Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 396 · 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 ₹6500 at 3% per year for 2 years? (a) ₹195 (b) ₹585 (c) ₹390 (d) ₹6890
2. 2.In how many years will ₹1500 earn ₹180 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
3. 3.The simple interest on ₹1500 for 3 years is ₹180. What is the rate per year? (a) 12% (b) 3% (c) 5% (d) 4%
4. 4.In how many years will ₹3000 earn ₹240 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
5. 5.What is the simple interest on ₹2000 at 8% per year for 2 years? (a) ₹2320 (b) ₹160 (c) ₹320 (d) ₹480
6. 6.What is the simple interest on ₹5000 at 12% per year for 3 years? (a) ₹1800 (b) ₹6800 (c) ₹2400 (d) ₹600
7. 7.The simple interest on ₹2500 for 2 years is ₹150. What is the rate per year? (a) 3% (b) 4% (c) 6% (d) 2%
8. 8.The simple interest on ₹1500 for 5 years is ₹450. What is the rate per year? (a) 6% (b) 5% (c) 7% (d) 30%
9. 9.₹7000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹7840 (b) ₹4200 (c) ₹12040 (d) ₹11200
10. 10.What is the simple interest on ₹1000 at 4% per year for 2 years? (a) ₹40 (b) ₹1080 (c) ₹80 (d) ₹120
11. 11.₹9500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹10355 (b) ₹4275 (c) ₹14630 (d) ₹13775
12. 12.What is the simple interest on ₹3500 at 4% per year for 2 years? (a) ₹280 (b) ₹420 (c) ₹140 (d) ₹3780
13. 13.₹4500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹6300 (b) ₹4950 (c) ₹1350 (d) ₹5850
14. 14.The simple interest on ₹5000 for 5 years is ₹1000. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 20%
15. 15.What is the simple interest on ₹7000 at 11% per year for 4 years? (a) ₹770 (b) ₹3850 (c) ₹3080 (d) ₹10080
16. 16.₹4500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹6525 (b) ₹1620 (c) ₹4905 (d) ₹6120
17. 17.What is the simple interest on ₹7500 at 4% per year for 3 years? (a) ₹300 (b) ₹8400 (c) ₹1200 (d) ₹900
18. 18.What is the simple interest on ₹4500 at 9% per year for 4 years? (a) ₹405 (b) ₹1620 (c) ₹2025 (d) ₹6120
19. 19.In how many years will ₹2500 earn ₹150 simple interest at 3% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
20. 20.What is the simple interest on ₹3000 at 5% per year for 4 years? (a) ₹750 (b) ₹150 (c) ₹3600 (d) ₹600
21. 21.The simple interest on ₹2000 for 3 years is ₹480. What is the rate per year? (a) 8% (b) 7% (c) 9% (d) 24%
22. 22.₹1000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹1550 (b) ₹1440 (c) ₹440 (d) ₹1110
23. 23.The simple interest on ₹6500 for 2 years is ₹1560. What is the rate per year? (a) 24% (b) 12% (c) 11% (d) 13%
24. 24.The simple interest on ₹1000 for 2 years is ₹100. What is the rate per year? (a) 5% (b) 6% (c) 4% (d) 10%
25. 25.₹8000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹8960 (b) ₹960 (c) ₹8240 (d) ₹9200
26. 26.₹6500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹7280 (b) ₹6695 (c) ₹585 (d) ₹7085
27. 27.The simple interest on ₹7000 for 2 years is ₹980. What is the rate per year? (a) 6% (b) 8% (c) 7% (d) 14%
28. 28.What is the simple interest on ₹6000 at 5% per year for 3 years? (a) ₹6900 (b) ₹300 (c) ₹900 (d) ₹1200
29. 29.In how many years will ₹4500 earn ₹270 simple interest at 3% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
30. 30.In how many years will ₹8000 earn ₹1600 simple interest at 4% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
31. 31.In how many years will ₹2500 earn ₹500 simple interest at 10% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
32. 32.What is the simple interest on ₹7000 at 2% per year for 4 years? (a) ₹700 (b) ₹7560 (c) ₹560 (d) ₹140
33. 33.The simple interest on ₹3000 for 4 years is ₹840. What is the rate per year? (a) 28% (b) 6% (c) 8% (d) 7%
34. 34.The simple interest on ₹3000 for 5 years is ₹1650. What is the rate per year? (a) 11% (b) 55% (c) 10% (d) 12%
35. 35.In how many years will ₹2000 earn ₹200 simple interest at 5% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
36. 36.What is the simple interest on ₹8000 at 4% per year for 4 years? (a) ₹1280 (b) ₹320 (c) ₹1600 (d) ₹9280
37. 37.In how many years will ₹6500 earn ₹2145 simple interest at 11% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
38. 38.In how many years will ₹4000 earn ₹480 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
39. 39.In how many years will ₹4500 earn ₹1080 simple interest at 6% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
40. 40.The simple interest on ₹7500 for 4 years is ₹900. What is the rate per year? (a) 12% (b) 3% (c) 4% (d) 2%

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad