Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 224 · 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 ₹3000 at 6% per year for 2 years? (a) ₹180 (b) ₹3360 (c) ₹540 (d) ₹360
2. 2.The simple interest on ₹9500 for 4 years is ₹3800. What is the rate per year? (a) 9% (b) 40% (c) 10% (d) 11%
3. 3.What is the simple interest on ₹4000 at 11% per year for 2 years? (a) ₹4880 (b) ₹440 (c) ₹1320 (d) ₹880
4. 4.What is the simple interest on ₹9000 at 4% per year for 4 years? (a) ₹1440 (b) ₹360 (c) ₹1800 (d) ₹10440
5. 5.₹6000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹9000 (b) ₹9600 (c) ₹3000 (d) ₹6600
6. 6.The simple interest on ₹5500 for 4 years is ₹660. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 12%
7. 7.The simple interest on ₹5500 for 4 years is ₹2200. What is the rate per year? (a) 10% (b) 9% (c) 40% (d) 11%
8. 8.In how many years will ₹3000 earn ₹1320 simple interest at 11% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
9. 9.₹1000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹1240 (b) ₹160 (c) ₹1160 (d) ₹1080
10. 10.What is the simple interest on ₹8500 at 9% per year for 2 years? (a) ₹10030 (b) ₹2295 (c) ₹1530 (d) ₹765
11. 11.The simple interest on ₹8000 for 3 years is ₹2880. What is the rate per year? (a) 13% (b) 11% (c) 36% (d) 12%
12. 12.What is the simple interest on ₹2000 at 11% per year for 2 years? (a) ₹660 (b) ₹2440 (c) ₹440 (d) ₹220
13. 13.The simple interest on ₹9000 for 5 years is ₹1350. What is the rate per year? (a) 15% (b) 3% (c) 4% (d) 2%
14. 14.The simple interest on ₹1500 for 5 years is ₹825. What is the rate per year? (a) 55% (b) 10% (c) 12% (d) 11%
15. 15.The simple interest on ₹5500 for 5 years is ₹2750. What is the rate per year? (a) 50% (b) 9% (c) 10% (d) 11%
16. 16.₹1000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹1480 (b) ₹1360 (c) ₹1120 (d) ₹360
17. 17.What is the simple interest on ₹3500 at 2% per year for 4 years? (a) ₹280 (b) ₹3780 (c) ₹70 (d) ₹350
18. 18.The simple interest on ₹5500 for 2 years is ₹1320. What is the rate per year? (a) 13% (b) 24% (c) 11% (d) 12%
19. 19.What is the simple interest on ₹3500 at 5% per year for 2 years? (a) ₹175 (b) ₹3850 (c) ₹525 (d) ₹350
20. 20.In how many years will ₹8500 earn ₹2125 simple interest at 5% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
21. 21.What is the simple interest on ₹5500 at 8% per year for 3 years? (a) ₹6820 (b) ₹440 (c) ₹1760 (d) ₹1320
22. 22.In how many years will ₹5000 earn ₹1750 simple interest at 7% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
23. 23.What is the simple interest on ₹5000 at 8% per year for 3 years? (a) ₹6200 (b) ₹400 (c) ₹1600 (d) ₹1200
24. 24.The simple interest on ₹6500 for 2 years is ₹1300. What is the rate per year? (a) 9% (b) 10% (c) 20% (d) 11%
25. 25.In how many years will ₹6000 earn ₹600 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
26. 26.In how many years will ₹3000 earn ₹300 simple interest at 5% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
27. 27.What is the simple interest on ₹8500 at 7% per year for 2 years? (a) ₹1190 (b) ₹595 (c) ₹1785 (d) ₹9690
28. 28.₹8500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹10540 (b) ₹2040 (c) ₹9010 (d) ₹11050
29. 29.In how many years will ₹6000 earn ₹1800 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
30. 30.What is the simple interest on ₹4000 at 5% per year for 4 years? (a) ₹4800 (b) ₹200 (c) ₹1000 (d) ₹800
31. 31.₹6500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹8060 (b) ₹1300 (c) ₹7800 (d) ₹6760
32. 32.The simple interest on ₹5000 for 2 years is ₹600. What is the rate per year? (a) 5% (b) 7% (c) 12% (d) 6%
33. 33.The simple interest on ₹2500 for 4 years is ₹700. What is the rate per year? (a) 6% (b) 8% (c) 28% (d) 7%
34. 34.In how many years will ₹1000 earn ₹80 simple interest at 4% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
35. 35.₹9000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹9180 (b) ₹720 (c) ₹9900 (d) ₹9720
36. 36.What is the simple interest on ₹9000 at 5% per year for 4 years? (a) ₹1800 (b) ₹2250 (c) ₹10800 (d) ₹450
37. 37.In how many years will ₹1000 earn ₹120 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
38. 38.What is the simple interest on ₹4000 at 8% per year for 3 years? (a) ₹4960 (b) ₹320 (c) ₹1280 (d) ₹960
39. 39.What is the simple interest on ₹6000 at 12% per year for 2 years? (a) ₹1440 (b) ₹2160 (c) ₹720 (d) ₹7440
40. 40.In how many years will ₹7000 earn ₹1960 simple interest at 7% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years

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