Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 630 · 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.The simple interest on ₹3000 for 4 years is ₹360. What is the rate per year? (a) 3% (b) 2% (c) 12% (d) 4%
2. 2.₹8500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹680 (b) ₹8670 (c) ₹9350 (d) ₹9180
3. 3.₹3500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹840 (b) ₹4620 (c) ₹4340 (d) ₹3780
4. 4.The simple interest on ₹3500 for 4 years is ₹1680. What is the rate per year? (a) 13% (b) 11% (c) 48% (d) 12%
5. 5.₹8500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1700 (b) ₹11050 (c) ₹10200 (d) ₹9350
6. 6.What is the simple interest on ₹1500 at 3% per year for 4 years? (a) ₹1680 (b) ₹45 (c) ₹225 (d) ₹180
7. 7.The simple interest on ₹4000 for 2 years is ₹160. What is the rate per year? (a) 1% (b) 2% (c) 3% (d) 4%
8. 8.What is the simple interest on ₹4500 at 11% per year for 3 years? (a) ₹5985 (b) ₹495 (c) ₹1485 (d) ₹1980
9. 9.₹9500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹14630 (b) ₹4275 (c) ₹13775 (d) ₹10355
10. 10.What is the simple interest on ₹5000 at 3% per year for 3 years? (a) ₹5450 (b) ₹600 (c) ₹450 (d) ₹150
11. 11.In how many years will ₹1500 earn ₹675 simple interest at 9% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
12. 12.In how many years will ₹2000 earn ₹80 simple interest at 2% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
13. 13.What is the simple interest on ₹4500 at 7% per year for 2 years? (a) ₹315 (b) ₹945 (c) ₹630 (d) ₹5130
14. 14.The simple interest on ₹1000 for 5 years is ₹150. What is the rate per year? (a) 15% (b) 4% (c) 3% (d) 2%
15. 15.₹3500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹4340 (b) ₹4130 (c) ₹3710 (d) ₹630
16. 16.What is the simple interest on ₹2000 at 2% per year for 5 years? (a) ₹200 (b) ₹240 (c) ₹40 (d) ₹2200
17. 17.₹4500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹4680 (b) ₹5040 (c) ₹5220 (d) ₹540
18. 18.The simple interest on ₹2500 for 2 years is ₹150. What is the rate per year? (a) 6% (b) 2% (c) 4% (d) 3%
19. 19.₹3000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹3900 (b) ₹3600 (c) ₹3300 (d) ₹600
20. 20.The simple interest on ₹1500 for 5 years is ₹300. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 20%
21. 21.The simple interest on ₹3500 for 3 years is ₹1050. What is the rate per year? (a) 9% (b) 11% (c) 30% (d) 10%
22. 22.In how many years will ₹4500 earn ₹540 simple interest at 3% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
23. 23.The simple interest on ₹9500 for 5 years is ₹4750. What is the rate per year? (a) 9% (b) 10% (c) 11% (d) 50%
24. 24.₹1000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹1060 (b) ₹1080 (c) ₹60 (d) ₹1020
25. 25.The simple interest on ₹9500 for 4 years is ₹4560. What is the rate per year? (a) 12% (b) 11% (c) 48% (d) 13%
26. 26.₹5500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹3300 (b) ₹6160 (c) ₹9460 (d) ₹8800
27. 27.₹6000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹960 (b) ₹7440 (c) ₹6480 (d) ₹6960
28. 28.What is the simple interest on ₹1500 at 5% per year for 2 years? (a) ₹150 (b) ₹1650 (c) ₹225 (d) ₹75
29. 29.In how many years will ₹2500 earn ₹150 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
30. 30.₹2500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹200 (b) ₹2550 (c) ₹2750 (d) ₹2700
31. 31.What is the simple interest on ₹4500 at 5% per year for 2 years? (a) ₹4950 (b) ₹675 (c) ₹225 (d) ₹450
32. 32.The simple interest on ₹3500 for 2 years is ₹350. What is the rate per year? (a) 5% (b) 4% (c) 6% (d) 10%
33. 33.What is the simple interest on ₹2500 at 7% per year for 3 years? (a) ₹700 (b) ₹3025 (c) ₹525 (d) ₹175
34. 34.In how many years will ₹3500 earn ₹700 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
35. 35.What is the simple interest on ₹2500 at 6% per year for 3 years? (a) ₹600 (b) ₹150 (c) ₹2950 (d) ₹450
36. 36.₹5000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹5500 (b) ₹1000 (c) ₹6500 (d) ₹6000
37. 37.₹5000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹6100 (b) ₹5550 (c) ₹6650 (d) ₹1100
38. 38.₹3500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹1750 (b) ₹5600 (c) ₹5250 (d) ₹3850
39. 39.₹7000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹8050 (b) ₹840 (c) ₹7210 (d) ₹7840
40. 40.In how many years will ₹1500 earn ₹420 simple interest at 7% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years

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