3700 (b) ₹1000 (c) ₹2700 (d) ₹3500
2. 2.In how many years will ₹3000 earn ₹360 simple interest at 3% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
3. 3.In how many years will ₹9000 earn ₹3600 simple interest at 10% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
4. 4.What is the simple interest on ₹8000 at 11% per year for 2 years? (a) ₹2640 (b) ₹1760 (c) ₹9760 (d) ₹880
5. 5.What is the simple interest on ₹2000 at 11% per year for 3 years? (a) ₹880 (b) ₹660 (c) ₹220 (d) ₹2660
6. 6.₹6500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹2080 (b) ₹7020 (c) ₹9100 (d) ₹8580
7. 7.In how many years will ₹5500 earn ₹330 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
8. 8.What is the simple interest on ₹8000 at 3% per year for 3 years? (a) ₹960 (b) ₹8720 (c) ₹240 (d) ₹720
9. 9.In how many years will ₹6500 earn ₹2600 simple interest at 10% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
10. 10.What is the simple interest on ₹2500 at 7% per year for 5 years? (a) ₹875 (b) ₹175 (c) ₹1050 (d) ₹3375
11. 11.₹4000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹400 (b) ₹4480 (c) ₹4400 (d) ₹4080
12. 12.What is the simple interest on ₹6000 at 7% per year for 4 years? (a) ₹1680 (b) ₹7680 (c) ₹2100 (d) ₹420
13. 13.The simple interest on ₹10000 for 2 years is ₹1200. What is the rate per year? (a) 6% (b) 7% (c) 5% (d) 12%
14. 14.What is the simple interest on ₹4000 at 10% per year for 4 years? (a) ₹5600 (b) ₹400 (c) ₹2000 (d) ₹1600
15. 15.₹3500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹4130 (b) ₹525 (c) ₹3605 (d) ₹4025
16. 16.₹9000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹9810 (b) ₹540 (c) ₹9540 (d) ₹9270
17. 17.The simple interest on ₹5000 for 4 years is ₹1200. What is the rate per year? (a) 5% (b) 6% (c) 24% (d) 7%
18. 18.In how many years will ₹8000 earn ₹2160 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
19. 19.In how many years will ₹3000 earn ₹660 simple interest at 11% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
20. 20.What is the simple interest on ₹3000 at 12% per year for 3 years? (a) ₹360 (b) ₹1440 (c) ₹1080 (d) ₹4080
21. 21.What is the simple interest on ₹5500 at 11% per year for 3 years? (a) ₹1815 (b) ₹605 (c) ₹2420 (d) ₹7315
22. 22.The simple interest on ₹10000 for 3 years is ₹600. What is the rate per year? (a) 1% (b) 6% (c) 2% (d) 3%
23. 23.In how many years will ₹5000 earn ₹800 simple interest at 8% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
24. 24.What is the simple interest on ₹9000 at 12% per year for 5 years? (a) ₹1080 (b) ₹6480 (c) ₹5400 (d) ₹14400
25. 25.In how many years will ₹9500 earn ₹1425 simple interest at 5% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
26. 26.₹4000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹6200 (b) ₹2200 (c) ₹4440 (d) ₹6640
27. 27.The simple interest on ₹6500 for 5 years is ₹3900. What is the rate per year? (a) 13% (b) 12% (c) 60% (d) 11%
28. 28.The simple interest on ₹6000 for 4 years is ₹720. What is the rate per year? (a) 4% (b) 12% (c) 3% (d) 2%
29. 29.The simple interest on ₹10000 for 5 years is ₹5500. What is the rate per year? (a) 12% (b) 55% (c) 10% (d) 11%
30. 30.In how many years will ₹9500 earn ₹1995 simple interest at 7% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
31. 31.₹2500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹2550 (b) ₹250 (c) ₹2800 (d) ₹2750
32. 32.What is the simple interest on ₹8500 at 10% per year for 4 years? (a) ₹850 (b) ₹11900 (c) ₹3400 (d) ₹4250
33. 33.In how many years will ₹5000 earn ₹1800 simple interest at 12% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
34. 34.What is the simple interest on ₹1000 at 10% per year for 5 years? (a) ₹600 (b) ₹100 (c) ₹500 (d) ₹1500
35. 35.In how many years will ₹8000 earn ₹1200 simple interest at 5% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
36. 36.The simple interest on ₹6000 for 2 years is ₹960. What is the rate per year? (a) 7% (b) 16% (c) 8% (d) 9%
37. 37.In how many years will ₹8500 earn ₹3060 simple interest at 9% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
38. 38.₹2000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹1000 (b) ₹3000 (c) ₹2200 (d) ₹3200
39. 39.In how many years will ₹5500 earn ₹1100 simple interest at 10% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
40. 40.In how many years will ₹8000 earn ₹1600 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years

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