Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 314 · 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 ₹2500 earn ₹350 simple interest at 7% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
2. 2.₹4000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹4400 (b) ₹4080 (c) ₹4320 (d) ₹320
3. 3.What is the simple interest on ₹9000 at 12% per year for 5 years? (a) ₹5400 (b) ₹6480 (c) ₹1080 (d) ₹14400
4. 4.The simple interest on ₹10000 for 2 years is ₹600. What is the rate per year? (a) 6% (b) 4% (c) 3% (d) 2%
5. 5.The simple interest on ₹6000 for 4 years is ₹1200. What is the rate per year? (a) 20% (b) 5% (c) 4% (d) 6%
6. 6.In how many years will ₹6000 earn ₹1500 simple interest at 5% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
7. 7.What is the simple interest on ₹2000 at 12% per year for 5 years? (a) ₹1440 (b) ₹3200 (c) ₹1200 (d) ₹240
8. 8.The simple interest on ₹8500 for 4 years is ₹3060. What is the rate per year? (a) 8% (b) 36% (c) 9% (d) 10%
9. 9.In how many years will ₹3500 earn ₹1120 simple interest at 8% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
10. 10.In how many years will ₹1500 earn ₹90 simple interest at 3% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
11. 11.What is the simple interest on ₹2500 at 9% per year for 2 years? (a) ₹225 (b) ₹2950 (c) ₹450 (d) ₹675
12. 12.What is the simple interest on ₹3000 at 4% per year for 4 years? (a) ₹480 (b) ₹600 (c) ₹3480 (d) ₹120
13. 13.In how many years will ₹6000 earn ₹480 simple interest at 4% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
14. 14.What is the simple interest on ₹9000 at 11% per year for 5 years? (a) ₹4950 (b) ₹990 (c) ₹13950 (d) ₹5940
15. 15.The simple interest on ₹3500 for 2 years is ₹140. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 4%
16. 16.What is the simple interest on ₹8500 at 8% per year for 4 years? (a) ₹3400 (b) ₹2720 (c) ₹11220 (d) ₹680
17. 17.₹6000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹7440 (b) ₹7800 (c) ₹6360 (d) ₹1440
18. 18.₹3000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹300 (b) ₹3060 (c) ₹3360 (d) ₹3300
19. 19.₹5000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹2200 (b) ₹7750 (c) ₹5550 (d) ₹7200
20. 20.What is the simple interest on ₹6500 at 7% per year for 5 years? (a) ₹8775 (b) ₹455 (c) ₹2730 (d) ₹2275
21. 21.The simple interest on ₹7500 for 2 years is ₹1350. What is the rate per year? (a) 8% (b) 10% (c) 18% (d) 9%
22. 22.₹3000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹1080 (b) ₹4440 (c) ₹4080 (d) ₹3360
23. 23.₹7500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹9300 (b) ₹8100 (c) ₹1200 (d) ₹8700
24. 24.What is the simple interest on ₹2500 at 4% per year for 3 years? (a) ₹100 (b) ₹2800 (c) ₹400 (d) ₹300
25. 25.What is the simple interest on ₹3500 at 10% per year for 4 years? (a) ₹350 (b) ₹4900 (c) ₹1750 (d) ₹1400
26. 26.₹2500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹3700 (b) ₹2800 (c) ₹3400 (d) ₹900
27. 27.The simple interest on ₹4000 for 3 years is ₹600. What is the rate per year? (a) 6% (b) 15% (c) 4% (d) 5%
28. 28.The simple interest on ₹9500 for 3 years is ₹855. What is the rate per year? (a) 9% (b) 4% (c) 2% (d) 3%
29. 29.What is the simple interest on ₹5500 at 7% per year for 5 years? (a) ₹385 (b) ₹2310 (c) ₹7425 (d) ₹1925
30. 30.The simple interest on ₹5500 for 2 years is ₹660. What is the rate per year? (a) 5% (b) 6% (c) 12% (d) 7%
31. 31.₹4500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹2160 (b) ₹5040 (c) ₹6660 (d) ₹7200
32. 32.In how many years will ₹10000 earn ₹2000 simple interest at 5% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
33. 33.₹1000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹40 (b) ₹1040 (c) ₹1060 (d) ₹1020
34. 34.What is the simple interest on ₹5500 at 4% per year for 2 years? (a) ₹440 (b) ₹660 (c) ₹5940 (d) ₹220
35. 35.The simple interest on ₹4500 for 3 years is ₹405. What is the rate per year? (a) 9% (b) 2% (c) 3% (d) 4%
36. 36.The simple interest on ₹5000 for 5 years is ₹2000. What is the rate per year? (a) 7% (b) 9% (c) 8% (d) 40%
37. 37.₹8000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹8640 (b) ₹10560 (c) ₹1920 (d) ₹9920
38. 38.In how many years will ₹6500 earn ₹585 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
39. 39.₹9500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹2280 (b) ₹11780 (c) ₹10640 (d) ₹12920
40. 40.What is the simple interest on ₹4500 at 8% per year for 3 years? (a) ₹1440 (b) ₹5580 (c) ₹1080 (d) ₹360

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