Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 192 · 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 ₹3000 at 2% per year for 4 years? (a) ₹300 (b) ₹60 (c) ₹3240 (d) ₹240
2. 2.₹5500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹7975 (b) ₹5995 (c) ₹7480 (d) ₹1980
3. 3.The simple interest on ₹5500 for 4 years is ₹440. What is the rate per year? (a) 1% (b) 8% (c) 3% (d) 2%
4. 4.The simple interest on ₹6000 for 2 years is ₹840. What is the rate per year? (a) 8% (b) 6% (c) 14% (d) 7%
5. 5.What is the simple interest on ₹5000 at 6% per year for 3 years? (a) ₹1200 (b) ₹900 (c) ₹5900 (d) ₹300
6. 6.₹3000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹3300 (b) ₹4500 (c) ₹4200 (d) ₹1200
7. 7.The simple interest on ₹3000 for 2 years is ₹720. What is the rate per year? (a) 24% (b) 13% (c) 12% (d) 11%
8. 8.In how many years will ₹2000 earn ₹320 simple interest at 4% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
9. 9.What is the simple interest on ₹2000 at 10% per year for 4 years? (a) ₹1000 (b) ₹800 (c) ₹200 (d) ₹2800
10. 10.The simple interest on ₹2500 for 5 years is ₹1375. What is the rate per year? (a) 55% (b) 11% (c) 12% (d) 10%
11. 11.₹1000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹1030 (b) ₹1120 (c) ₹120 (d) ₹1150
12. 12.₹1500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1800 (b) ₹1950 (c) ₹300 (d) ₹1650
13. 13.What is the simple interest on ₹3000 at 9% per year for 4 years? (a) ₹4080 (b) ₹270 (c) ₹1080 (d) ₹1350
14. 14.What is the simple interest on ₹9000 at 12% per year for 2 years? (a) ₹3240 (b) ₹2160 (c) ₹1080 (d) ₹11160
15. 15.The simple interest on ₹8000 for 3 years is ₹720. What is the rate per year? (a) 2% (b) 9% (c) 4% (d) 3%
16. 16.The simple interest on ₹1000 for 5 years is ₹150. What is the rate per year? (a) 15% (b) 4% (c) 3% (d) 2%
17. 17.In how many years will ₹2000 earn ₹240 simple interest at 3% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
18. 18.₹3000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹3180 (b) ₹120 (c) ₹3060 (d) ₹3120
19. 19.₹3500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹4445 (b) ₹4130 (c) ₹630 (d) ₹3815
20. 20.In how many years will ₹9000 earn ₹4950 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
21. 21.₹2000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹2200 (b) ₹3200 (c) ₹1000 (d) ₹3000
22. 22.The simple interest on ₹8000 for 2 years is ₹1440. What is the rate per year? (a) 8% (b) 10% (c) 18% (d) 9%
23. 23.The simple interest on ₹8500 for 3 years is ₹765. What is the rate per year? (a) 4% (b) 9% (c) 3% (d) 2%
24. 24.The simple interest on ₹9500 for 3 years is ₹1995. What is the rate per year? (a) 8% (b) 7% (c) 6% (d) 21%
25. 25.₹8500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1785 (b) ₹10880 (c) ₹10285 (d) ₹9095
26. 26.₹10000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹2700 (b) ₹13600 (c) ₹12700 (d) ₹10900
27. 27.What is the simple interest on ₹2000 at 8% per year for 3 years? (a) ₹480 (b) ₹640 (c) ₹2480 (d) ₹160
28. 28.In how many years will ₹8000 earn ₹960 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
29. 29.The simple interest on ₹10000 for 3 years is ₹1800. What is the rate per year? (a) 6% (b) 5% (c) 18% (d) 7%
30. 30.₹5000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹5750 (b) ₹5500 (c) ₹5250 (d) ₹500
31. 31.In how many years will ₹5500 earn ₹770 simple interest at 7% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
32. 32.₹1500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹1620 (b) ₹1530 (c) ₹120 (d) ₹1650
33. 33.In how many years will ₹7000 earn ₹1120 simple interest at 8% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
34. 34.In how many years will ₹1000 earn ₹120 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
35. 35.The simple interest on ₹3000 for 5 years is ₹1200. What is the rate per year? (a) 7% (b) 9% (c) 8% (d) 40%
36. 36.In how many years will ₹3000 earn ₹540 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
37. 37.The simple interest on ₹8500 for 5 years is ₹1275. What is the rate per year? (a) 4% (b) 3% (c) 15% (d) 2%
38. 38.What is the simple interest on ₹3500 at 7% per year for 4 years? (a) ₹4480 (b) ₹980 (c) ₹1225 (d) ₹245
39. 39.The simple interest on ₹1500 for 4 years is ₹720. What is the rate per year? (a) 48% (b) 11% (c) 12% (d) 13%
40. 40.In how many years will ₹1000 earn ₹180 simple interest at 9% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years

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