Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 998 · 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 ₹6000 earn ₹2880 simple interest at 12% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
2. 2.In how many years will ₹1500 earn ₹90 simple interest at 2% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
3. 3.The simple interest on ₹10000 for 4 years is ₹3600. What is the rate per year? (a) 36% (b) 8% (c) 9% (d) 10%
4. 4.What is the simple interest on ₹7500 at 8% per year for 2 years? (a) ₹1200 (b) ₹600 (c) ₹8700 (d) ₹1800
5. 5.In how many years will ₹4000 earn ₹880 simple interest at 11% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
6. 6.In how many years will ₹8000 earn ₹2400 simple interest at 10% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
7. 7.What is the simple interest on ₹5500 at 5% per year for 2 years? (a) ₹825 (b) ₹275 (c) ₹6050 (d) ₹550
8. 8.The simple interest on ₹9000 for 5 years is ₹2700. What is the rate per year? (a) 30% (b) 5% (c) 6% (d) 7%
9. 9.The simple interest on ₹1500 for 4 years is ₹240. What is the rate per year? (a) 5% (b) 16% (c) 3% (d) 4%
10. 10.What is the simple interest on ₹9500 at 7% per year for 2 years? (a) ₹10830 (b) ₹1330 (c) ₹665 (d) ₹1995
11. 11.What is the simple interest on ₹1000 at 5% per year for 5 years? (a) ₹1250 (b) ₹250 (c) ₹50 (d) ₹300
12. 12.The simple interest on ₹6500 for 2 years is ₹1430. What is the rate per year? (a) 12% (b) 11% (c) 10% (d) 22%
13. 13.What is the simple interest on ₹5000 at 4% per year for 3 years? (a) ₹200 (b) ₹800 (c) ₹5600 (d) ₹600
14. 14.In how many years will ₹2500 earn ₹225 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
15. 15.₹6000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹6900 (b) ₹7080 (c) ₹900 (d) ₹6180
16. 16.The simple interest on ₹3000 for 4 years is ₹240. What is the rate per year? (a) 8% (b) 1% (c) 2% (d) 3%
17. 17.What is the simple interest on ₹6500 at 3% per year for 5 years? (a) ₹195 (b) ₹975 (c) ₹1170 (d) ₹7475
18. 18.In how many years will ₹7500 earn ₹600 simple interest at 4% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
19. 19.In how many years will ₹4000 earn ₹560 simple interest at 7% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
20. 20.In how many years will ₹8500 earn ₹1785 simple interest at 7% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
21. 21.The simple interest on ₹2500 for 2 years is ₹200. What is the rate per year? (a) 5% (b) 3% (c) 8% (d) 4%
22. 22.What is the simple interest on ₹1500 at 11% per year for 5 years? (a) ₹165 (b) ₹825 (c) ₹990 (d) ₹2325
23. 23.In how many years will ₹4000 earn ₹400 simple interest at 5% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
24. 24.In how many years will ₹7500 earn ₹900 simple interest at 4% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
25. 25.What is the simple interest on ₹8500 at 6% per year for 4 years? (a) ₹10540 (b) ₹510 (c) ₹2040 (d) ₹2550
26. 26.₹7500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹8700 (b) ₹8400 (c) ₹900 (d) ₹7800
27. 27.₹6000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1320 (b) ₹6660 (c) ₹7320 (d) ₹7980
28. 28.The simple interest on ₹10000 for 5 years is ₹4000. What is the rate per year? (a) 7% (b) 8% (c) 40% (d) 9%
29. 29.The simple interest on ₹7000 for 4 years is ₹1960. What is the rate per year? (a) 28% (b) 7% (c) 6% (d) 8%
30. 30.₹3500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹420 (b) ₹3605 (c) ₹3920 (d) ₹4025
31. 31.In how many years will ₹3500 earn ₹840 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
32. 32.In how many years will ₹3500 earn ₹140 simple interest at 2% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
33. 33.What is the simple interest on ₹1000 at 10% per year for 5 years? (a) ₹600 (b) ₹100 (c) ₹1500 (d) ₹500
34. 34.₹3000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹3180 (b) ₹120 (c) ₹3060 (d) ₹3120
35. 35.In how many years will ₹8500 earn ₹2040 simple interest at 12% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
36. 36.₹1500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹1620 (b) ₹120 (c) ₹1680 (d) ₹1560
37. 37.In how many years will ₹2000 earn ₹700 simple interest at 7% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
38. 38.In how many years will ₹2500 earn ₹875 simple interest at 7% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
39. 39.In how many years will ₹10000 earn ₹2800 simple interest at 7% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
40. 40.The simple interest on ₹9500 for 5 years is ₹4275. What is the rate per year? (a) 9% (b) 45% (c) 8% (d) 10%

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