Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 665 · 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 ₹7500 at 5% per year for 4 years? (a) ₹1500 (b) ₹375 (c) ₹1875 (d) ₹9000
2. 2.₹1000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹1240 (b) ₹1120 (c) ₹240 (d) ₹1360
3. 3.₹1000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹1240 (b) ₹180 (c) ₹1180 (d) ₹1060
4. 4.The simple interest on ₹1500 for 5 years is ₹600. What is the rate per year? (a) 9% (b) 40% (c) 7% (d) 8%
5. 5.What is the simple interest on ₹5500 at 12% per year for 3 years? (a) ₹1980 (b) ₹660 (c) ₹7480 (d) ₹2640
6. 6.The simple interest on ₹8000 for 2 years is ₹960. What is the rate per year? (a) 7% (b) 5% (c) 12% (d) 6%
7. 7.In how many years will ₹3500 earn ₹770 simple interest at 11% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
8. 8.In how many years will ₹8000 earn ₹640 simple interest at 2% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
9. 9.What is the simple interest on ₹1500 at 7% per year for 5 years? (a) ₹105 (b) ₹2025 (c) ₹630 (d) ₹525
10. 10.In how many years will ₹1000 earn ₹100 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
11. 11.₹10000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹1000 (b) ₹11200 (c) ₹11000 (d) ₹10200
12. 12.The simple interest on ₹3000 for 4 years is ₹1320. What is the rate per year? (a) 10% (b) 44% (c) 11% (d) 12%
13. 13.In how many years will ₹7000 earn ₹1400 simple interest at 5% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
14. 14.The simple interest on ₹3000 for 2 years is ₹120. What is the rate per year? (a) 3% (b) 1% (c) 4% (d) 2%
15. 15.What is the simple interest on ₹2500 at 10% per year for 2 years? (a) ₹250 (b) ₹750 (c) ₹500 (d) ₹3000
16. 16.What is the simple interest on ₹3000 at 7% per year for 4 years? (a) ₹210 (b) ₹1050 (c) ₹3840 (d) ₹840
17. 17.₹9500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹12920 (b) ₹14060 (c) ₹3420 (d) ₹10640
18. 18.What is the simple interest on ₹8000 at 3% per year for 4 years? (a) ₹960 (b) ₹8960 (c) ₹240 (d) ₹1200
19. 19.The simple interest on ₹4500 for 5 years is ₹1125. What is the rate per year? (a) 6% (b) 25% (c) 4% (d) 5%
20. 20.What is the simple interest on ₹3500 at 11% per year for 3 years? (a) ₹4655 (b) ₹385 (c) ₹1155 (d) ₹1540
21. 21.In how many years will ₹3000 earn ₹240 simple interest at 2% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
22. 22.What is the simple interest on ₹2500 at 9% per year for 2 years? (a) ₹225 (b) ₹450 (c) ₹675 (d) ₹2950
23. 23.₹6500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹7085 (b) ₹8255 (c) ₹7670 (d) ₹1170
24. 24.₹5000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹6600 (b) ₹1200 (c) ₹5400 (d) ₹6200
25. 25.What is the simple interest on ₹3500 at 2% per year for 5 years? (a) ₹420 (b) ₹350 (c) ₹3850 (d) ₹70
26. 26.The simple interest on ₹7500 for 2 years is ₹1200. What is the rate per year? (a) 7% (b) 8% (c) 16% (d) 9%
27. 27.What is the simple interest on ₹8000 at 5% per year for 3 years? (a) ₹9200 (b) ₹1600 (c) ₹400 (d) ₹1200
28. 28.What is the simple interest on ₹7500 at 2% per year for 3 years? (a) ₹150 (b) ₹450 (c) ₹600 (d) ₹7950
29. 29.What is the simple interest on ₹5500 at 10% per year for 2 years? (a) ₹1100 (b) ₹1650 (c) ₹550 (d) ₹6600
30. 30.The simple interest on ₹6500 for 3 years is ₹2340. What is the rate per year? (a) 36% (b) 11% (c) 12% (d) 13%
31. 31.What is the simple interest on ₹7000 at 5% per year for 4 years? (a) ₹1400 (b) ₹350 (c) ₹8400 (d) ₹1750
32. 32.The simple interest on ₹1000 for 2 years is ₹80. What is the rate per year? (a) 8% (b) 5% (c) 3% (d) 4%
33. 33.₹8000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹9920 (b) ₹8640 (c) ₹1280 (d) ₹9280
34. 34.₹8000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹640 (b) ₹8960 (c) ₹8640 (d) ₹8320
35. 35.₹7500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹8175 (b) ₹2700 (c) ₹10200 (d) ₹10875
36. 36.In how many years will ₹1500 earn ₹150 simple interest at 5% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
37. 37.What is the simple interest on ₹6000 at 7% per year for 2 years? (a) ₹6840 (b) ₹1260 (c) ₹840 (d) ₹420
38. 38.What is the simple interest on ₹4500 at 5% per year for 4 years? (a) ₹900 (b) ₹225 (c) ₹5400 (d) ₹1125
39. 39.In how many years will ₹3000 earn ₹120 simple interest at 2% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
40. 40.The simple interest on ₹5500 for 2 years is ₹440. What is the rate per year? (a) 3% (b) 5% (c) 8% (d) 4%

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