Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 37 · 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 7% per year for 2 years? (a) ₹1400 (b) ₹700 (c) ₹11400 (d) ₹2100
2. 2.₹8000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹8720 (b) ₹10160 (c) ₹10880 (d) ₹2160
3. 3.What is the simple interest on ₹9500 at 10% per year for 5 years? (a) ₹14250 (b) ₹950 (c) ₹4750 (d) ₹5700
4. 4.The simple interest on ₹9500 for 2 years is ₹2090. What is the rate per year? (a) 10% (b) 22% (c) 11% (d) 12%
5. 5.In how many years will ₹1500 earn ₹120 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
6. 6.What is the simple interest on ₹6000 at 7% per year for 5 years? (a) ₹8100 (b) ₹2100 (c) ₹420 (d) ₹2520
7. 7.₹9500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹10260 (b) ₹9690 (c) ₹10450 (d) ₹760
8. 8.What is the simple interest on ₹9500 at 7% per year for 5 years? (a) ₹12825 (b) ₹3990 (c) ₹3325 (d) ₹665
9. 9.₹7500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹7725 (b) ₹8400 (c) ₹900 (d) ₹8625
10. 10.What is the simple interest on ₹3000 at 2% per year for 5 years? (a) ₹60 (b) ₹360 (c) ₹300 (d) ₹3300
11. 11.₹3000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹180 (b) ₹3270 (c) ₹3180 (d) ₹3090
12. 12.₹4500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹4725 (b) ₹5175 (c) ₹4950 (d) ₹450
13. 13.In how many years will ₹1500 earn ₹225 simple interest at 5% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
14. 14.In how many years will ₹3500 earn ₹350 simple interest at 2% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
15. 15.₹3000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹3480 (b) ₹480 (c) ₹3720 (d) ₹3240
16. 16.₹4000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹1440 (b) ₹5440 (c) ₹5800 (d) ₹4360
17. 17.₹8000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹8880 (b) ₹3520 (c) ₹12400 (d) ₹11520
18. 18.The simple interest on ₹2500 for 4 years is ₹1000. What is the rate per year? (a) 11% (b) 9% (c) 40% (d) 10%
19. 19.What is the simple interest on ₹4500 at 2% per year for 2 years? (a) ₹270 (b) ₹180 (c) ₹4680 (d) ₹90
20. 20.₹9000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹10440 (b) ₹1080 (c) ₹9360 (d) ₹10080
21. 21.The simple interest on ₹6000 for 5 years is ₹1500. What is the rate per year? (a) 4% (b) 6% (c) 5% (d) 25%
22. 22.The simple interest on ₹8000 for 3 years is ₹720. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 9%
23. 23.₹6500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹7215 (b) ₹9360 (c) ₹2860 (d) ₹10075
24. 24.The simple interest on ₹1500 for 2 years is ₹330. What is the rate per year? (a) 10% (b) 12% (c) 22% (d) 11%
25. 25.What is the simple interest on ₹9500 at 2% per year for 3 years? (a) ₹10070 (b) ₹760 (c) ₹570 (d) ₹190
26. 26.In how many years will ₹1500 earn ₹540 simple interest at 9% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
27. 27.₹8500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹9860 (b) ₹8840 (c) ₹9520 (d) ₹1020
28. 28.₹10000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹11800 (b) ₹12400 (c) ₹1800 (d) ₹10600
29. 29.In how many years will ₹3000 earn ₹1350 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
30. 30.The simple interest on ₹6500 for 5 years is ₹1950. What is the rate per year? (a) 30% (b) 6% (c) 7% (d) 5%
31. 31.In how many years will ₹2000 earn ₹320 simple interest at 4% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
32. 32.The simple interest on ₹1500 for 4 years is ₹300. What is the rate per year? (a) 6% (b) 4% (c) 20% (d) 5%
33. 33.What is the simple interest on ₹3000 at 12% per year for 3 years? (a) ₹1080 (b) ₹4080 (c) ₹1440 (d) ₹360
34. 34.In how many years will ₹2000 earn ₹320 simple interest at 8% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
35. 35.₹5000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹1000 (b) ₹5250 (c) ₹6000 (d) ₹6250
36. 36.What is the simple interest on ₹1000 at 6% per year for 4 years? (a) ₹240 (b) ₹300 (c) ₹1240 (d) ₹60
37. 37.In how many years will ₹6500 earn ₹2600 simple interest at 10% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
38. 38.The simple interest on ₹4000 for 4 years is ₹320. What is the rate per year? (a) 8% (b) 1% (c) 2% (d) 3%
39. 39.₹7000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹8680 (b) ₹7420 (c) ₹8260 (d) ₹1260
40. 40.₹2500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹200 (b) ₹2700 (c) ₹2750 (d) ₹2550

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