Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 824 · 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 ₹4000 earn ₹600 simple interest at 5% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
2. 2.What is the simple interest on ₹7000 at 10% per year for 4 years? (a) ₹9800 (b) ₹3500 (c) ₹2800 (d) ₹700
3. 3.In how many years will ₹9000 earn ₹540 simple interest at 3% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
4. 4.What is the simple interest on ₹5000 at 7% per year for 4 years? (a) ₹6400 (b) ₹1750 (c) ₹350 (d) ₹1400
5. 5.₹8000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹8800 (b) ₹11200 (c) ₹2400 (d) ₹10400
6. 6.The simple interest on ₹4500 for 2 years is ₹630. What is the rate per year? (a) 7% (b) 8% (c) 6% (d) 14%
7. 7.What is the simple interest on ₹2500 at 7% per year for 2 years? (a) ₹350 (b) ₹2850 (c) ₹175 (d) ₹525
8. 8.What is the simple interest on ₹4000 at 7% per year for 2 years? (a) ₹280 (b) ₹840 (c) ₹560 (d) ₹4560
9. 9.What is the simple interest on ₹1500 at 5% per year for 4 years? (a) ₹375 (b) ₹300 (c) ₹1800 (d) ₹75
10. 10.What is the simple interest on ₹6500 at 6% per year for 3 years? (a) ₹1560 (b) ₹390 (c) ₹1170 (d) ₹7670
11. 11.In how many years will ₹5500 earn ₹330 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
12. 12.₹1500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹1860 (b) ₹1740 (c) ₹240 (d) ₹1620
13. 13.In how many years will ₹2000 earn ₹200 simple interest at 2% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
14. 14.The simple interest on ₹5000 for 4 years is ₹800. What is the rate per year? (a) 5% (b) 4% (c) 16% (d) 3%
15. 15.In how many years will ₹4500 earn ₹900 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
16. 16.In how many years will ₹5500 earn ₹990 simple interest at 9% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
17. 17.In how many years will ₹1000 earn ₹400 simple interest at 8% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
18. 18.₹10000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1200 (b) ₹10400 (c) ₹11600 (d) ₹11200
19. 19.In how many years will ₹3000 earn ₹540 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
20. 20.What is the simple interest on ₹5000 at 8% per year for 4 years? (a) ₹2000 (b) ₹6600 (c) ₹400 (d) ₹1600
21. 21.₹5500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹6325 (b) ₹6050 (c) ₹550 (d) ₹5775
22. 22.What is the simple interest on ₹10000 at 11% per year for 2 years? (a) ₹1100 (b) ₹2200 (c) ₹3300 (d) ₹12200
23. 23.What is the simple interest on ₹5500 at 9% per year for 3 years? (a) ₹495 (b) ₹6985 (c) ₹1485 (d) ₹1980
24. 24.The simple interest on ₹3000 for 4 years is ₹360. What is the rate per year? (a) 12% (b) 4% (c) 2% (d) 3%
25. 25.₹8500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹8755 (b) ₹9520 (c) ₹9265 (d) ₹765
26. 26.What is the simple interest on ₹8000 at 12% per year for 4 years? (a) ₹3840 (b) ₹11840 (c) ₹960 (d) ₹4800
27. 27.What is the simple interest on ₹4500 at 8% per year for 2 years? (a) ₹1080 (b) ₹5220 (c) ₹720 (d) ₹360
28. 28.The simple interest on ₹5000 for 2 years is ₹600. What is the rate per year? (a) 7% (b) 12% (c) 5% (d) 6%
29. 29.What is the simple interest on ₹2500 at 4% per year for 5 years? (a) ₹500 (b) ₹100 (c) ₹600 (d) ₹3000
30. 30.In how many years will ₹5500 earn ₹660 simple interest at 3% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
31. 31.What is the simple interest on ₹6500 at 8% per year for 4 years? (a) ₹520 (b) ₹2080 (c) ₹8580 (d) ₹2600
32. 32.The simple interest on ₹8500 for 4 years is ₹3740. What is the rate per year? (a) 11% (b) 12% (c) 44% (d) 10%
33. 33.What is the simple interest on ₹10000 at 4% per year for 2 years? (a) ₹400 (b) ₹800 (c) ₹1200 (d) ₹10800
34. 34.₹2000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹2720 (b) ₹2540 (c) ₹540 (d) ₹2180
35. 35.₹7500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹7875 (b) ₹8625 (c) ₹1125 (d) ₹9000
36. 36.₹6000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹6960 (b) ₹6240 (c) ₹7200 (d) ₹960
37. 37.₹7000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹7490 (b) ₹8470 (c) ₹7980 (d) ₹980
38. 38.In how many years will ₹2500 earn ₹1000 simple interest at 8% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
39. 39.In how many years will ₹5000 earn ₹500 simple interest at 2% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
40. 40.What is the simple interest on ₹3000 at 2% per year for 5 years? (a) ₹300 (b) ₹3300 (c) ₹360 (d) ₹60

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