Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 915 · 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.₹1000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹1120 (b) ₹1100 (c) ₹1020 (d) ₹100
2. 2.In how many years will ₹1500 earn ₹180 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
3. 3.₹1000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹1100 (b) ₹1050 (c) ₹1150 (d) ₹100
4. 4.The simple interest on ₹5500 for 2 years is ₹550. What is the rate per year? (a) 4% (b) 6% (c) 10% (d) 5%
5. 5.₹8500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹11560 (b) ₹2550 (c) ₹11050 (d) ₹9010
6. 6.In how many years will ₹10000 earn ₹2800 simple interest at 7% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
7. 7.₹1000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹1350 (b) ₹1420 (c) ₹1070 (d) ₹350
8. 8.What is the simple interest on ₹6000 at 4% per year for 2 years? (a) ₹240 (b) ₹480 (c) ₹720 (d) ₹6480
9. 9.What is the simple interest on ₹1000 at 3% per year for 2 years? (a) ₹30 (b) ₹60 (c) ₹90 (d) ₹1060
10. 10.The simple interest on ₹2500 for 3 years is ₹150. What is the rate per year? (a) 6% (b) 3% (c) 2% (d) 1%
11. 11.What is the simple interest on ₹10000 at 11% per year for 5 years? (a) ₹1100 (b) ₹5500 (c) ₹15500 (d) ₹6600
12. 12.What is the simple interest on ₹7000 at 2% per year for 5 years? (a) ₹840 (b) ₹700 (c) ₹7700 (d) ₹140
13. 13.What is the simple interest on ₹6000 at 10% per year for 3 years? (a) ₹600 (b) ₹1800 (c) ₹7800 (d) ₹2400
14. 14.The simple interest on ₹3500 for 2 years is ₹490. What is the rate per year? (a) 14% (b) 6% (c) 7% (d) 8%
15. 15.₹3000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹1200 (b) ₹4500 (c) ₹4200 (d) ₹3300
16. 16.₹5000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1000 (b) ₹6000 (c) ₹6200 (d) ₹5200
17. 17.In how many years will ₹2500 earn ₹625 simple interest at 5% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
18. 18.₹7000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹7700 (b) ₹9800 (c) ₹9100 (d) ₹2100
19. 19.What is the simple interest on ₹2500 at 8% per year for 4 years? (a) ₹800 (b) ₹3300 (c) ₹1000 (d) ₹200
20. 20.The simple interest on ₹3500 for 3 years is ₹1260. What is the rate per year? (a) 11% (b) 12% (c) 36% (d) 13%
21. 21.In how many years will ₹4000 earn ₹960 simple interest at 8% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
22. 22.In how many years will ₹4000 earn ₹600 simple interest at 3% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
23. 23.The simple interest on ₹6500 for 5 years is ₹975. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 15%
24. 24.The simple interest on ₹8500 for 2 years is ₹510. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 6%
25. 25.What is the simple interest on ₹1500 at 6% per year for 4 years? (a) ₹90 (b) ₹360 (c) ₹450 (d) ₹1860
26. 26.₹3500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹4620 (b) ₹3780 (c) ₹4900 (d) ₹1120
27. 27.What is the simple interest on ₹4000 at 5% per year for 2 years? (a) ₹200 (b) ₹600 (c) ₹4400 (d) ₹400
28. 28.What is the simple interest on ₹2000 at 3% per year for 4 years? (a) ₹60 (b) ₹2240 (c) ₹240 (d) ₹300
29. 29.In how many years will ₹4500 earn ₹810 simple interest at 6% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
30. 30.The simple interest on ₹2000 for 2 years is ₹240. What is the rate per year? (a) 6% (b) 12% (c) 7% (d) 5%
31. 31.The simple interest on ₹2500 for 2 years is ₹150. What is the rate per year? (a) 4% (b) 3% (c) 6% (d) 2%
32. 32.₹5500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹990 (b) ₹6490 (c) ₹5995 (d) ₹6985
33. 33.What is the simple interest on ₹9500 at 9% per year for 2 years? (a) ₹11210 (b) ₹1710 (c) ₹2565 (d) ₹855
34. 34.In how many years will ₹9000 earn ₹1800 simple interest at 5% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
35. 35.What is the simple interest on ₹7500 at 6% per year for 3 years? (a) ₹8850 (b) ₹1800 (c) ₹1350 (d) ₹450
36. 36.The simple interest on ₹3000 for 4 years is ₹1440. What is the rate per year? (a) 13% (b) 11% (c) 12% (d) 48%
37. 37.The simple interest on ₹5500 for 5 years is ₹1925. What is the rate per year? (a) 7% (b) 6% (c) 35% (d) 8%
38. 38.₹7500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹11550 (b) ₹8175 (c) ₹3375 (d) ₹10875
39. 39.What is the simple interest on ₹8000 at 7% per year for 5 years? (a) ₹10800 (b) ₹2800 (c) ₹3360 (d) ₹560
40. 40.The simple interest on ₹10000 for 3 years is ₹1800. What is the rate per year? (a) 7% (b) 18% (c) 5% (d) 6%

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