Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 838 · 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 ₹9000 earn ₹1080 simple interest at 3% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
2. 2.₹4000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹4360 (b) ₹5800 (c) ₹1440 (d) ₹5440
3. 3.In how many years will ₹5000 earn ₹1800 simple interest at 12% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
4. 4.What is the simple interest on ₹9000 at 11% per year for 3 years? (a) ₹11970 (b) ₹3960 (c) ₹990 (d) ₹2970
5. 5.In how many years will ₹6500 earn ₹650 simple interest at 2% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
6. 6.In how many years will ₹9500 earn ₹1900 simple interest at 10% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
7. 7.What is the simple interest on ₹5500 at 2% per year for 5 years? (a) ₹550 (b) ₹660 (c) ₹6050 (d) ₹110
8. 8.What is the simple interest on ₹1500 at 11% per year for 5 years? (a) ₹2325 (b) ₹990 (c) ₹825 (d) ₹165
9. 9.What is the simple interest on ₹6000 at 2% per year for 5 years? (a) ₹600 (b) ₹6600 (c) ₹720 (d) ₹120
10. 10.In how many years will ₹10000 earn ₹3200 simple interest at 8% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
11. 11.The simple interest on ₹5000 for 5 years is ₹1000. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 20%
12. 12.In how many years will ₹2500 earn ₹900 simple interest at 9% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
13. 13.The simple interest on ₹6000 for 3 years is ₹540. What is the rate per year? (a) 2% (b) 3% (c) 9% (d) 4%
14. 14.The simple interest on ₹2000 for 3 years is ₹300. What is the rate per year? (a) 4% (b) 6% (c) 15% (d) 5%
15. 15.₹7500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹8100 (b) ₹7650 (c) ₹450 (d) ₹7950
16. 16.What is the simple interest on ₹6000 at 12% per year for 2 years? (a) ₹2160 (b) ₹720 (c) ₹1440 (d) ₹7440
17. 17.₹4500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹6120 (b) ₹5040 (c) ₹1080 (d) ₹5580
18. 18.The simple interest on ₹7000 for 2 years is ₹700. What is the rate per year? (a) 4% (b) 10% (c) 5% (d) 6%
19. 19.What is the simple interest on ₹8500 at 10% per year for 2 years? (a) ₹850 (b) ₹1700 (c) ₹2550 (d) ₹10200
20. 20.In how many years will ₹2000 earn ₹300 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
21. 21.₹4000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹4320 (b) ₹4160 (c) ₹4480 (d) ₹320
22. 22.₹2000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹240 (b) ₹2060 (c) ₹2300 (d) ₹2240
23. 23.What is the simple interest on ₹4500 at 3% per year for 3 years? (a) ₹4905 (b) ₹405 (c) ₹135 (d) ₹540
24. 24.What is the simple interest on ₹4000 at 7% per year for 2 years? (a) ₹840 (b) ₹560 (c) ₹4560 (d) ₹280
25. 25.The simple interest on ₹4500 for 3 years is ₹675. What is the rate per year? (a) 5% (b) 15% (c) 4% (d) 6%
26. 26.What is the simple interest on ₹6500 at 7% per year for 4 years? (a) ₹8320 (b) ₹1820 (c) ₹2275 (d) ₹455
27. 27.In how many years will ₹4500 earn ₹2700 simple interest at 12% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
28. 28.What is the simple interest on ₹2000 at 9% per year for 4 years? (a) ₹2720 (b) ₹720 (c) ₹900 (d) ₹180
29. 29.₹2000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹2080 (b) ₹2400 (c) ₹2320 (d) ₹320
30. 30.In how many years will ₹8000 earn ₹960 simple interest at 4% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
31. 31.In how many years will ₹9000 earn ₹2160 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
32. 32.What is the simple interest on ₹8500 at 5% per year for 2 years? (a) ₹850 (b) ₹9350 (c) ₹1275 (d) ₹425
33. 33.The simple interest on ₹5000 for 2 years is ₹600. What is the rate per year? (a) 12% (b) 7% (c) 6% (d) 5%
34. 34.The simple interest on ₹1000 for 3 years is ₹180. What is the rate per year? (a) 7% (b) 18% (c) 6% (d) 5%
35. 35.The simple interest on ₹7000 for 4 years is ₹840. What is the rate per year? (a) 2% (b) 3% (c) 12% (d) 4%
36. 36.₹2500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹625 (b) ₹3250 (c) ₹2625 (d) ₹3125
37. 37.What is the simple interest on ₹4500 at 12% per year for 2 years? (a) ₹1080 (b) ₹1620 (c) ₹5580 (d) ₹540
38. 38.₹2000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹1100 (b) ₹3320 (c) ₹2220 (d) ₹3100
39. 39.In how many years will ₹4000 earn ₹2200 simple interest at 11% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
40. 40.What is the simple interest on ₹9500 at 7% per year for 2 years? (a) ₹1995 (b) ₹665 (c) ₹1330 (d) ₹10830

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