Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 299 · 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.₹4000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹4200 (b) ₹4600 (c) ₹600 (d) ₹4800
2. 2.What is the simple interest on ₹2000 at 9% per year for 4 years? (a) ₹900 (b) ₹180 (c) ₹2720 (d) ₹720
3. 3.The simple interest on ₹1500 for 3 years is ₹135. What is the rate per year? (a) 9% (b) 3% (c) 4% (d) 2%
4. 4.₹8500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹10540 (b) ₹2040 (c) ₹11560 (d) ₹9520
5. 5.The simple interest on ₹5500 for 2 years is ₹1320. What is the rate per year? (a) 24% (b) 13% (c) 12% (d) 11%
6. 6.₹2500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹3100 (b) ₹400 (c) ₹2700 (d) ₹2900
7. 7.What is the simple interest on ₹8500 at 2% per year for 3 years? (a) ₹9010 (b) ₹680 (c) ₹510 (d) ₹170
8. 8.What is the simple interest on ₹6000 at 8% per year for 3 years? (a) ₹7440 (b) ₹1920 (c) ₹1440 (d) ₹480
9. 9.What is the simple interest on ₹3000 at 3% per year for 3 years? (a) ₹3270 (b) ₹270 (c) ₹90 (d) ₹360
10. 10.In how many years will ₹7000 earn ₹2100 simple interest at 6% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
11. 11.The simple interest on ₹1500 for 5 years is ₹375. What is the rate per year? (a) 5% (b) 4% (c) 6% (d) 25%
12. 12.₹2500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹2750 (b) ₹2550 (c) ₹2800 (d) ₹250
13. 13.What is the simple interest on ₹3000 at 12% per year for 3 years? (a) ₹1080 (b) ₹4080 (c) ₹1440 (d) ₹360
14. 14.What is the simple interest on ₹7500 at 8% per year for 5 years? (a) ₹3600 (b) ₹10500 (c) ₹3000 (d) ₹600
15. 15.In how many years will ₹8000 earn ₹1920 simple interest at 12% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
16. 16.The simple interest on ₹10000 for 5 years is ₹5000. What is the rate per year? (a) 10% (b) 11% (c) 9% (d) 50%
17. 17.In how many years will ₹1500 earn ₹90 simple interest at 2% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
18. 18.₹9000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹9360 (b) ₹10440 (c) ₹10800 (d) ₹1440
19. 19.₹4000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1200 (b) ₹5600 (c) ₹4400 (d) ₹5200
20. 20.The simple interest on ₹1000 for 5 years is ₹500. What is the rate per year? (a) 11% (b) 50% (c) 9% (d) 10%
21. 21.What is the simple interest on ₹9000 at 5% per year for 5 years? (a) ₹450 (b) ₹2250 (c) ₹2700 (d) ₹11250
22. 22.The simple interest on ₹8000 for 4 years is ₹960. What is the rate per year? (a) 4% (b) 12% (c) 2% (d) 3%
23. 23.In how many years will ₹2500 earn ₹1125 simple interest at 9% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
24. 24.What is the simple interest on ₹3000 at 10% per year for 5 years? (a) ₹4500 (b) ₹300 (c) ₹1800 (d) ₹1500
25. 25.What is the simple interest on ₹9500 at 11% per year for 3 years? (a) ₹1045 (b) ₹3135 (c) ₹12635 (d) ₹4180
26. 26.The simple interest on ₹2000 for 4 years is ₹400. What is the rate per year? (a) 20% (b) 6% (c) 4% (d) 5%
27. 27.What is the simple interest on ₹9000 at 10% per year for 5 years? (a) ₹5400 (b) ₹4500 (c) ₹13500 (d) ₹900
28. 28.What is the simple interest on ₹9500 at 11% per year for 4 years? (a) ₹5225 (b) ₹13680 (c) ₹4180 (d) ₹1045
29. 29.₹10000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹10600 (b) ₹10200 (c) ₹10800 (d) ₹600
30. 30.In how many years will ₹8000 earn ₹640 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
31. 31.In how many years will ₹1000 earn ₹330 simple interest at 11% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
32. 32.₹5000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹6650 (b) ₹1100 (c) ₹5550 (d) ₹6100
33. 33.In how many years will ₹2500 earn ₹1000 simple interest at 10% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
34. 34.The simple interest on ₹5000 for 4 years is ₹800. What is the rate per year? (a) 3% (b) 16% (c) 5% (d) 4%
35. 35.In how many years will ₹4500 earn ₹2475 simple interest at 11% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
36. 36.₹7000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹9520 (b) ₹7630 (c) ₹8890 (d) ₹1890
37. 37.In how many years will ₹1500 earn ₹450 simple interest at 10% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
38. 38.What is the simple interest on ₹3000 at 10% per year for 2 years? (a) ₹900 (b) ₹3600 (c) ₹600 (d) ₹300
39. 39.In how many years will ₹10000 earn ₹1500 simple interest at 3% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
40. 40.₹8500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹14110 (b) ₹13175 (c) ₹9435 (d) ₹4675

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