Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 977 · 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.₹5000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹6500 (b) ₹1000 (c) ₹6000 (d) ₹5500
2. 2.The simple interest on ₹1000 for 5 years is ₹300. What is the rate per year? (a) 5% (b) 7% (c) 30% (d) 6%
3. 3.The simple interest on ₹6500 for 2 years is ₹1170. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 18%
4. 4.In how many years will ₹3000 earn ₹1320 simple interest at 11% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
5. 5.In how many years will ₹7000 earn ₹420 simple interest at 3% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
6. 6.What is the simple interest on ₹5500 at 7% per year for 2 years? (a) ₹385 (b) ₹6270 (c) ₹1155 (d) ₹770
7. 7.In how many years will ₹4000 earn ₹1800 simple interest at 9% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
8. 8.The simple interest on ₹7500 for 2 years is ₹1350. What is the rate per year? (a) 18% (b) 10% (c) 9% (d) 8%
9. 9.What is the simple interest on ₹5500 at 2% per year for 5 years? (a) ₹6050 (b) ₹110 (c) ₹660 (d) ₹550
10. 10.The simple interest on ₹1500 for 2 years is ₹120. What is the rate per year? (a) 8% (b) 3% (c) 5% (d) 4%
11. 11.The simple interest on ₹4000 for 2 years is ₹960. What is the rate per year? (a) 11% (b) 12% (c) 24% (d) 13%
12. 12.What is the simple interest on ₹7500 at 3% per year for 5 years? (a) ₹8625 (b) ₹225 (c) ₹1350 (d) ₹1125
13. 13.The simple interest on ₹6000 for 3 years is ₹1620. What is the rate per year? (a) 10% (b) 8% (c) 27% (d) 9%
14. 14.The simple interest on ₹8500 for 2 years is ₹1190. What is the rate per year? (a) 6% (b) 8% (c) 7% (d) 14%
15. 15.In how many years will ₹8500 earn ₹4675 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
16. 16.What is the simple interest on ₹7500 at 2% per year for 4 years? (a) ₹8100 (b) ₹750 (c) ₹150 (d) ₹600
17. 17.₹3500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹560 (b) ₹4340 (c) ₹3780 (d) ₹4060
18. 18.The simple interest on ₹2500 for 4 years is ₹900. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 36%
19. 19.In how many years will ₹9500 earn ₹570 simple interest at 3% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
20. 20.₹3500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹1400 (b) ₹3850 (c) ₹5250 (d) ₹4900
21. 21.In how many years will ₹8000 earn ₹3520 simple interest at 11% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
22. 22.₹4000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹4720 (b) ₹5080 (c) ₹720 (d) ₹4360
23. 23.What is the simple interest on ₹10000 at 3% per year for 2 years? (a) ₹900 (b) ₹300 (c) ₹600 (d) ₹10600
24. 24.What is the simple interest on ₹2000 at 8% per year for 2 years? (a) ₹320 (b) ₹160 (c) ₹2320 (d) ₹480
25. 25.The simple interest on ₹7000 for 2 years is ₹700. What is the rate per year? (a) 6% (b) 5% (c) 4% (d) 10%
26. 26.₹4500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1215 (b) ₹6120 (c) ₹4905 (d) ₹5715
27. 27.The simple interest on ₹6000 for 2 years is ₹600. What is the rate per year? (a) 6% (b) 4% (c) 10% (d) 5%
28. 28.What is the simple interest on ₹7000 at 10% per year for 5 years? (a) ₹700 (b) ₹4200 (c) ₹10500 (d) ₹3500
29. 29.₹4500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1080 (b) ₹5580 (c) ₹5850 (d) ₹4770
30. 30.In how many years will ₹6000 earn ₹240 simple interest at 2% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
31. 31.In how many years will ₹4000 earn ₹2400 simple interest at 12% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
32. 32.The simple interest on ₹4500 for 4 years is ₹1800. What is the rate per year? (a) 11% (b) 40% (c) 10% (d) 9%
33. 33.The simple interest on ₹6000 for 4 years is ₹1680. What is the rate per year? (a) 8% (b) 7% (c) 6% (d) 28%
34. 34.₹3000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹3810 (b) ₹540 (c) ₹3270 (d) ₹3540
35. 35.In how many years will ₹5500 earn ₹2640 simple interest at 12% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
36. 36.What is the simple interest on ₹3000 at 5% per year for 5 years? (a) ₹900 (b) ₹150 (c) ₹3750 (d) ₹750
37. 37.The simple interest on ₹8500 for 5 years is ₹1700. What is the rate per year? (a) 5% (b) 20% (c) 4% (d) 3%
38. 38.What is the simple interest on ₹4000 at 2% per year for 4 years? (a) ₹4320 (b) ₹400 (c) ₹80 (d) ₹320
39. 39.₹7500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹7650 (b) ₹450 (c) ₹7950 (d) ₹8100
40. 40.₹9000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹9540 (b) ₹9180 (c) ₹9360 (d) ₹360

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