Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 202 · 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.What is the simple interest on ₹1500 at 11% per year for 2 years? (a) ₹495 (b) ₹165 (c) ₹330 (d) ₹1830
2. 2.What is the simple interest on ₹9000 at 12% per year for 2 years? (a) ₹11160 (b) ₹1080 (c) ₹3240 (d) ₹2160
3. 3.The simple interest on ₹2000 for 5 years is ₹400. What is the rate per year? (a) 5% (b) 20% (c) 3% (d) 4%
4. 4.What is the simple interest on ₹5500 at 7% per year for 2 years? (a) ₹6270 (b) ₹770 (c) ₹1155 (d) ₹385
5. 5.In how many years will ₹2000 earn ₹800 simple interest at 10% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
6. 6.The simple interest on ₹9000 for 2 years is ₹720. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 8%
7. 7.The simple interest on ₹4500 for 4 years is ₹1080. What is the rate per year? (a) 5% (b) 6% (c) 7% (d) 24%
8. 8.The simple interest on ₹4500 for 4 years is ₹1440. What is the rate per year? (a) 7% (b) 32% (c) 8% (d) 9%
9. 9.What is the simple interest on ₹10000 at 9% per year for 2 years? (a) ₹1800 (b) ₹2700 (c) ₹900 (d) ₹11800
10. 10.What is the simple interest on ₹1500 at 10% per year for 5 years? (a) ₹900 (b) ₹2250 (c) ₹750 (d) ₹150
11. 11.The simple interest on ₹2000 for 5 years is ₹300. What is the rate per year? (a) 3% (b) 15% (c) 2% (d) 4%
12. 12.What is the simple interest on ₹9500 at 6% per year for 3 years? (a) ₹1710 (b) ₹570 (c) ₹11210 (d) ₹2280
13. 13.₹6000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹7500 (b) ₹7800 (c) ₹6300 (d) ₹1500
14. 14.In how many years will ₹1000 earn ₹60 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
15. 15.What is the simple interest on ₹7500 at 12% per year for 4 years? (a) ₹11100 (b) ₹3600 (c) ₹900 (d) ₹4500
16. 16.What is the simple interest on ₹9500 at 9% per year for 5 years? (a) ₹5130 (b) ₹4275 (c) ₹13775 (d) ₹855
17. 17.In how many years will ₹4500 earn ₹810 simple interest at 6% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
18. 18.₹7000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹3500 (b) ₹10500 (c) ₹7700 (d) ₹11200
19. 19.₹9500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹10070 (b) ₹1140 (c) ₹11210 (d) ₹10640
20. 20.The simple interest on ₹2500 for 3 years is ₹825. What is the rate per year? (a) 33% (b) 11% (c) 10% (d) 12%
21. 21.₹7500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹8175 (b) ₹7950 (c) ₹450 (d) ₹7725
22. 22.The simple interest on ₹8000 for 2 years is ₹1760. What is the rate per year? (a) 22% (b) 12% (c) 10% (d) 11%
23. 23.In how many years will ₹9500 earn ₹3325 simple interest at 7% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
24. 24.What is the simple interest on ₹1000 at 5% per year for 5 years? (a) ₹250 (b) ₹1250 (c) ₹300 (d) ₹50
25. 25.₹3000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹3360 (b) ₹4080 (c) ₹4440 (d) ₹1080
26. 26.What is the simple interest on ₹2500 at 6% per year for 4 years? (a) ₹3100 (b) ₹150 (c) ₹750 (d) ₹600
27. 27.₹8000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹9440 (b) ₹10160 (c) ₹1440 (d) ₹8720
28. 28.₹2000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹2040 (b) ₹2200 (c) ₹2160 (d) ₹160
29. 29.What is the simple interest on ₹9500 at 10% per year for 5 years? (a) ₹4750 (b) ₹5700 (c) ₹14250 (d) ₹950
30. 30.What is the simple interest on ₹4000 at 3% per year for 5 years? (a) ₹120 (b) ₹600 (c) ₹720 (d) ₹4600
31. 31.The simple interest on ₹6500 for 3 years is ₹585. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 9%
32. 32.What is the simple interest on ₹7000 at 10% per year for 4 years? (a) ₹9800 (b) ₹700 (c) ₹2800 (d) ₹3500
33. 33.₹8000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹9200 (b) ₹1200 (c) ₹8240 (d) ₹9440
34. 34.The simple interest on ₹9000 for 3 years is ₹540. What is the rate per year? (a) 2% (b) 6% (c) 3% (d) 1%
35. 35.What is the simple interest on ₹6500 at 10% per year for 2 years? (a) ₹1950 (b) ₹650 (c) ₹7800 (d) ₹1300
36. 36.₹2000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹2240 (b) ₹1200 (c) ₹3440 (d) ₹3200
37. 37.The simple interest on ₹4500 for 2 years is ₹810. What is the rate per year? (a) 18% (b) 9% (c) 8% (d) 10%
38. 38.₹3000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹3360 (b) ₹720 (c) ₹4080 (d) ₹3720
39. 39.₹3000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹3480 (b) ₹3120 (c) ₹480 (d) ₹3600
40. 40.What is the simple interest on ₹6500 at 8% per year for 5 years? (a) ₹2600 (b) ₹520 (c) ₹9100 (d) ₹3120

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