Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 108 · 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 ₹4500 earn ₹270 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
2. 2.In how many years will ₹6000 earn ₹720 simple interest at 3% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
3. 3.₹3500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹560 (b) ₹4340 (c) ₹4060 (d) ₹3780
4. 4.In how many years will ₹1500 earn ₹360 simple interest at 6% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
5. 5.What is the simple interest on ₹2000 at 6% per year for 4 years? (a) ₹600 (b) ₹480 (c) ₹120 (d) ₹2480
6. 6.What is the simple interest on ₹5500 at 5% per year for 2 years? (a) ₹825 (b) ₹6050 (c) ₹550 (d) ₹275
7. 7.The simple interest on ₹3000 for 2 years is ₹180. What is the rate per year? (a) 3% (b) 4% (c) 2% (d) 6%
8. 8.In how many years will ₹7500 earn ₹675 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
9. 9.In how many years will ₹8500 earn ₹1020 simple interest at 3% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
10. 10.In how many years will ₹3500 earn ₹1155 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
11. 11.₹6500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹8060 (b) ₹1560 (c) ₹8840 (d) ₹7280
12. 12.What is the simple interest on ₹7500 at 3% per year for 3 years? (a) ₹900 (b) ₹225 (c) ₹8175 (d) ₹675
13. 13.₹9000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹2880 (b) ₹11880 (c) ₹9720 (d) ₹12600
14. 14.In how many years will ₹3000 earn ₹840 simple interest at 7% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
15. 15.What is the simple interest on ₹5000 at 5% per year for 3 years? (a) ₹1000 (b) ₹5750 (c) ₹250 (d) ₹750
16. 16.₹8000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹8800 (b) ₹8640 (c) ₹640 (d) ₹8160
17. 17.The simple interest on ₹9500 for 2 years is ₹760. What is the rate per year? (a) 8% (b) 4% (c) 5% (d) 3%
18. 18.₹8500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹13090 (b) ₹3825 (c) ₹12325 (d) ₹9265
19. 19.What is the simple interest on ₹8000 at 5% per year for 4 years? (a) ₹2000 (b) ₹400 (c) ₹1600 (d) ₹9600
20. 20.What is the simple interest on ₹2500 at 4% per year for 4 years? (a) ₹500 (b) ₹400 (c) ₹100 (d) ₹2900
21. 21.What is the simple interest on ₹6500 at 10% per year for 2 years? (a) ₹1950 (b) ₹7800 (c) ₹1300 (d) ₹650
22. 22.₹2500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹3100 (b) ₹2900 (c) ₹400 (d) ₹2700
23. 23.The simple interest on ₹6000 for 4 years is ₹2160. What is the rate per year? (a) 8% (b) 10% (c) 36% (d) 9%
24. 24.₹1500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹1770 (b) ₹1590 (c) ₹270 (d) ₹1860
25. 25.What is the simple interest on ₹4500 at 4% per year for 5 years? (a) ₹180 (b) ₹900 (c) ₹1080 (d) ₹5400
26. 26.What is the simple interest on ₹4000 at 11% per year for 2 years? (a) ₹4880 (b) ₹1320 (c) ₹440 (d) ₹880
27. 27.What is the simple interest on ₹7000 at 8% per year for 3 years? (a) ₹8680 (b) ₹1680 (c) ₹560 (d) ₹2240
28. 28.In how many years will ₹6500 earn ₹975 simple interest at 3% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
29. 29.₹5500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹6270 (b) ₹6655 (c) ₹770 (d) ₹5885
30. 30.₹7000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹7140 (b) ₹420 (c) ₹7560 (d) ₹7420
31. 31.The simple interest on ₹3000 for 3 years is ₹810. What is the rate per year? (a) 9% (b) 10% (c) 27% (d) 8%
32. 32.₹1500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹1860 (b) ₹1620 (c) ₹1740 (d) ₹240
33. 33.The simple interest on ₹7000 for 2 years is ₹560. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 8%
34. 34.₹2000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹3100 (b) ₹3320 (c) ₹2220 (d) ₹1100
35. 35.₹5500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹5775 (b) ₹6600 (c) ₹1100 (d) ₹6875
36. 36.In how many years will ₹3500 earn ₹1925 simple interest at 11% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
37. 37.In how many years will ₹5500 earn ₹1650 simple interest at 6% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
38. 38.What is the simple interest on ₹7500 at 4% per year for 2 years? (a) ₹8100 (b) ₹300 (c) ₹900 (d) ₹600
39. 39.What is the simple interest on ₹2500 at 11% per year for 2 years? (a) ₹825 (b) ₹3050 (c) ₹550 (d) ₹275
40. 40.The simple interest on ₹2000 for 5 years is ₹200. What is the rate per year? (a) 1% (b) 2% (c) 10% (d) 3%

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