Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 903 · 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 ₹7000 earn ₹420 simple interest at 3% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
2. 2.In how many years will ₹8000 earn ₹2000 simple interest at 5% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
3. 3.What is the simple interest on ₹6000 at 8% per year for 5 years? (a) ₹8400 (b) ₹480 (c) ₹2400 (d) ₹2880
4. 4.₹9500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹10450 (b) ₹10640 (c) ₹9690 (d) ₹950
5. 5.The simple interest on ₹4500 for 2 years is ₹450. What is the rate per year? (a) 6% (b) 10% (c) 5% (d) 4%
6. 6.In how many years will ₹8000 earn ₹3200 simple interest at 10% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
7. 7.In how many years will ₹6000 earn ₹960 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
8. 8.₹4500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹4950 (b) ₹4860 (c) ₹4590 (d) ₹360
9. 9.₹2000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹2300 (b) ₹300 (c) ₹2360 (d) ₹2060
10. 10.In how many years will ₹7500 earn ₹300 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
11. 11.What is the simple interest on ₹5000 at 5% per year for 4 years? (a) ₹250 (b) ₹6000 (c) ₹1000 (d) ₹1250
12. 12.The simple interest on ₹4500 for 3 years is ₹810. What is the rate per year? (a) 6% (b) 18% (c) 7% (d) 5%
13. 13.In how many years will ₹7000 earn ₹3360 simple interest at 12% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
14. 14.The simple interest on ₹7500 for 3 years is ₹900. What is the rate per year? (a) 3% (b) 4% (c) 12% (d) 5%
15. 15.The simple interest on ₹8000 for 2 years is ₹1760. What is the rate per year? (a) 10% (b) 11% (c) 22% (d) 12%
16. 16.In how many years will ₹2000 earn ₹300 simple interest at 5% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
17. 17.What is the simple interest on ₹9500 at 9% per year for 2 years? (a) ₹855 (b) ₹11210 (c) ₹2565 (d) ₹1710
18. 18.The simple interest on ₹6500 for 4 years is ₹2080. What is the rate per year? (a) 8% (b) 32% (c) 7% (d) 9%
19. 19.In how many years will ₹3000 earn ₹420 simple interest at 7% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
20. 20.In how many years will ₹6500 earn ₹260 simple interest at 2% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
21. 21.In how many years will ₹8000 earn ₹800 simple interest at 5% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
22. 22.What is the simple interest on ₹1500 at 6% per year for 5 years? (a) ₹450 (b) ₹540 (c) ₹1950 (d) ₹90
23. 23.What is the simple interest on ₹2000 at 9% per year for 3 years? (a) ₹540 (b) ₹2540 (c) ₹180 (d) ₹720
24. 24.₹6000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹360 (b) ₹6540 (c) ₹6180 (d) ₹6360
25. 25.In how many years will ₹2500 earn ₹100 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
26. 26.₹5500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹550 (b) ₹6160 (c) ₹5610 (d) ₹6050
27. 27.₹9500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹14060 (b) ₹10640 (c) ₹15200 (d) ₹4560
28. 28.What is the simple interest on ₹2500 at 5% per year for 2 years? (a) ₹125 (b) ₹250 (c) ₹375 (d) ₹2750
29. 29.What is the simple interest on ₹1500 at 7% per year for 5 years? (a) ₹2025 (b) ₹525 (c) ₹105 (d) ₹630
30. 30.In how many years will ₹1000 earn ₹120 simple interest at 4% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
31. 31.The simple interest on ₹2000 for 4 years is ₹320. What is the rate per year? (a) 4% (b) 3% (c) 16% (d) 5%
32. 32.In how many years will ₹2000 earn ₹400 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
33. 33.What is the simple interest on ₹6000 at 10% per year for 5 years? (a) ₹600 (b) ₹9000 (c) ₹3600 (d) ₹3000
34. 34.₹6000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹6480 (b) ₹960 (c) ₹7440 (d) ₹6960
35. 35.₹9000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹720 (b) ₹9360 (c) ₹9720 (d) ₹10080
36. 36.In how many years will ₹5000 earn ₹600 simple interest at 6% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
37. 37.₹6000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹9000 (b) ₹3000 (c) ₹6600 (d) ₹9600
38. 38.₹5000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹6500 (b) ₹5500 (c) ₹6000 (d) ₹1000
39. 39.The simple interest on ₹3000 for 3 years is ₹180. What is the rate per year? (a) 2% (b) 1% (c) 6% (d) 3%
40. 40.₹7500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹9300 (b) ₹7950 (c) ₹1350 (d) ₹8850

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