Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 779 · 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 ₹8000 for 4 years is ₹3200. What is the rate per year? (a) 11% (b) 40% (c) 9% (d) 10%
2. 2.₹1000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1040 (b) ₹200 (c) ₹1200 (d) ₹1240
3. 3.₹3000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹3270 (b) ₹540 (c) ₹3810 (d) ₹3540
4. 4.The simple interest on ₹7000 for 3 years is ₹1260. What is the rate per year? (a) 18% (b) 6% (c) 7% (d) 5%
5. 5.In how many years will ₹6500 earn ₹1950 simple interest at 6% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
6. 6.What is the simple interest on ₹4000 at 3% per year for 2 years? (a) ₹360 (b) ₹4240 (c) ₹240 (d) ₹120
7. 7.In how many years will ₹9000 earn ₹1350 simple interest at 3% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
8. 8.What is the simple interest on ₹6500 at 7% per year for 2 years? (a) ₹1365 (b) ₹455 (c) ₹7410 (d) ₹910
9. 9.What is the simple interest on ₹10000 at 2% per year for 3 years? (a) ₹200 (b) ₹10600 (c) ₹600 (d) ₹800
10. 10.What is the simple interest on ₹6000 at 5% per year for 5 years? (a) ₹1800 (b) ₹7500 (c) ₹1500 (d) ₹300
11. 11.The simple interest on ₹2000 for 2 years is ₹280. What is the rate per year? (a) 6% (b) 14% (c) 8% (d) 7%
12. 12.What is the simple interest on ₹2500 at 6% per year for 2 years? (a) ₹450 (b) ₹150 (c) ₹2800 (d) ₹300
13. 13.₹7000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹8680 (b) ₹9100 (c) ₹7420 (d) ₹1680
14. 14.₹8500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹8670 (b) ₹510 (c) ₹9180 (d) ₹9010
15. 15.The simple interest on ₹2000 for 4 years is ₹880. What is the rate per year? (a) 12% (b) 44% (c) 10% (d) 11%
16. 16.The simple interest on ₹7000 for 3 years is ₹1890. What is the rate per year? (a) 27% (b) 10% (c) 8% (d) 9%
17. 17.In how many years will ₹7000 earn ₹1260 simple interest at 6% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
18. 18.₹7500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹8625 (b) ₹7725 (c) ₹8850 (d) ₹1125
19. 19.₹7000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹7280 (b) ₹7840 (c) ₹840 (d) ₹8120
20. 20.The simple interest on ₹3000 for 2 years is ₹240. What is the rate per year? (a) 8% (b) 4% (c) 5% (d) 3%
21. 21.What is the simple interest on ₹10000 at 8% per year for 4 years? (a) ₹3200 (b) ₹4000 (c) ₹13200 (d) ₹800
22. 22.₹6500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹7215 (b) ₹7930 (c) ₹8645 (d) ₹1430
23. 23.₹8500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹4250 (b) ₹9350 (c) ₹12750 (d) ₹13600
24. 24.What is the simple interest on ₹8500 at 3% per year for 2 years? (a) ₹510 (b) ₹255 (c) ₹9010 (d) ₹765
25. 25.What is the simple interest on ₹5500 at 2% per year for 2 years? (a) ₹220 (b) ₹330 (c) ₹110 (d) ₹5720
26. 26.What is the simple interest on ₹1000 at 12% per year for 5 years? (a) ₹1600 (b) ₹120 (c) ₹720 (d) ₹600
27. 27.What is the simple interest on ₹4000 at 12% per year for 5 years? (a) ₹2880 (b) ₹2400 (c) ₹480 (d) ₹6400
28. 28.The simple interest on ₹9500 for 5 years is ₹1425. What is the rate per year? (a) 2% (b) 3% (c) 15% (d) 4%
29. 29.₹2500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹3550 (b) ₹2675 (c) ₹875 (d) ₹3375
30. 30.In how many years will ₹5000 earn ₹500 simple interest at 2% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
31. 31.In how many years will ₹10000 earn ₹6000 simple interest at 12% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
32. 32.₹4500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹5220 (b) ₹4860 (c) ₹720 (d) ₹5580
33. 33.₹3500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹3710 (b) ₹3570 (c) ₹3640 (d) ₹140
34. 34.₹4000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹5120 (b) ₹5400 (c) ₹1120 (d) ₹4280
35. 35.In how many years will ₹1500 earn ₹900 simple interest at 12% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
36. 36.What is the simple interest on ₹1000 at 8% per year for 5 years? (a) ₹400 (b) ₹80 (c) ₹480 (d) ₹1400
37. 37.The simple interest on ₹9000 for 3 years is ₹2160. What is the rate per year? (a) 8% (b) 9% (c) 7% (d) 24%
38. 38.₹9500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹11780 (b) ₹10260 (c) ₹11020 (d) ₹1520
39. 39.What is the simple interest on ₹2500 at 8% per year for 4 years? (a) ₹800 (b) ₹1000 (c) ₹200 (d) ₹3300
40. 40.What is the simple interest on ₹4000 at 2% per year for 5 years? (a) ₹4400 (b) ₹400 (c) ₹480 (d) ₹80

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