Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 772 · 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 ₹2000 for 3 years is ₹120. What is the rate per year? (a) 2% (b) 3% (c) 1% (d) 6%
2. 2.In how many years will ₹4000 earn ₹240 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
3. 3.The simple interest on ₹1500 for 4 years is ₹720. What is the rate per year? (a) 48% (b) 13% (c) 11% (d) 12%
4. 4.The simple interest on ₹10000 for 5 years is ₹5500. What is the rate per year? (a) 55% (b) 11% (c) 12% (d) 10%
5. 5.What is the simple interest on ₹2500 at 8% per year for 5 years? (a) ₹200 (b) ₹3500 (c) ₹1000 (d) ₹1200
6. 6.What is the simple interest on ₹7000 at 3% per year for 2 years? (a) ₹420 (b) ₹7420 (c) ₹630 (d) ₹210
7. 7.The simple interest on ₹2500 for 3 years is ₹600. What is the rate per year? (a) 9% (b) 7% (c) 24% (d) 8%
8. 8.What is the simple interest on ₹4500 at 4% per year for 5 years? (a) ₹5400 (b) ₹180 (c) ₹900 (d) ₹1080
9. 9.The simple interest on ₹4500 for 4 years is ₹1800. What is the rate per year? (a) 10% (b) 9% (c) 40% (d) 11%
10. 10.What is the simple interest on ₹2500 at 2% per year for 4 years? (a) ₹2700 (b) ₹50 (c) ₹250 (d) ₹200
11. 11.In how many years will ₹7000 earn ₹3360 simple interest at 12% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
12. 12.In how many years will ₹9000 earn ₹3150 simple interest at 7% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
13. 13.In how many years will ₹9000 earn ₹1350 simple interest at 3% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
14. 14.₹8000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹8800 (b) ₹8160 (c) ₹8960 (d) ₹800
15. 15.What is the simple interest on ₹10000 at 4% per year for 2 years? (a) ₹1200 (b) ₹10800 (c) ₹800 (d) ₹400
16. 16.In how many years will ₹3500 earn ₹280 simple interest at 4% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
17. 17.In how many years will ₹8000 earn ₹1120 simple interest at 7% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
18. 18.What is the simple interest on ₹9000 at 9% per year for 4 years? (a) ₹810 (b) ₹12240 (c) ₹4050 (d) ₹3240
19. 19.What is the simple interest on ₹10000 at 10% per year for 2 years? (a) ₹2000 (b) ₹3000 (c) ₹1000 (d) ₹12000
20. 20.What is the simple interest on ₹1000 at 3% per year for 3 years? (a) ₹90 (b) ₹1090 (c) ₹30 (d) ₹120
21. 21.The simple interest on ₹2500 for 4 years is ₹600. What is the rate per year? (a) 5% (b) 7% (c) 24% (d) 6%
22. 22.In how many years will ₹2500 earn ₹450 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
23. 23.What is the simple interest on ₹1500 at 11% per year for 2 years? (a) ₹330 (b) ₹165 (c) ₹495 (d) ₹1830
24. 24.What is the simple interest on ₹2000 at 6% per year for 5 years? (a) ₹120 (b) ₹720 (c) ₹600 (d) ₹2600
25. 25.What is the simple interest on ₹3500 at 6% per year for 2 years? (a) ₹210 (b) ₹420 (c) ₹630 (d) ₹3920
26. 26.What is the simple interest on ₹2500 at 7% per year for 4 years? (a) ₹175 (b) ₹700 (c) ₹3200 (d) ₹875
27. 27.In how many years will ₹3000 earn ₹1200 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
28. 28.₹4000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹4200 (b) ₹5000 (c) ₹1000 (d) ₹5200
29. 29.₹6500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹520 (b) ₹7280 (c) ₹7020 (d) ₹6760
30. 30.₹4000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹4320 (b) ₹5600 (c) ₹1600 (d) ₹5920
31. 31.What is the simple interest on ₹4000 at 3% per year for 2 years? (a) ₹4240 (b) ₹360 (c) ₹120 (d) ₹240
32. 32.What is the simple interest on ₹2500 at 10% per year for 3 years? (a) ₹3250 (b) ₹1000 (c) ₹750 (d) ₹250
33. 33.What is the simple interest on ₹7500 at 3% per year for 2 years? (a) ₹450 (b) ₹675 (c) ₹225 (d) ₹7950
34. 34.What is the simple interest on ₹7000 at 5% per year for 5 years? (a) ₹1750 (b) ₹350 (c) ₹8750 (d) ₹2100
35. 35.₹7500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹7875 (b) ₹8625 (c) ₹8250 (d) ₹750
36. 36.What is the simple interest on ₹5500 at 12% per year for 2 years? (a) ₹1320 (b) ₹660 (c) ₹6820 (d) ₹1980
37. 37.₹1500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹660 (b) ₹1665 (c) ₹2160 (d) ₹2325
38. 38.The simple interest on ₹8500 for 3 years is ₹3060. What is the rate per year? (a) 36% (b) 11% (c) 13% (d) 12%
39. 39.₹5000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹6800 (b) ₹5600 (c) ₹6200 (d) ₹1200
40. 40.The simple interest on ₹7500 for 2 years is ₹600. What is the rate per year? (a) 8% (b) 5% (c) 4% (d) 3%

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