Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 723 · 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.The simple interest on ₹10000 for 2 years is ₹1600. What is the rate per year? (a) 16% (b) 7% (c) 8% (d) 9%
2. 2.The simple interest on ₹5000 for 3 years is ₹900. What is the rate per year? (a) 18% (b) 5% (c) 6% (d) 7%
3. 3.In how many years will ₹2000 earn ₹200 simple interest at 5% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
4. 4.What is the simple interest on ₹3500 at 6% per year for 5 years? (a) ₹1260 (b) ₹4550 (c) ₹210 (d) ₹1050
5. 5.What is the simple interest on ₹1500 at 2% per year for 2 years? (a) ₹30 (b) ₹90 (c) ₹60 (d) ₹1560
6. 6.What is the simple interest on ₹6500 at 4% per year for 5 years? (a) ₹7800 (b) ₹1560 (c) ₹1300 (d) ₹260
7. 7.What is the simple interest on ₹1500 at 8% per year for 2 years? (a) ₹1740 (b) ₹240 (c) ₹120 (d) ₹360
8. 8.In how many years will ₹10000 earn ₹1200 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
9. 9.The simple interest on ₹1500 for 5 years is ₹675. What is the rate per year? (a) 10% (b) 45% (c) 9% (d) 8%
10. 10.In how many years will ₹7000 earn ₹560 simple interest at 2% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
11. 11.₹10000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹10600 (b) ₹10400 (c) ₹10200 (d) ₹400
12. 12.In how many years will ₹3000 earn ₹1320 simple interest at 11% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
13. 13.The simple interest on ₹3000 for 4 years is ₹1320. What is the rate per year? (a) 11% (b) 44% (c) 12% (d) 10%
14. 14.What is the simple interest on ₹6500 at 10% per year for 4 years? (a) ₹3250 (b) ₹650 (c) ₹2600 (d) ₹9100
15. 15.What is the simple interest on ₹1500 at 6% per year for 4 years? (a) ₹1860 (b) ₹90 (c) ₹450 (d) ₹360
16. 16.What is the simple interest on ₹7500 at 8% per year for 5 years? (a) ₹600 (b) ₹10500 (c) ₹3000 (d) ₹3600
17. 17.₹5500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹6160 (b) ₹5720 (c) ₹6380 (d) ₹660
18. 18.What is the simple interest on ₹2000 at 10% per year for 5 years? (a) ₹1200 (b) ₹200 (c) ₹1000 (d) ₹3000
19. 19.₹7500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹9150 (b) ₹8325 (c) ₹1650 (d) ₹9975
20. 20.The simple interest on ₹6000 for 4 years is ₹1440. What is the rate per year? (a) 5% (b) 6% (c) 24% (d) 7%
21. 21.The simple interest on ₹5000 for 5 years is ₹1750. What is the rate per year? (a) 8% (b) 6% (c) 7% (d) 35%
22. 22.In how many years will ₹7000 earn ₹1680 simple interest at 6% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
23. 23.₹1500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1590 (b) ₹1770 (c) ₹1680 (d) ₹180
24. 24.In how many years will ₹4000 earn ₹600 simple interest at 3% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
25. 25.₹5000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹200 (b) ₹5300 (c) ₹5200 (d) ₹5100
26. 26.What is the simple interest on ₹5500 at 5% per year for 5 years? (a) ₹6875 (b) ₹1375 (c) ₹1650 (d) ₹275
27. 27.The simple interest on ₹6500 for 3 years is ₹2145. What is the rate per year? (a) 11% (b) 10% (c) 12% (d) 33%
28. 28.What is the simple interest on ₹2500 at 4% per year for 5 years? (a) ₹100 (b) ₹3000 (c) ₹600 (d) ₹500
29. 29.The simple interest on ₹2500 for 3 years is ₹225. What is the rate per year? (a) 9% (b) 4% (c) 3% (d) 2%
30. 30.What is the simple interest on ₹5000 at 12% per year for 3 years? (a) ₹6800 (b) ₹2400 (c) ₹600 (d) ₹1800
31. 31.In how many years will ₹4500 earn ₹1080 simple interest at 6% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
32. 32.The simple interest on ₹3500 for 4 years is ₹420. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 12%
33. 33.The simple interest on ₹2000 for 5 years is ₹1000. What is the rate per year? (a) 10% (b) 50% (c) 11% (d) 9%
34. 34.What is the simple interest on ₹6000 at 7% per year for 3 years? (a) ₹1680 (b) ₹1260 (c) ₹7260 (d) ₹420
35. 35.The simple interest on ₹5500 for 2 years is ₹440. What is the rate per year? (a) 8% (b) 3% (c) 4% (d) 5%
36. 36.₹8000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹9920 (b) ₹1920 (c) ₹8640 (d) ₹10560
37. 37.The simple interest on ₹2500 for 5 years is ₹1250. What is the rate per year? (a) 10% (b) 11% (c) 50% (d) 9%
38. 38.₹3000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹3990 (b) ₹3330 (c) ₹660 (d) ₹3660
39. 39.The simple interest on ₹3500 for 2 years is ₹840. What is the rate per year? (a) 12% (b) 13% (c) 24% (d) 11%
40. 40.What is the simple interest on ₹3000 at 4% per year for 4 years? (a) ₹3480 (b) ₹120 (c) ₹600 (d) ₹480

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