Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 796 · 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.₹8500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹8670 (b) ₹8840 (c) ₹9010 (d) ₹340
2. 2.₹6500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹6695 (b) ₹390 (c) ₹7085 (d) ₹6890
3. 3.In how many years will ₹10000 earn ₹2000 simple interest at 10% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
4. 4.What is the simple interest on ₹10000 at 7% per year for 4 years? (a) ₹12800 (b) ₹3500 (c) ₹2800 (d) ₹700
5. 5.The simple interest on ₹6000 for 5 years is ₹3000. What is the rate per year? (a) 10% (b) 9% (c) 50% (d) 11%
6. 6.The simple interest on ₹9500 for 5 years is ₹2375. What is the rate per year? (a) 5% (b) 4% (c) 25% (d) 6%
7. 7.The simple interest on ₹8500 for 3 years is ₹1275. What is the rate per year? (a) 4% (b) 6% (c) 15% (d) 5%
8. 8.What is the simple interest on ₹7500 at 3% per year for 4 years? (a) ₹900 (b) ₹1125 (c) ₹8400 (d) ₹225
9. 9.What is the simple interest on ₹10000 at 3% per year for 3 years? (a) ₹1200 (b) ₹900 (c) ₹10900 (d) ₹300
10. 10.In how many years will ₹8500 earn ₹850 simple interest at 2% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
11. 11.The simple interest on ₹3500 for 4 years is ₹420. What is the rate per year? (a) 12% (b) 4% (c) 2% (d) 3%
12. 12.The simple interest on ₹9500 for 2 years is ₹2280. What is the rate per year? (a) 13% (b) 11% (c) 12% (d) 24%
13. 13.The simple interest on ₹7000 for 5 years is ₹1400. What is the rate per year? (a) 20% (b) 3% (c) 5% (d) 4%
14. 14.₹5000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹5750 (b) ₹6000 (c) ₹750 (d) ₹5250
15. 15.₹9000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹9990 (b) ₹11970 (c) ₹1980 (d) ₹10980
16. 16.₹10000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹800 (b) ₹11200 (c) ₹10800 (d) ₹10400
17. 17.₹8500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹680 (b) ₹8840 (c) ₹9180 (d) ₹9520
18. 18.₹2000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹2800 (b) ₹3000 (c) ₹800 (d) ₹2200
19. 19.In how many years will ₹7000 earn ₹1750 simple interest at 5% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
20. 20.The simple interest on ₹6500 for 4 years is ₹1300. What is the rate per year? (a) 6% (b) 4% (c) 20% (d) 5%
21. 21.₹1500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹240 (b) ₹1800 (c) ₹1740 (d) ₹1560
22. 22.In how many years will ₹3000 earn ₹540 simple interest at 6% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
23. 23.In how many years will ₹5000 earn ₹1800 simple interest at 9% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
24. 24.The simple interest on ₹6000 for 3 years is ₹2160. What is the rate per year? (a) 36% (b) 12% (c) 13% (d) 11%
25. 25.The simple interest on ₹6500 for 4 years is ₹2600. What is the rate per year? (a) 9% (b) 11% (c) 40% (d) 10%
26. 26.What is the simple interest on ₹8000 at 9% per year for 3 years? (a) ₹2160 (b) ₹720 (c) ₹2880 (d) ₹10160
27. 27.In how many years will ₹10000 earn ₹800 simple interest at 2% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
28. 28.What is the simple interest on ₹3500 at 5% per year for 3 years? (a) ₹525 (b) ₹4025 (c) ₹700 (d) ₹175
29. 29.₹2000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹2320 (b) ₹2160 (c) ₹320 (d) ₹2480
30. 30.What is the simple interest on ₹2500 at 4% per year for 3 years? (a) ₹400 (b) ₹2800 (c) ₹300 (d) ₹100
31. 31.₹9000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1890 (b) ₹9630 (c) ₹11520 (d) ₹10890
32. 32.The simple interest on ₹1500 for 3 years is ₹270. What is the rate per year? (a) 6% (b) 18% (c) 5% (d) 7%
33. 33.In how many years will ₹8500 earn ₹5100 simple interest at 12% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
34. 34.In how many years will ₹8000 earn ₹1920 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
35. 35.₹7500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹7800 (b) ₹600 (c) ₹8400 (d) ₹8100
36. 36.What is the simple interest on ₹9500 at 12% per year for 5 years? (a) ₹6840 (b) ₹15200 (c) ₹5700 (d) ₹1140
37. 37.In how many years will ₹9000 earn ₹5400 simple interest at 12% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
38. 38.In how many years will ₹9000 earn ₹2880 simple interest at 8% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
39. 39.What is the simple interest on ₹8500 at 3% per year for 3 years? (a) ₹255 (b) ₹765 (c) ₹9265 (d) ₹1020
40. 40.₹5500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹7150 (b) ₹6600 (c) ₹6050 (d) ₹1100

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