Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 35 · 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 ₹7500 at 2% per year for 5 years? (a) ₹900 (b) ₹750 (c) ₹150 (d) ₹8250
2. 2.What is the simple interest on ₹2500 at 4% per year for 4 years? (a) ₹2900 (b) ₹500 (c) ₹100 (d) ₹400
3. 3.₹1000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1240 (b) ₹1300 (c) ₹1060 (d) ₹240
4. 4.The simple interest on ₹7500 for 2 years is ₹1200. What is the rate per year? (a) 9% (b) 8% (c) 16% (d) 7%
5. 5.What is the simple interest on ₹4500 at 6% per year for 4 years? (a) ₹1350 (b) ₹270 (c) ₹5580 (d) ₹1080
6. 6.What is the simple interest on ₹2500 at 3% per year for 2 years? (a) ₹150 (b) ₹225 (c) ₹2650 (d) ₹75
7. 7.What is the simple interest on ₹7500 at 8% per year for 3 years? (a) ₹600 (b) ₹2400 (c) ₹1800 (d) ₹9300
8. 8.In how many years will ₹7500 earn ₹1800 simple interest at 6% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
9. 9.₹1000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹1100 (b) ₹100 (c) ₹1120 (d) ₹1020
10. 10.What is the simple interest on ₹4500 at 10% per year for 2 years? (a) ₹1350 (b) ₹450 (c) ₹5400 (d) ₹900
11. 11.What is the simple interest on ₹10000 at 11% per year for 4 years? (a) ₹5500 (b) ₹14400 (c) ₹4400 (d) ₹1100
12. 12.The simple interest on ₹10000 for 5 years is ₹5500. What is the rate per year? (a) 55% (b) 11% (c) 12% (d) 10%
13. 13.₹8000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹9600 (b) ₹9200 (c) ₹8400 (d) ₹1200
14. 14.What is the simple interest on ₹10000 at 8% per year for 2 years? (a) ₹11600 (b) ₹2400 (c) ₹800 (d) ₹1600
15. 15.What is the simple interest on ₹7500 at 6% per year for 4 years? (a) ₹2250 (b) ₹1800 (c) ₹9300 (d) ₹450
16. 16.What is the simple interest on ₹1500 at 8% per year for 5 years? (a) ₹720 (b) ₹600 (c) ₹2100 (d) ₹120
17. 17.What is the simple interest on ₹4500 at 7% per year for 3 years? (a) ₹5445 (b) ₹1260 (c) ₹315 (d) ₹945
18. 18.₹8500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹8670 (b) ₹340 (c) ₹9010 (d) ₹8840
19. 19.What is the simple interest on ₹9000 at 6% per year for 5 years? (a) ₹11700 (b) ₹540 (c) ₹2700 (d) ₹3240
20. 20.What is the simple interest on ₹3000 at 10% per year for 5 years? (a) ₹300 (b) ₹4500 (c) ₹1500 (d) ₹1800
21. 21.What is the simple interest on ₹8500 at 2% per year for 4 years? (a) ₹170 (b) ₹850 (c) ₹680 (d) ₹9180
22. 22.₹9500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹9975 (b) ₹1900 (c) ₹11875 (d) ₹11400
23. 23.₹8000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹10160 (b) ₹8720 (c) ₹1440 (d) ₹9440
24. 24.In how many years will ₹6000 earn ₹600 simple interest at 2% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
25. 25.What is the simple interest on ₹2000 at 8% per year for 2 years? (a) ₹320 (b) ₹2320 (c) ₹480 (d) ₹160
26. 26.What is the simple interest on ₹5500 at 6% per year for 4 years? (a) ₹330 (b) ₹6820 (c) ₹1650 (d) ₹1320
27. 27.What is the simple interest on ₹5000 at 2% per year for 4 years? (a) ₹5400 (b) ₹500 (c) ₹400 (d) ₹100
28. 28.In how many years will ₹1000 earn ₹120 simple interest at 6% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
29. 29.₹1000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹1150 (b) ₹1120 (c) ₹1030 (d) ₹120
30. 30.₹5000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹300 (b) ₹5100 (c) ₹5300 (d) ₹5400
31. 31.What is the simple interest on ₹6500 at 2% per year for 3 years? (a) ₹520 (b) ₹6890 (c) ₹390 (d) ₹130
32. 32.₹4500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹2025 (b) ₹6525 (c) ₹6930 (d) ₹4905
33. 33.The simple interest on ₹7000 for 4 years is ₹1120. What is the rate per year? (a) 16% (b) 3% (c) 5% (d) 4%
34. 34.In how many years will ₹2000 earn ₹320 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
35. 35.The simple interest on ₹3500 for 2 years is ₹630. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 18%
36. 36.In how many years will ₹8500 earn ₹3400 simple interest at 10% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
37. 37.The simple interest on ₹8500 for 2 years is ₹2040. What is the rate per year? (a) 13% (b) 24% (c) 11% (d) 12%
38. 38.In how many years will ₹5000 earn ₹1750 simple interest at 7% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
39. 39.In how many years will ₹6500 earn ₹2600 simple interest at 8% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
40. 40.₹4000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹4360 (b) ₹4120 (c) ₹4480 (d) ₹360

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