Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 329 · 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 ₹9000 earn ₹1800 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
2. 2.What is the simple interest on ₹8500 at 8% per year for 5 years? (a) ₹3400 (b) ₹680 (c) ₹11900 (d) ₹4080
3. 3.The simple interest on ₹2000 for 5 years is ₹700. What is the rate per year? (a) 6% (b) 8% (c) 7% (d) 35%
4. 4.₹6500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹7280 (b) ₹520 (c) ₹6760 (d) ₹7020
5. 5.The simple interest on ₹6000 for 3 years is ₹1440. What is the rate per year? (a) 8% (b) 7% (c) 24% (d) 9%
6. 6.₹3000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹3060 (b) ₹3180 (c) ₹120 (d) ₹3120
7. 7.What is the simple interest on ₹7500 at 6% per year for 5 years? (a) ₹2700 (b) ₹450 (c) ₹2250 (d) ₹9750
8. 8.What is the simple interest on ₹2500 at 4% per year for 4 years? (a) ₹2900 (b) ₹100 (c) ₹400 (d) ₹500
9. 9.₹3500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹4130 (b) ₹525 (c) ₹3605 (d) ₹4025
10. 10.The simple interest on ₹3500 for 4 years is ₹1680. What is the rate per year? (a) 12% (b) 48% (c) 11% (d) 13%
11. 11.In how many years will ₹2500 earn ₹225 simple interest at 3% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
12. 12.In how many years will ₹8000 earn ₹1760 simple interest at 11% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
13. 13.What is the simple interest on ₹5500 at 7% per year for 3 years? (a) ₹6655 (b) ₹385 (c) ₹1540 (d) ₹1155
14. 14.The simple interest on ₹6500 for 5 years is ₹1300. What is the rate per year? (a) 20% (b) 4% (c) 5% (d) 3%
15. 15.The simple interest on ₹1000 for 3 years is ₹120. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 12%
16. 16.In how many years will ₹6500 earn ₹780 simple interest at 3% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
17. 17.In how many years will ₹2500 earn ₹1375 simple interest at 11% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
18. 18.₹8500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹8925 (b) ₹9775 (c) ₹9350 (d) ₹850
19. 19.In how many years will ₹1500 earn ₹300 simple interest at 5% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
20. 20.What is the simple interest on ₹2000 at 11% per year for 5 years? (a) ₹220 (b) ₹3100 (c) ₹1100 (d) ₹1320
21. 21.What is the simple interest on ₹2500 at 12% per year for 5 years? (a) ₹4000 (b) ₹1500 (c) ₹300 (d) ₹1800
22. 22.₹7000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹7210 (b) ₹7420 (c) ₹420 (d) ₹7630
23. 23.What is the simple interest on ₹4000 at 10% per year for 5 years? (a) ₹6000 (b) ₹2000 (c) ₹2400 (d) ₹400
24. 24.What is the simple interest on ₹1500 at 8% per year for 2 years? (a) ₹360 (b) ₹1740 (c) ₹120 (d) ₹240
25. 25.What is the simple interest on ₹2500 at 5% per year for 5 years? (a) ₹625 (b) ₹3125 (c) ₹750 (d) ₹125
26. 26.The simple interest on ₹3000 for 4 years is ₹1080. What is the rate per year? (a) 36% (b) 8% (c) 9% (d) 10%
27. 27.₹2000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹2400 (b) ₹2600 (c) ₹400 (d) ₹2200
28. 28.₹3000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹3150 (b) ₹3750 (c) ₹3900 (d) ₹750
29. 29.₹1500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹1650 (b) ₹750 (c) ₹2250 (d) ₹2400
30. 30.In how many years will ₹8500 earn ₹3060 simple interest at 12% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
31. 31.In how many years will ₹3000 earn ₹1200 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
32. 32.The simple interest on ₹6500 for 4 years is ₹1820. What is the rate per year? (a) 6% (b) 7% (c) 8% (d) 28%
33. 33.What is the simple interest on ₹7000 at 5% per year for 2 years? (a) ₹350 (b) ₹1050 (c) ₹7700 (d) ₹700
34. 34.₹4000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹800 (b) ₹5000 (c) ₹4200 (d) ₹4800
35. 35.₹2000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹2240 (b) ₹2060 (c) ₹180 (d) ₹2180
36. 36.What is the simple interest on ₹2000 at 4% per year for 3 years? (a) ₹2240 (b) ₹320 (c) ₹240 (d) ₹80
37. 37.₹2000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹2300 (b) ₹2060 (c) ₹300 (d) ₹2360
38. 38.The simple interest on ₹1000 for 2 years is ₹180. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 18%
39. 39.₹2500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹3625 (b) ₹3400 (c) ₹2725 (d) ₹900
40. 40.₹3500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹1225 (b) ₹4970 (c) ₹4725 (d) ₹3745

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