Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 999 · 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 ₹5500 at 6% per year for 5 years? (a) ₹7150 (b) ₹1980 (c) ₹1650 (d) ₹330
2. 2.The simple interest on ₹5000 for 5 years is ₹2250. What is the rate per year? (a) 10% (b) 9% (c) 45% (d) 8%
3. 3.What is the simple interest on ₹8500 at 6% per year for 4 years? (a) ₹2550 (b) ₹10540 (c) ₹510 (d) ₹2040
4. 4.₹10000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1600 (b) ₹11600 (c) ₹10400 (d) ₹12000
5. 5.₹6500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹2600 (b) ₹9750 (c) ₹7150 (d) ₹9100
6. 6.What is the simple interest on ₹3500 at 4% per year for 5 years? (a) ₹4200 (b) ₹140 (c) ₹700 (d) ₹840
7. 7.What is the simple interest on ₹9500 at 4% per year for 2 years? (a) ₹380 (b) ₹10260 (c) ₹1140 (d) ₹760
8. 8.₹4500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹4635 (b) ₹5175 (c) ₹5310 (d) ₹675
9. 9.The simple interest on ₹2500 for 3 years is ₹750. What is the rate per year? (a) 30% (b) 11% (c) 9% (d) 10%
10. 10.What is the simple interest on ₹1500 at 11% per year for 3 years? (a) ₹495 (b) ₹165 (c) ₹660 (d) ₹1995
11. 11.The simple interest on ₹1500 for 4 years is ₹240. What is the rate per year? (a) 5% (b) 16% (c) 3% (d) 4%
12. 12.The simple interest on ₹9500 for 2 years is ₹570. What is the rate per year? (a) 3% (b) 6% (c) 2% (d) 4%
13. 13.What is the simple interest on ₹3000 at 9% per year for 3 years? (a) ₹1080 (b) ₹3810 (c) ₹270 (d) ₹810
14. 14.The simple interest on ₹8500 for 3 years is ₹1020. What is the rate per year? (a) 4% (b) 12% (c) 5% (d) 3%
15. 15.What is the simple interest on ₹3000 at 12% per year for 4 years? (a) ₹360 (b) ₹1440 (c) ₹1800 (d) ₹4440
16. 16.The simple interest on ₹5500 for 4 years is ₹880. What is the rate per year? (a) 4% (b) 3% (c) 16% (d) 5%
17. 17.The simple interest on ₹8000 for 3 years is ₹1440. What is the rate per year? (a) 6% (b) 7% (c) 5% (d) 18%
18. 18.In how many years will ₹6000 earn ₹1500 simple interest at 5% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
19. 19.The simple interest on ₹3500 for 5 years is ₹525. What is the rate per year? (a) 15% (b) 4% (c) 2% (d) 3%
20. 20.In how many years will ₹5500 earn ₹220 simple interest at 2% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
21. 21.The simple interest on ₹9500 for 4 years is ₹4560. What is the rate per year? (a) 13% (b) 12% (c) 11% (d) 48%
22. 22.₹5500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹6050 (b) ₹440 (c) ₹5940 (d) ₹5610
23. 23.In how many years will ₹2000 earn ₹160 simple interest at 2% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
24. 24.The simple interest on ₹4000 for 5 years is ₹1200. What is the rate per year? (a) 7% (b) 6% (c) 5% (d) 30%
25. 25.The simple interest on ₹6500 for 4 years is ₹1300. What is the rate per year? (a) 5% (b) 4% (c) 20% (d) 6%
26. 26.₹1000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹1080 (b) ₹1100 (c) ₹80 (d) ₹1020
27. 27.The simple interest on ₹8000 for 4 years is ₹1280. What is the rate per year? (a) 16% (b) 3% (c) 4% (d) 5%
28. 28.₹9000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹9360 (b) ₹10080 (c) ₹720 (d) ₹9720
29. 29.₹6000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1320 (b) ₹7980 (c) ₹7320 (d) ₹6660
30. 30.What is the simple interest on ₹5000 at 3% per year for 3 years? (a) ₹150 (b) ₹600 (c) ₹450 (d) ₹5450
31. 31.The simple interest on ₹5500 for 5 years is ₹2200. What is the rate per year? (a) 9% (b) 40% (c) 7% (d) 8%
32. 32.What is the simple interest on ₹9000 at 8% per year for 2 years? (a) ₹2160 (b) ₹10440 (c) ₹720 (d) ₹1440
33. 33.In how many years will ₹8500 earn ₹2125 simple interest at 5% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
34. 34.The simple interest on ₹8000 for 4 years is ₹3200. What is the rate per year? (a) 10% (b) 11% (c) 40% (d) 9%
35. 35.In how many years will ₹7500 earn ₹2700 simple interest at 12% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
36. 36.₹1000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹120 (b) ₹1120 (c) ₹1180 (d) ₹1060
37. 37.What is the simple interest on ₹3000 at 7% per year for 2 years? (a) ₹210 (b) ₹420 (c) ₹630 (d) ₹3420
38. 38.What is the simple interest on ₹6000 at 11% per year for 3 years? (a) ₹2640 (b) ₹660 (c) ₹7980 (d) ₹1980
39. 39.The simple interest on ₹5000 for 2 years is ₹200. What is the rate per year? (a) 2% (b) 4% (c) 1% (d) 3%
40. 40.₹3500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹5425 (b) ₹1540 (c) ₹5040 (d) ₹3885

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