Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 515 · 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 ₹3500 at 4% per year for 5 years? (a) ₹4200 (b) ₹140 (c) ₹840 (d) ₹700
2. 2.In how many years will ₹6000 earn ₹240 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
3. 3.₹9000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹12600 (b) ₹11700 (c) ₹2700 (d) ₹9900
4. 4.The simple interest on ₹3000 for 3 years is ₹720. What is the rate per year? (a) 7% (b) 8% (c) 24% (d) 9%
5. 5.What is the simple interest on ₹2500 at 9% per year for 3 years? (a) ₹3175 (b) ₹675 (c) ₹225 (d) ₹900
6. 6.₹5000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹6650 (b) ₹7200 (c) ₹5550 (d) ₹1650
7. 7.₹7000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹7490 (b) ₹1470 (c) ₹8960 (d) ₹8470
8. 8.The simple interest on ₹8500 for 5 years is ₹3825. What is the rate per year? (a) 8% (b) 45% (c) 10% (d) 9%
9. 9.What is the simple interest on ₹1000 at 6% per year for 3 years? (a) ₹240 (b) ₹180 (c) ₹1180 (d) ₹60
10. 10.In how many years will ₹6500 earn ₹1040 simple interest at 4% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
11. 11.In how many years will ₹9000 earn ₹540 simple interest at 3% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
12. 12.In how many years will ₹1500 earn ₹330 simple interest at 11% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
13. 13.The simple interest on ₹3500 for 2 years is ₹840. What is the rate per year? (a) 11% (b) 24% (c) 13% (d) 12%
14. 14.What is the simple interest on ₹1000 at 10% per year for 5 years? (a) ₹500 (b) ₹600 (c) ₹1500 (d) ₹100
15. 15.What is the simple interest on ₹7500 at 5% per year for 2 years? (a) ₹8250 (b) ₹750 (c) ₹375 (d) ₹1125
16. 16.₹4500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹4680 (b) ₹5040 (c) ₹4860 (d) ₹360
17. 17.₹1000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹220 (b) ₹1220 (c) ₹1330 (d) ₹1110
18. 18.₹8000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹8480 (b) ₹8720 (c) ₹8240 (d) ₹480
19. 19.The simple interest on ₹7500 for 4 years is ₹3000. What is the rate per year? (a) 40% (b) 11% (c) 9% (d) 10%
20. 20.In how many years will ₹2500 earn ₹500 simple interest at 10% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
21. 21.₹5000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹5300 (b) ₹5200 (c) ₹5100 (d) ₹200
22. 22.The simple interest on ₹6000 for 5 years is ₹1200. What is the rate per year? (a) 4% (b) 20% (c) 3% (d) 5%
23. 23.₹7500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹8625 (b) ₹7875 (c) ₹750 (d) ₹8250
24. 24.₹7500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹2400 (b) ₹10500 (c) ₹8100 (d) ₹9900
25. 25.The simple interest on ₹7000 for 5 years is ₹2800. What is the rate per year? (a) 9% (b) 40% (c) 7% (d) 8%
26. 26.What is the simple interest on ₹7500 at 8% per year for 2 years? (a) ₹1200 (b) ₹600 (c) ₹8700 (d) ₹1800
27. 27.In how many years will ₹5500 earn ₹990 simple interest at 6% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
28. 28.What is the simple interest on ₹7000 at 6% per year for 2 years? (a) ₹7840 (b) ₹1260 (c) ₹840 (d) ₹420
29. 29.₹3500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹3920 (b) ₹3570 (c) ₹350 (d) ₹3850
30. 30.What is the simple interest on ₹8500 at 6% per year for 3 years? (a) ₹10030 (b) ₹510 (c) ₹1530 (d) ₹2040
31. 31.The simple interest on ₹2000 for 4 years is ₹240. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 12%
32. 32.In how many years will ₹1500 earn ₹60 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
33. 33.What is the simple interest on ₹1000 at 2% per year for 4 years? (a) ₹1080 (b) ₹100 (c) ₹80 (d) ₹20
34. 34.The simple interest on ₹3500 for 2 years is ₹140. What is the rate per year? (a) 2% (b) 3% (c) 1% (d) 4%
35. 35.In how many years will ₹8500 earn ₹1275 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
36. 36.₹1000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹1480 (b) ₹1600 (c) ₹1120 (d) ₹480
37. 37.In how many years will ₹6000 earn ₹600 simple interest at 2% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
38. 38.₹3500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹4900 (b) ₹1050 (c) ₹4550 (d) ₹3850
39. 39.₹6000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹8400 (b) ₹1920 (c) ₹6480 (d) ₹7920
40. 40.What is the simple interest on ₹7500 at 7% per year for 4 years? (a) ₹9600 (b) ₹2100 (c) ₹525 (d) ₹2625

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