Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 350 · 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.In how many years will ₹1500 earn ₹600 simple interest at 10% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
2. 2.In how many years will ₹4000 earn ₹1440 simple interest at 12% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
3. 3.What is the simple interest on ₹1000 at 5% per year for 5 years? (a) ₹300 (b) ₹1250 (c) ₹250 (d) ₹50
4. 4.₹2500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹3300 (b) ₹2700 (c) ₹3100 (d) ₹600
5. 5.What is the simple interest on ₹8500 at 6% per year for 2 years? (a) ₹1530 (b) ₹1020 (c) ₹510 (d) ₹9520
6. 6.₹8000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹10800 (b) ₹10240 (c) ₹8560 (d) ₹2240
7. 7.What is the simple interest on ₹2500 at 8% per year for 4 years? (a) ₹200 (b) ₹3300 (c) ₹1000 (d) ₹800
8. 8.The simple interest on ₹1000 for 2 years is ₹60. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 6%
9. 9.What is the simple interest on ₹1500 at 6% per year for 2 years? (a) ₹270 (b) ₹90 (c) ₹180 (d) ₹1680
10. 10.In how many years will ₹9500 earn ₹760 simple interest at 2% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
11. 11.The simple interest on ₹8500 for 2 years is ₹1360. What is the rate per year? (a) 9% (b) 16% (c) 8% (d) 7%
12. 12.In how many years will ₹4500 earn ₹1080 simple interest at 12% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
13. 13.What is the simple interest on ₹4500 at 6% per year for 2 years? (a) ₹810 (b) ₹5040 (c) ₹270 (d) ₹540
14. 14.₹2500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹2550 (b) ₹250 (c) ₹2800 (d) ₹2750
15. 15.In how many years will ₹10000 earn ₹600 simple interest at 3% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
16. 16.What is the simple interest on ₹8000 at 3% per year for 5 years? (a) ₹1440 (b) ₹1200 (c) ₹9200 (d) ₹240
17. 17.₹8000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹8720 (b) ₹720 (c) ₹8240 (d) ₹8960
18. 18.What is the simple interest on ₹9500 at 5% per year for 4 years? (a) ₹2375 (b) ₹11400 (c) ₹1900 (d) ₹475
19. 19.₹4500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹990 (b) ₹5985 (c) ₹4995 (d) ₹5490
20. 20.In how many years will ₹2000 earn ₹960 simple interest at 12% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
21. 21.In how many years will ₹9500 earn ₹855 simple interest at 3% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
22. 22.In how many years will ₹1500 earn ₹675 simple interest at 9% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
23. 23.The simple interest on ₹2000 for 5 years is ₹500. What is the rate per year? (a) 25% (b) 4% (c) 6% (d) 5%
24. 24.₹5500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹5830 (b) ₹990 (c) ₹6820 (d) ₹6490
25. 25.₹7000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹8680 (b) ₹1260 (c) ₹7420 (d) ₹8260
26. 26.In how many years will ₹3500 earn ₹1540 simple interest at 11% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
27. 27.In how many years will ₹9500 earn ₹1900 simple interest at 4% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
28. 28.The simple interest on ₹1500 for 4 years is ₹240. What is the rate per year? (a) 5% (b) 4% (c) 3% (d) 16%
29. 29.₹9000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹9810 (b) ₹1620 (c) ₹10620 (d) ₹11430
30. 30.In how many years will ₹6000 earn ₹2100 simple interest at 7% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
31. 31.What is the simple interest on ₹8500 at 9% per year for 5 years? (a) ₹4590 (b) ₹12325 (c) ₹3825 (d) ₹765
32. 32.The simple interest on ₹1500 for 5 years is ₹675. What is the rate per year? (a) 45% (b) 9% (c) 8% (d) 10%
33. 33.₹3500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹3885 (b) ₹1540 (c) ₹5425 (d) ₹5040
34. 34.The simple interest on ₹8000 for 3 years is ₹1680. What is the rate per year? (a) 21% (b) 6% (c) 8% (d) 7%
35. 35.The simple interest on ₹2500 for 2 years is ₹300. What is the rate per year? (a) 5% (b) 6% (c) 12% (d) 7%
36. 36.₹4500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹900 (b) ₹5400 (c) ₹4680 (d) ₹5580
37. 37.The simple interest on ₹6500 for 4 years is ₹780. What is the rate per year? (a) 12% (b) 2% (c) 4% (d) 3%
38. 38.In how many years will ₹6000 earn ₹3300 simple interest at 11% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
39. 39.What is the simple interest on ₹7500 at 6% per year for 2 years? (a) ₹450 (b) ₹1350 (c) ₹8400 (d) ₹900
40. 40.In how many years will ₹10000 earn ₹6000 simple interest at 12% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years

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