Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 848 · 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 ₹10000 earn ₹3500 simple interest at 7% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
2. 2.What is the simple interest on ₹5000 at 12% per year for 4 years? (a) ₹7400 (b) ₹600 (c) ₹2400 (d) ₹3000
3. 3.In how many years will ₹8000 earn ₹1600 simple interest at 4% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
4. 4.₹10000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹13000 (b) ₹3000 (c) ₹13600 (d) ₹10600
5. 5.₹10000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹14400 (b) ₹13300 (c) ₹3300 (d) ₹11100
6. 6.The simple interest on ₹6500 for 4 years is ₹1300. What is the rate per year? (a) 4% (b) 20% (c) 5% (d) 6%
7. 7.What is the simple interest on ₹4000 at 7% per year for 4 years? (a) ₹5120 (b) ₹1120 (c) ₹280 (d) ₹1400
8. 8.In how many years will ₹7500 earn ₹1350 simple interest at 9% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
9. 9.The simple interest on ₹7500 for 4 years is ₹3000. What is the rate per year? (a) 40% (b) 9% (c) 10% (d) 11%
10. 10.₹1000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1140 (b) ₹1070 (c) ₹140 (d) ₹1210
11. 11.What is the simple interest on ₹5000 at 4% per year for 4 years? (a) ₹200 (b) ₹5800 (c) ₹1000 (d) ₹800
12. 12.What is the simple interest on ₹3000 at 11% per year for 3 years? (a) ₹330 (b) ₹1320 (c) ₹990 (d) ₹3990
13. 13.In how many years will ₹6500 earn ₹2860 simple interest at 11% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
14. 14.The simple interest on ₹8000 for 5 years is ₹800. What is the rate per year? (a) 1% (b) 3% (c) 10% (d) 2%
15. 15.In how many years will ₹7500 earn ₹2100 simple interest at 7% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
16. 16.The simple interest on ₹2500 for 4 years is ₹500. What is the rate per year? (a) 20% (b) 4% (c) 6% (d) 5%
17. 17.What is the simple interest on ₹6000 at 3% per year for 2 years? (a) ₹180 (b) ₹540 (c) ₹360 (d) ₹6360
18. 18.₹6500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹6630 (b) ₹6760 (c) ₹260 (d) ₹6890
19. 19.₹1000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1240 (b) ₹1040 (c) ₹1200 (d) ₹200
20. 20.What is the simple interest on ₹7500 at 2% per year for 2 years? (a) ₹150 (b) ₹450 (c) ₹300 (d) ₹7800
21. 21.The simple interest on ₹9000 for 2 years is ₹1260. What is the rate per year? (a) 14% (b) 6% (c) 8% (d) 7%
22. 22.What is the simple interest on ₹2000 at 9% per year for 2 years? (a) ₹180 (b) ₹540 (c) ₹2360 (d) ₹360
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.₹9500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹12160 (b) ₹12825 (c) ₹10165 (d) ₹2660
25. 25.What is the simple interest on ₹2500 at 7% per year for 2 years? (a) ₹175 (b) ₹2850 (c) ₹525 (d) ₹350
26. 26.The simple interest on ₹9000 for 4 years is ₹720. What is the rate per year? (a) 3% (b) 8% (c) 2% (d) 1%
27. 27.In how many years will ₹7500 earn ₹2250 simple interest at 10% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
28. 28.In how many years will ₹8000 earn ₹2160 simple interest at 9% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
29. 29.In how many years will ₹5000 earn ₹800 simple interest at 8% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
30. 30.The simple interest on ₹4500 for 5 years is ₹1125. What is the rate per year? (a) 6% (b) 4% (c) 5% (d) 25%
31. 31.The simple interest on ₹2000 for 5 years is ₹300. What is the rate per year? (a) 4% (b) 2% (c) 15% (d) 3%
32. 32.₹6000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹7080 (b) ₹1080 (c) ₹6360 (d) ₹7440
33. 33.In how many years will ₹1500 earn ₹600 simple interest at 10% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
34. 34.What is the simple interest on ₹3500 at 2% per year for 2 years? (a) ₹3640 (b) ₹140 (c) ₹210 (d) ₹70
35. 35.In how many years will ₹3000 earn ₹960 simple interest at 8% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
36. 36.In how many years will ₹8000 earn ₹480 simple interest at 2% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
37. 37.What is the simple interest on ₹3000 at 12% per year for 3 years? (a) ₹1080 (b) ₹1440 (c) ₹360 (d) ₹4080
38. 38.The simple interest on ₹9500 for 3 years is ₹2280. What is the rate per year? (a) 24% (b) 9% (c) 7% (d) 8%
39. 39.What is the simple interest on ₹9000 at 6% per year for 4 years? (a) ₹11160 (b) ₹2700 (c) ₹540 (d) ₹2160
40. 40.What is the simple interest on ₹7000 at 5% per year for 3 years? (a) ₹1400 (b) ₹8050 (c) ₹350 (d) ₹1050

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