Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 385 · 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 ₹1000 at 11% per year for 5 years? (a) ₹110 (b) ₹1550 (c) ₹660 (d) ₹550
2. 2.₹8500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹8670 (b) ₹680 (c) ₹9350 (d) ₹9180
3. 3.What is the simple interest on ₹9000 at 4% per year for 5 years? (a) ₹10800 (b) ₹1800 (c) ₹2160 (d) ₹360
4. 4.What is the simple interest on ₹6500 at 9% per year for 3 years? (a) ₹8255 (b) ₹585 (c) ₹1755 (d) ₹2340
5. 5.₹9000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹900 (b) ₹9900 (c) ₹9450 (d) ₹10350
6. 6.What is the simple interest on ₹6000 at 2% per year for 4 years? (a) ₹120 (b) ₹6480 (c) ₹600 (d) ₹480
7. 7.₹4500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹720 (b) ₹4860 (c) ₹5220 (d) ₹5580
8. 8.What is the simple interest on ₹2000 at 3% per year for 4 years? (a) ₹300 (b) ₹240 (c) ₹2240 (d) ₹60
9. 9.What is the simple interest on ₹6000 at 5% per year for 4 years? (a) ₹7200 (b) ₹300 (c) ₹1500 (d) ₹1200
10. 10.₹7500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹8325 (b) ₹11625 (c) ₹12450 (d) ₹4125
11. 11.In how many years will ₹3000 earn ₹1320 simple interest at 11% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
12. 12.₹9000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹4320 (b) ₹13320 (c) ₹10080 (d) ₹14400
13. 13.₹4500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1080 (b) ₹5850 (c) ₹5580 (d) ₹4770
14. 14.In how many years will ₹1000 earn ₹480 simple interest at 12% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
15. 15.In how many years will ₹2000 earn ₹880 simple interest at 11% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
16. 16.₹8500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹14110 (b) ₹4675 (c) ₹9435 (d) ₹13175
17. 17.In how many years will ₹3500 earn ₹1540 simple interest at 11% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
18. 18.What is the simple interest on ₹5000 at 3% per year for 5 years? (a) ₹900 (b) ₹750 (c) ₹150 (d) ₹5750
19. 19.What is the simple interest on ₹8000 at 2% per year for 2 years? (a) ₹160 (b) ₹320 (c) ₹8320 (d) ₹480
20. 20.What is the simple interest on ₹6000 at 7% per year for 4 years? (a) ₹7680 (b) ₹2100 (c) ₹1680 (d) ₹420
21. 21.What is the simple interest on ₹9000 at 7% per year for 5 years? (a) ₹630 (b) ₹3780 (c) ₹12150 (d) ₹3150
22. 22.₹7000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹7210 (b) ₹840 (c) ₹7840 (d) ₹8050
23. 23.What is the simple interest on ₹7500 at 2% per year for 4 years? (a) ₹750 (b) ₹600 (c) ₹150 (d) ₹8100
24. 24.₹9000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹12150 (b) ₹9630 (c) ₹3150 (d) ₹12780
25. 25.The simple interest on ₹2000 for 3 years is ₹300. What is the rate per year? (a) 4% (b) 5% (c) 6% (d) 15%
26. 26.₹6500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹7865 (b) ₹6955 (c) ₹7410 (d) ₹910
27. 27.₹9000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹10620 (b) ₹10350 (c) ₹1350 (d) ₹9270
28. 28.What is the simple interest on ₹9500 at 11% per year for 2 years? (a) ₹3135 (b) ₹1045 (c) ₹2090 (d) ₹11590
29. 29.₹1000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹1090 (b) ₹1450 (c) ₹450 (d) ₹1540
30. 30.₹6000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹1440 (b) ₹6480 (c) ₹7440 (d) ₹7920
31. 31.What is the simple interest on ₹9000 at 2% per year for 5 years? (a) ₹900 (b) ₹1080 (c) ₹180 (d) ₹9900
32. 32.The simple interest on ₹5000 for 3 years is ₹450. What is the rate per year? (a) 9% (b) 3% (c) 4% (d) 2%
33. 33.The simple interest on ₹10000 for 5 years is ₹5500. What is the rate per year? (a) 11% (b) 12% (c) 10% (d) 55%
34. 34.The simple interest on ₹8000 for 2 years is ₹1120. What is the rate per year? (a) 14% (b) 7% (c) 8% (d) 6%
35. 35.The simple interest on ₹6500 for 5 years is ₹2275. What is the rate per year? (a) 35% (b) 6% (c) 8% (d) 7%
36. 36.What is the simple interest on ₹5000 at 10% per year for 4 years? (a) ₹500 (b) ₹2000 (c) ₹7000 (d) ₹2500
37. 37.₹1500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1635 (b) ₹405 (c) ₹2040 (d) ₹1905
38. 38.The simple interest on ₹9000 for 2 years is ₹1800. What is the rate per year? (a) 10% (b) 11% (c) 20% (d) 9%
39. 39.What is the simple interest on ₹6000 at 3% per year for 4 years? (a) ₹720 (b) ₹180 (c) ₹6720 (d) ₹900
40. 40.The simple interest on ₹1000 for 2 years is ₹80. What is the rate per year? (a) 8% (b) 5% (c) 4% (d) 3%

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