Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 581 · 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 2 years is ₹540. What is the rate per year? (a) 9% (b) 18% (c) 10% (d) 8%
2. 2.In how many years will ₹4500 earn ₹270 simple interest at 3% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
3. 3.In how many years will ₹2500 earn ₹550 simple interest at 11% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
4. 4.₹4500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹4860 (b) ₹6660 (c) ₹1800 (d) ₹6300
5. 5.The simple interest on ₹1500 for 4 years is ₹540. What is the rate per year? (a) 36% (b) 8% (c) 10% (d) 9%
6. 6.The simple interest on ₹2500 for 5 years is ₹625. What is the rate per year? (a) 5% (b) 4% (c) 25% (d) 6%
7. 7.₹4500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹5310 (b) ₹810 (c) ₹4770 (d) ₹5580
8. 8.What is the simple interest on ₹4000 at 2% per year for 2 years? (a) ₹240 (b) ₹80 (c) ₹160 (d) ₹4160
9. 9.What is the simple interest on ₹4500 at 4% per year for 5 years? (a) ₹900 (b) ₹5400 (c) ₹1080 (d) ₹180
10. 10.₹3000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹840 (b) ₹3840 (c) ₹4050 (d) ₹3210
11. 11.What is the simple interest on ₹5000 at 8% per year for 2 years? (a) ₹5800 (b) ₹1200 (c) ₹800 (d) ₹400
12. 12.The simple interest on ₹4500 for 5 years is ₹2475. What is the rate per year? (a) 12% (b) 10% (c) 11% (d) 55%
13. 13.What is the simple interest on ₹2500 at 7% per year for 4 years? (a) ₹875 (b) ₹3200 (c) ₹175 (d) ₹700
14. 14.In how many years will ₹9500 earn ₹3325 simple interest at 7% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
15. 15.In how many years will ₹3500 earn ₹560 simple interest at 4% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
16. 16.₹7000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹7210 (b) ₹7420 (c) ₹7630 (d) ₹420
17. 17.The simple interest on ₹7500 for 3 years is ₹1350. What is the rate per year? (a) 6% (b) 18% (c) 5% (d) 7%
18. 18.In how many years will ₹6500 earn ₹1300 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
19. 19.The simple interest on ₹3000 for 5 years is ₹1200. What is the rate per year? (a) 8% (b) 7% (c) 40% (d) 9%
20. 20.The simple interest on ₹2000 for 2 years is ₹240. What is the rate per year? (a) 7% (b) 5% (c) 6% (d) 12%
21. 21.The simple interest on ₹3000 for 3 years is ₹810. What is the rate per year? (a) 9% (b) 10% (c) 27% (d) 8%
22. 22.The simple interest on ₹6000 for 2 years is ₹240. What is the rate per year? (a) 3% (b) 2% (c) 1% (d) 4%
23. 23.In how many years will ₹4000 earn ₹640 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
24. 24.In how many years will ₹1000 earn ₹240 simple interest at 12% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
25. 25.₹3000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹1350 (b) ₹4620 (c) ₹4350 (d) ₹3270
26. 26.In how many years will ₹5000 earn ₹1200 simple interest at 8% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
27. 27.What is the simple interest on ₹7500 at 8% per year for 5 years? (a) ₹10500 (b) ₹600 (c) ₹3600 (d) ₹3000
28. 28.What is the simple interest on ₹8000 at 2% per year for 2 years? (a) ₹320 (b) ₹8320 (c) ₹160 (d) ₹480
29. 29.What is the simple interest on ₹8500 at 10% per year for 3 years? (a) ₹2550 (b) ₹11050 (c) ₹3400 (d) ₹850
30. 30.What is the simple interest on ₹4000 at 12% per year for 2 years? (a) ₹1440 (b) ₹480 (c) ₹960 (d) ₹4960
31. 31.₹9000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹9990 (b) ₹4950 (c) ₹13950 (d) ₹14940
32. 32.What is the simple interest on ₹3000 at 11% per year for 4 years? (a) ₹4320 (b) ₹1650 (c) ₹330 (d) ₹1320
33. 33.In how many years will ₹3000 earn ₹480 simple interest at 8% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
34. 34.What is the simple interest on ₹2500 at 8% per year for 3 years? (a) ₹3100 (b) ₹200 (c) ₹800 (d) ₹600
35. 35.₹5500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹6710 (b) ₹7315 (c) ₹1210 (d) ₹6105
36. 36.In how many years will ₹2000 earn ₹640 simple interest at 8% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
37. 37.What is the simple interest on ₹8000 at 5% per year for 5 years? (a) ₹400 (b) ₹2400 (c) ₹10000 (d) ₹2000
38. 38.The simple interest on ₹4500 for 2 years is ₹180. What is the rate per year? (a) 3% (b) 2% (c) 1% (d) 4%
39. 39.In how many years will ₹10000 earn ₹1800 simple interest at 9% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
40. 40.The simple interest on ₹4000 for 4 years is ₹320. What is the rate per year? (a) 2% (b) 3% (c) 1% (d) 8%

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