Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 993 · 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 ₹7000 at 5% per year for 2 years? (a) ₹350 (b) ₹1050 (c) ₹7700 (d) ₹700
2. 2.What is the simple interest on ₹5500 at 3% per year for 5 years? (a) ₹6325 (b) ₹165 (c) ₹990 (d) ₹825
3. 3.In how many years will ₹8500 earn ₹1700 simple interest at 4% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
4. 4.What is the simple interest on ₹3000 at 2% per year for 2 years? (a) ₹60 (b) ₹120 (c) ₹3120 (d) ₹180
5. 5.In how many years will ₹4500 earn ₹1260 simple interest at 7% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
6. 6.What is the simple interest on ₹10000 at 3% per year for 5 years? (a) ₹1800 (b) ₹300 (c) ₹1500 (d) ₹11500
7. 7.₹6500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹6955 (b) ₹7865 (c) ₹910 (d) ₹7410
8. 8.₹4000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹4480 (b) ₹6880 (c) ₹6400 (d) ₹2400
9. 9.The simple interest on ₹4000 for 3 years is ₹1440. What is the rate per year? (a) 13% (b) 11% (c) 12% (d) 36%
10. 10.The simple interest on ₹4000 for 5 years is ₹1400. What is the rate per year? (a) 6% (b) 8% (c) 35% (d) 7%
11. 11.The simple interest on ₹3000 for 5 years is ₹750. What is the rate per year? (a) 25% (b) 4% (c) 5% (d) 6%
12. 12.In how many years will ₹1500 earn ₹360 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
13. 13.What is the simple interest on ₹1000 at 12% per year for 4 years? (a) ₹1480 (b) ₹600 (c) ₹120 (d) ₹480
14. 14.In how many years will ₹8000 earn ₹960 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
15. 15.What is the simple interest on ₹2500 at 7% per year for 2 years? (a) ₹525 (b) ₹175 (c) ₹350 (d) ₹2850
16. 16.The simple interest on ₹5500 for 4 years is ₹2420. What is the rate per year? (a) 11% (b) 12% (c) 10% (d) 44%
17. 17.In how many years will ₹3000 earn ₹720 simple interest at 6% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
18. 18.In how many years will ₹10000 earn ₹1500 simple interest at 5% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
19. 19.The simple interest on ₹1500 for 5 years is ₹225. What is the rate per year? (a) 15% (b) 2% (c) 3% (d) 4%
20. 20.₹4500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹900 (b) ₹5400 (c) ₹5850 (d) ₹4950
21. 21.The simple interest on ₹3000 for 2 years is ₹360. What is the rate per year? (a) 5% (b) 6% (c) 12% (d) 7%
22. 22.The simple interest on ₹4000 for 4 years is ₹1600. What is the rate per year? (a) 10% (b) 11% (c) 9% (d) 40%
23. 23.What is the simple interest on ₹1500 at 3% per year for 3 years? (a) ₹180 (b) ₹1635 (c) ₹45 (d) ₹135
24. 24.What is the simple interest on ₹6000 at 8% per year for 3 years? (a) ₹1920 (b) ₹480 (c) ₹1440 (d) ₹7440
25. 25.What is the simple interest on ₹4000 at 2% per year for 5 years? (a) ₹4400 (b) ₹400 (c) ₹80 (d) ₹480
26. 26.The simple interest on ₹5000 for 2 years is ₹700. What is the rate per year? (a) 14% (b) 6% (c) 7% (d) 8%
27. 27.What is the simple interest on ₹2000 at 12% per year for 3 years? (a) ₹2720 (b) ₹240 (c) ₹720 (d) ₹960
28. 28.The simple interest on ₹9500 for 2 years is ₹2280. What is the rate per year? (a) 11% (b) 13% (c) 12% (d) 24%
29. 29.The simple interest on ₹8500 for 3 years is ₹1785. What is the rate per year? (a) 6% (b) 7% (c) 8% (d) 21%
30. 30.What is the simple interest on ₹1000 at 10% per year for 5 years? (a) ₹1500 (b) ₹100 (c) ₹500 (d) ₹600
31. 31.₹6000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹6360 (b) ₹6120 (c) ₹360 (d) ₹6480
32. 32.What is the simple interest on ₹2000 at 9% per year for 5 years? (a) ₹1080 (b) ₹2900 (c) ₹900 (d) ₹180
33. 33.What is the simple interest on ₹10000 at 8% per year for 3 years? (a) ₹800 (b) ₹3200 (c) ₹12400 (d) ₹2400
34. 34.The simple interest on ₹4000 for 2 years is ₹640. What is the rate per year? (a) 7% (b) 16% (c) 9% (d) 8%
35. 35.The simple interest on ₹1000 for 2 years is ₹100. What is the rate per year? (a) 10% (b) 6% (c) 5% (d) 4%
36. 36.In how many years will ₹5000 earn ₹500 simple interest at 5% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
37. 37.The simple interest on ₹8000 for 3 years is ₹720. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 9%
38. 38.In how many years will ₹6500 earn ₹975 simple interest at 5% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
39. 39.In how many years will ₹3500 earn ₹315 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
40. 40.₹7500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹450 (b) ₹8175 (c) ₹7725 (d) ₹7950

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