Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 365 · 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 ₹10000 at 9% per year for 3 years? (a) ₹2700 (b) ₹900 (c) ₹12700 (d) ₹3600
2. 2.₹10000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹13000 (b) ₹3000 (c) ₹13600 (d) ₹10600
3. 3.What is the simple interest on ₹6500 at 10% per year for 2 years? (a) ₹7800 (b) ₹650 (c) ₹1950 (d) ₹1300
4. 4.The simple interest on ₹7000 for 2 years is ₹1680. What is the rate per year? (a) 24% (b) 11% (c) 12% (d) 13%
5. 5.₹5000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹5600 (b) ₹600 (c) ₹5800 (d) ₹5200
6. 6.In how many years will ₹1500 earn ₹360 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
7. 7.The simple interest on ₹6000 for 5 years is ₹1800. What is the rate per year? (a) 7% (b) 6% (c) 5% (d) 30%
8. 8.₹6500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹650 (b) ₹6630 (c) ₹7280 (d) ₹7150
9. 9.What is the simple interest on ₹4500 at 10% per year for 4 years? (a) ₹2250 (b) ₹450 (c) ₹6300 (d) ₹1800
10. 10.The simple interest on ₹5000 for 3 years is ₹1050. What is the rate per year? (a) 6% (b) 21% (c) 8% (d) 7%
11. 11.In how many years will ₹9000 earn ₹1440 simple interest at 8% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
12. 12.In how many years will ₹6500 earn ₹2340 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
13. 13.The simple interest on ₹6500 for 4 years is ₹1560. What is the rate per year? (a) 5% (b) 24% (c) 6% (d) 7%
14. 14.In how many years will ₹5500 earn ₹1485 simple interest at 9% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
15. 15.In how many years will ₹1500 earn ₹300 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
16. 16.The simple interest on ₹3500 for 2 years is ₹350. What is the rate per year? (a) 4% (b) 6% (c) 5% (d) 10%
17. 17.₹5000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹5400 (b) ₹6200 (c) ₹800 (d) ₹5800
18. 18.What is the simple interest on ₹1500 at 7% per year for 3 years? (a) ₹420 (b) ₹315 (c) ₹1815 (d) ₹105
19. 19.In how many years will ₹5000 earn ₹1250 simple interest at 5% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
20. 20.In how many years will ₹1500 earn ₹210 simple interest at 7% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
21. 21.In how many years will ₹7000 earn ₹2800 simple interest at 8% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
22. 22.In how many years will ₹2500 earn ₹400 simple interest at 4% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
23. 23.₹1000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹1320 (b) ₹1080 (c) ₹1240 (d) ₹240
24. 24.What is the simple interest on ₹5500 at 10% per year for 2 years? (a) ₹1100 (b) ₹1650 (c) ₹550 (d) ₹6600
25. 25.₹8500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹10370 (b) ₹11305 (c) ₹1870 (d) ₹9435
26. 26.The simple interest on ₹2500 for 2 years is ₹400. What is the rate per year? (a) 16% (b) 9% (c) 8% (d) 7%
27. 27.₹5500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹5885 (b) ₹6655 (c) ₹6270 (d) ₹770
28. 28.The simple interest on ₹6000 for 5 years is ₹2400. What is the rate per year? (a) 8% (b) 7% (c) 9% (d) 40%
29. 29.₹9000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹9630 (b) ₹3150 (c) ₹12780 (d) ₹12150
30. 30.What is the simple interest on ₹8500 at 11% per year for 5 years? (a) ₹935 (b) ₹13175 (c) ₹5610 (d) ₹4675
31. 31.What is the simple interest on ₹6500 at 2% per year for 2 years? (a) ₹390 (b) ₹260 (c) ₹6760 (d) ₹130
32. 32.The simple interest on ₹5000 for 4 years is ₹1000. What is the rate per year? (a) 5% (b) 4% (c) 20% (d) 6%
33. 33.What is the simple interest on ₹1000 at 2% per year for 3 years? (a) ₹80 (b) ₹60 (c) ₹20 (d) ₹1060
34. 34.What is the simple interest on ₹10000 at 11% per year for 3 years? (a) ₹1100 (b) ₹13300 (c) ₹3300 (d) ₹4400
35. 35.The simple interest on ₹5500 for 3 years is ₹1320. What is the rate per year? (a) 7% (b) 8% (c) 9% (d) 24%
36. 36.The simple interest on ₹8000 for 4 years is ₹1280. What is the rate per year? (a) 5% (b) 3% (c) 16% (d) 4%
37. 37.In how many years will ₹1000 earn ₹300 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
38. 38.In how many years will ₹5500 earn ₹660 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
39. 39.The simple interest on ₹5000 for 5 years is ₹2500. What is the rate per year? (a) 9% (b) 10% (c) 50% (d) 11%
40. 40.What is the simple interest on ₹7500 at 4% per year for 5 years? (a) ₹1500 (b) ₹1800 (c) ₹300 (d) ₹9000

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