Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 695 · 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 ₹5000 at 6% per year for 5 years? (a) ₹1800 (b) ₹6500 (c) ₹300 (d) ₹1500
2. 2.The simple interest on ₹4000 for 5 years is ₹1200. What is the rate per year? (a) 5% (b) 6% (c) 30% (d) 7%
3. 3.₹6000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹6720 (b) ₹540 (c) ₹6540 (d) ₹6180
4. 4.What is the simple interest on ₹7000 at 2% per year for 3 years? (a) ₹420 (b) ₹140 (c) ₹560 (d) ₹7420
5. 5.In how many years will ₹9500 earn ₹1425 simple interest at 3% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
6. 6.What is the simple interest on ₹2000 at 9% per year for 4 years? (a) ₹720 (b) ₹2720 (c) ₹900 (d) ₹180
7. 7.What is the simple interest on ₹8500 at 3% per year for 4 years? (a) ₹255 (b) ₹1020 (c) ₹9520 (d) ₹1275
8. 8.₹9500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹13775 (b) ₹10355 (c) ₹4275 (d) ₹14630
9. 9.In how many years will ₹7500 earn ₹2250 simple interest at 10% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
10. 10.In how many years will ₹8500 earn ₹1700 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
11. 11.₹1500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹2100 (b) ₹2220 (c) ₹1620 (d) ₹600
12. 12.In how many years will ₹9000 earn ₹3600 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
13. 13.What is the simple interest on ₹1500 at 5% per year for 4 years? (a) ₹375 (b) ₹1800 (c) ₹300 (d) ₹75
14. 14.The simple interest on ₹3500 for 5 years is ₹1400. What is the rate per year? (a) 7% (b) 8% (c) 9% (d) 40%
15. 15.₹4500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹4815 (b) ₹6075 (c) ₹6390 (d) ₹1575
16. 16.What is the simple interest on ₹6500 at 10% per year for 3 years? (a) ₹650 (b) ₹1950 (c) ₹2600 (d) ₹8450
17. 17.What is the simple interest on ₹10000 at 4% per year for 2 years? (a) ₹800 (b) ₹1200 (c) ₹400 (d) ₹10800
18. 18.What is the simple interest on ₹4000 at 4% per year for 2 years? (a) ₹160 (b) ₹4320 (c) ₹480 (d) ₹320
19. 19.The simple interest on ₹9500 for 2 years is ₹950. What is the rate per year? (a) 6% (b) 4% (c) 10% (d) 5%
20. 20.What is the simple interest on ₹1500 at 6% per year for 2 years? (a) ₹1680 (b) ₹180 (c) ₹90 (d) ₹270
21. 21.In how many years will ₹3500 earn ₹315 simple interest at 3% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
22. 22.In how many years will ₹3000 earn ₹240 simple interest at 2% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
23. 23.₹2500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹3100 (b) ₹2650 (c) ₹2950 (d) ₹450
24. 24.In how many years will ₹7500 earn ₹600 simple interest at 2% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
25. 25.What is the simple interest on ₹8000 at 12% per year for 3 years? (a) ₹10880 (b) ₹3840 (c) ₹2880 (d) ₹960
26. 26.What is the simple interest on ₹3500 at 11% per year for 2 years? (a) ₹4270 (b) ₹385 (c) ₹1155 (d) ₹770
27. 27.In how many years will ₹8500 earn ₹510 simple interest at 3% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
28. 28.In how many years will ₹5000 earn ₹2200 simple interest at 11% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
29. 29.The simple interest on ₹3500 for 2 years is ₹770. What is the rate per year? (a) 12% (b) 22% (c) 10% (d) 11%
30. 30.₹8000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹8960 (b) ₹640 (c) ₹8320 (d) ₹8640
31. 31.In how many years will ₹4000 earn ₹840 simple interest at 7% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
32. 32.In how many years will ₹5000 earn ₹800 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
33. 33.₹5000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹5400 (b) ₹400 (c) ₹5600 (d) ₹5200
34. 34.₹5000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹8000 (b) ₹7500 (c) ₹5500 (d) ₹2500
35. 35.The simple interest on ₹4000 for 3 years is ₹1320. What is the rate per year? (a) 10% (b) 11% (c) 33% (d) 12%
36. 36.₹9000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹9540 (b) ₹11700 (c) ₹2160 (d) ₹11160
37. 37.The simple interest on ₹5000 for 5 years is ₹2750. What is the rate per year? (a) 10% (b) 12% (c) 55% (d) 11%
38. 38.What is the simple interest on ₹10000 at 11% per year for 4 years? (a) ₹1100 (b) ₹4400 (c) ₹5500 (d) ₹14400
39. 39.₹7000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹7770 (b) ₹9310 (c) ₹10080 (d) ₹2310
40. 40.In how many years will ₹10000 earn ₹4800 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years

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