Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 722 · 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 ₹10000 earn ₹2200 simple interest at 11% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
2. 2.The simple interest on ₹5500 for 2 years is ₹1320. What is the rate per year? (a) 12% (b) 24% (c) 13% (d) 11%
3. 3.In how many years will ₹9000 earn ₹1980 simple interest at 11% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
4. 4.What is the simple interest on ₹2000 at 10% per year for 5 years? (a) ₹3000 (b) ₹1000 (c) ₹200 (d) ₹1200
5. 5.What is the simple interest on ₹9000 at 7% per year for 3 years? (a) ₹630 (b) ₹1890 (c) ₹2520 (d) ₹10890
6. 6.₹7500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹11100 (b) ₹2700 (c) ₹10200 (d) ₹8400
7. 7.The simple interest on ₹4500 for 2 years is ₹720. What is the rate per year? (a) 7% (b) 8% (c) 9% (d) 16%
8. 8.The simple interest on ₹4000 for 5 years is ₹800. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 20%
9. 9.₹9500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹10450 (b) ₹12350 (c) ₹13300 (d) ₹2850
10. 10.In how many years will ₹7000 earn ₹1890 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
11. 11.What is the simple interest on ₹5500 at 3% per year for 3 years? (a) ₹165 (b) ₹5995 (c) ₹495 (d) ₹660
12. 12.In how many years will ₹7500 earn ₹1050 simple interest at 7% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
13. 13.What is the simple interest on ₹9000 at 11% per year for 3 years? (a) ₹2970 (b) ₹3960 (c) ₹990 (d) ₹11970
14. 14.₹1000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹1080 (b) ₹1060 (c) ₹60 (d) ₹1020
15. 15.What is the simple interest on ₹5500 at 5% per year for 3 years? (a) ₹275 (b) ₹1100 (c) ₹6325 (d) ₹825
16. 16.What is the simple interest on ₹8500 at 2% per year for 2 years? (a) ₹8840 (b) ₹170 (c) ₹340 (d) ₹510
17. 17.What is the simple interest on ₹10000 at 12% per year for 2 years? (a) ₹2400 (b) ₹12400 (c) ₹1200 (d) ₹3600
18. 18.The simple interest on ₹6500 for 2 years is ₹520. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 8%
19. 19.What is the simple interest on ₹10000 at 3% per year for 4 years? (a) ₹1500 (b) ₹300 (c) ₹1200 (d) ₹11200
20. 20.₹1500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹600 (b) ₹1650 (c) ₹2100 (d) ₹2250
21. 21.The simple interest on ₹4500 for 2 years is ₹1080. What is the rate per year? (a) 12% (b) 13% (c) 24% (d) 11%
22. 22.What is the simple interest on ₹3500 at 11% per year for 2 years? (a) ₹385 (b) ₹1155 (c) ₹770 (d) ₹4270
23. 23.₹9500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹14725 (b) ₹13680 (c) ₹10545 (d) ₹4180
24. 24.₹2000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹2240 (b) ₹2060 (c) ₹2180 (d) ₹180
25. 25.₹7000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹7140 (b) ₹280 (c) ₹7420 (d) ₹7280
26. 26.In how many years will ₹1500 earn ₹300 simple interest at 4% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
27. 27.₹1500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹360 (b) ₹1950 (c) ₹1860 (d) ₹1590
28. 28.₹9500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹3800 (b) ₹14250 (c) ₹10450 (d) ₹13300
29. 29.The simple interest on ₹9500 for 2 years is ₹1900. What is the rate per year? (a) 11% (b) 20% (c) 9% (d) 10%
30. 30.The simple interest on ₹2500 for 4 years is ₹600. What is the rate per year? (a) 7% (b) 6% (c) 5% (d) 24%
31. 31.In how many years will ₹9000 earn ₹1440 simple interest at 8% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
32. 32.In how many years will ₹3500 earn ₹560 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
33. 33.What is the simple interest on ₹2000 at 4% per year for 5 years? (a) ₹480 (b) ₹2400 (c) ₹80 (d) ₹400
34. 34.₹4000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹1600 (b) ₹4400 (c) ₹6000 (d) ₹5600
35. 35.₹6500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹650 (b) ₹7280 (c) ₹7150 (d) ₹6630
36. 36.What is the simple interest on ₹5500 at 12% per year for 3 years? (a) ₹2640 (b) ₹7480 (c) ₹660 (d) ₹1980
37. 37.₹2500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹4000 (b) ₹2800 (c) ₹4300 (d) ₹1500
38. 38.₹8000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹9280 (b) ₹1280 (c) ₹9600 (d) ₹8320
39. 39.In how many years will ₹3000 earn ₹600 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
40. 40.In how many years will ₹4500 earn ₹450 simple interest at 5% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year

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