Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 683 · 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 ₹1400 simple interest at 7% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
2. 2.What is the simple interest on ₹8000 at 8% per year for 3 years? (a) ₹2560 (b) ₹9920 (c) ₹1920 (d) ₹640
3. 3.What is the simple interest on ₹1500 at 12% per year for 4 years? (a) ₹2220 (b) ₹180 (c) ₹900 (d) ₹720
4. 4.The simple interest on ₹9500 for 2 years is ₹2280. What is the rate per year? (a) 11% (b) 12% (c) 13% (d) 24%
5. 5.What is the simple interest on ₹3500 at 12% per year for 5 years? (a) ₹5600 (b) ₹420 (c) ₹2520 (d) ₹2100
6. 6.The simple interest on ₹5500 for 3 years is ₹1815. What is the rate per year? (a) 12% (b) 11% (c) 33% (d) 10%
7. 7.The simple interest on ₹2000 for 2 years is ₹440. What is the rate per year? (a) 22% (b) 11% (c) 12% (d) 10%
8. 8.₹2000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹480 (b) ₹2120 (c) ₹2480 (d) ₹2600
9. 9.The simple interest on ₹1500 for 4 years is ₹360. What is the rate per year? (a) 5% (b) 6% (c) 7% (d) 24%
10. 10.In how many years will ₹6500 earn ₹1560 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
11. 11.What is the simple interest on ₹4000 at 11% per year for 3 years? (a) ₹1760 (b) ₹440 (c) ₹1320 (d) ₹5320
12. 12.In how many years will ₹2000 earn ₹800 simple interest at 8% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
13. 13.What is the simple interest on ₹8500 at 7% per year for 2 years? (a) ₹9690 (b) ₹595 (c) ₹1785 (d) ₹1190
14. 14.₹7500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹8850 (b) ₹8175 (c) ₹1350 (d) ₹9525
15. 15.What is the simple interest on ₹10000 at 12% per year for 3 years? (a) ₹3600 (b) ₹4800 (c) ₹13600 (d) ₹1200
16. 16.₹4000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹5400 (b) ₹4280 (c) ₹1120 (d) ₹5120
17. 17.What is the simple interest on ₹4000 at 8% per year for 3 years? (a) ₹4960 (b) ₹960 (c) ₹320 (d) ₹1280
18. 18.₹3500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹630 (b) ₹4130 (c) ₹4445 (d) ₹3815
19. 19.The simple interest on ₹8000 for 2 years is ₹1440. What is the rate per year? (a) 9% (b) 8% (c) 10% (d) 18%
20. 20.What is the simple interest on ₹3500 at 5% per year for 5 years? (a) ₹875 (b) ₹175 (c) ₹4375 (d) ₹1050
21. 21.What is the simple interest on ₹7000 at 5% per year for 5 years? (a) ₹2100 (b) ₹1750 (c) ₹350 (d) ₹8750
22. 22.The simple interest on ₹1500 for 2 years is ₹300. What is the rate per year? (a) 10% (b) 20% (c) 11% (d) 9%
23. 23.In how many years will ₹3000 earn ₹600 simple interest at 10% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
24. 24.The simple interest on ₹6000 for 2 years is ₹360. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 6%
25. 25.In how many years will ₹3000 earn ₹660 simple interest at 11% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
26. 26.₹3500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹1575 (b) ₹5390 (c) ₹5075 (d) ₹3815
27. 27.What is the simple interest on ₹9000 at 5% per year for 2 years? (a) ₹450 (b) ₹9900 (c) ₹1350 (d) ₹900
28. 28.In how many years will ₹7000 earn ₹1400 simple interest at 5% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
29. 29.What is the simple interest on ₹4000 at 11% per year for 4 years? (a) ₹5760 (b) ₹2200 (c) ₹1760 (d) ₹440
30. 30.₹4000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹4120 (b) ₹4600 (c) ₹4720 (d) ₹600
31. 31.What is the simple interest on ₹10000 at 6% per year for 3 years? (a) ₹600 (b) ₹11800 (c) ₹1800 (d) ₹2400
32. 32.The simple interest on ₹1500 for 2 years is ₹120. What is the rate per year? (a) 5% (b) 8% (c) 3% (d) 4%
33. 33.In how many years will ₹7000 earn ₹1260 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
34. 34.₹2500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹400 (b) ₹2900 (c) ₹3100 (d) ₹2700
35. 35.The simple interest on ₹9500 for 5 years is ₹3325. What is the rate per year? (a) 35% (b) 8% (c) 6% (d) 7%
36. 36.What is the simple interest on ₹9000 at 2% per year for 4 years? (a) ₹9720 (b) ₹180 (c) ₹900 (d) ₹720
37. 37.What is the simple interest on ₹5500 at 3% per year for 4 years? (a) ₹165 (b) ₹6160 (c) ₹660 (d) ₹825
38. 38.In how many years will ₹1500 earn ₹825 simple interest at 11% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
39. 39.What is the simple interest on ₹8500 at 4% per year for 5 years? (a) ₹1700 (b) ₹10200 (c) ₹2040 (d) ₹340
40. 40.₹7000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹9520 (b) ₹7840 (c) ₹10360 (d) ₹2520

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