Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 873 · 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 ₹4500 earn ₹2475 simple interest at 11% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
2. 2.In how many years will ₹3500 earn ₹420 simple interest at 4% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
3. 3.₹6500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹8125 (b) ₹1300 (c) ₹7800 (d) ₹6825
4. 4.The simple interest on ₹1500 for 5 years is ₹675. What is the rate per year? (a) 45% (b) 9% (c) 8% (d) 10%
5. 5.In how many years will ₹2500 earn ₹250 simple interest at 5% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
6. 6.What is the simple interest on ₹8000 at 10% per year for 4 years? (a) ₹11200 (b) ₹800 (c) ₹3200 (d) ₹4000
7. 7.The simple interest on ₹9500 for 2 years is ₹760. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 8%
8. 8.The simple interest on ₹2500 for 4 years is ₹300. What is the rate per year? (a) 12% (b) 3% (c) 4% (d) 2%
9. 9.What is the simple interest on ₹7500 at 9% per year for 2 years? (a) ₹675 (b) ₹8850 (c) ₹1350 (d) ₹2025
10. 10.What is the simple interest on ₹4000 at 8% per year for 5 years? (a) ₹320 (b) ₹1600 (c) ₹1920 (d) ₹5600
11. 11.What is the simple interest on ₹2500 at 3% per year for 2 years? (a) ₹2650 (b) ₹75 (c) ₹150 (d) ₹225
12. 12.In how many years will ₹5500 earn ₹1320 simple interest at 12% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
13. 13.₹8000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹11200 (b) ₹2400 (c) ₹10400 (d) ₹8800
14. 14.What is the simple interest on ₹9500 at 9% per year for 2 years? (a) ₹1710 (b) ₹2565 (c) ₹855 (d) ₹11210
15. 15.The simple interest on ₹1500 for 5 years is ₹225. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 15%
16. 16.₹5500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹7975 (b) ₹2475 (c) ₹8470 (d) ₹5995
17. 17.The simple interest on ₹9000 for 5 years is ₹4950. What is the rate per year? (a) 11% (b) 10% (c) 12% (d) 55%
18. 18.₹4500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹7470 (b) ₹6975 (c) ₹2475 (d) ₹4995
19. 19.The simple interest on ₹3000 for 5 years is ₹300. What is the rate per year? (a) 1% (b) 10% (c) 3% (d) 2%
20. 20.What is the simple interest on ₹8000 at 11% per year for 3 years? (a) ₹10640 (b) ₹880 (c) ₹2640 (d) ₹3520
21. 21.What is the simple interest on ₹9500 at 7% per year for 4 years? (a) ₹2660 (b) ₹665 (c) ₹12160 (d) ₹3325
22. 22.The simple interest on ₹5500 for 3 years is ₹495. What is the rate per year? (a) 9% (b) 2% (c) 3% (d) 4%
23. 23.What is the simple interest on ₹5000 at 10% per year for 2 years? (a) ₹1000 (b) ₹500 (c) ₹6000 (d) ₹1500
24. 24.₹7000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹8890 (b) ₹8260 (c) ₹7630 (d) ₹1260
25. 25.In how many years will ₹2000 earn ₹960 simple interest at 12% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
26. 26.₹2500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹2800 (b) ₹1500 (c) ₹4300 (d) ₹4000
27. 27.The simple interest on ₹1500 for 3 years is ₹270. What is the rate per year? (a) 7% (b) 18% (c) 5% (d) 6%
28. 28.₹6500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹9230 (b) ₹2275 (c) ₹6955 (d) ₹8775
29. 29.In how many years will ₹10000 earn ₹600 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
30. 30.The simple interest on ₹4500 for 2 years is ₹360. What is the rate per year? (a) 8% (b) 5% (c) 3% (d) 4%
31. 31.What is the simple interest on ₹3000 at 9% per year for 4 years? (a) ₹270 (b) ₹4080 (c) ₹1080 (d) ₹1350
32. 32.In how many years will ₹1500 earn ₹330 simple interest at 11% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
33. 33.In how many years will ₹9000 earn ₹720 simple interest at 4% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
34. 34.What is the simple interest on ₹8000 at 4% per year for 4 years? (a) ₹9280 (b) ₹1280 (c) ₹1600 (d) ₹320
35. 35.What is the simple interest on ₹9500 at 2% per year for 4 years? (a) ₹10260 (b) ₹760 (c) ₹190 (d) ₹950
36. 36.In how many years will ₹3500 earn ₹630 simple interest at 6% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
37. 37.The simple interest on ₹9500 for 2 years is ₹1330. What is the rate per year? (a) 6% (b) 14% (c) 7% (d) 8%
38. 38.The simple interest on ₹7500 for 2 years is ₹900. What is the rate per year? (a) 7% (b) 12% (c) 6% (d) 5%
39. 39.The simple interest on ₹6500 for 3 years is ₹2340. What is the rate per year? (a) 12% (b) 13% (c) 36% (d) 11%
40. 40.What is the simple interest on ₹9500 at 3% per year for 2 years? (a) ₹855 (b) ₹570 (c) ₹285 (d) ₹10070

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