Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 59 · 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 ₹8000 earn ₹3200 simple interest at 8% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
2. 2.What is the simple interest on ₹7500 at 6% per year for 3 years? (a) ₹450 (b) ₹8850 (c) ₹1350 (d) ₹1800
3. 3.What is the simple interest on ₹10000 at 3% per year for 4 years? (a) ₹1200 (b) ₹300 (c) ₹1500 (d) ₹11200
4. 4.The simple interest on ₹9000 for 4 years is ₹2160. What is the rate per year? (a) 5% (b) 7% (c) 6% (d) 24%
5. 5.₹9500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹10070 (b) ₹570 (c) ₹9785 (d) ₹10355
6. 6.In how many years will ₹7500 earn ₹675 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
7. 7.The simple interest on ₹8500 for 5 years is ₹2550. What is the rate per year? (a) 30% (b) 7% (c) 6% (d) 5%
8. 8.What is the simple interest on ₹4500 at 2% per year for 5 years? (a) ₹4950 (b) ₹450 (c) ₹90 (d) ₹540
9. 9.The simple interest on ₹6000 for 3 years is ₹540. What is the rate per year? (a) 9% (b) 4% (c) 2% (d) 3%
10. 10.What is the simple interest on ₹3000 at 3% per year for 2 years? (a) ₹90 (b) ₹270 (c) ₹180 (d) ₹3180
11. 11.The simple interest on ₹5500 for 3 years is ₹1980. What is the rate per year? (a) 36% (b) 11% (c) 12% (d) 13%
12. 12.₹3000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹3720 (b) ₹600 (c) ₹3120 (d) ₹3600
13. 13.In how many years will ₹10000 earn ₹900 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
14. 14.What is the simple interest on ₹1000 at 4% per year for 4 years? (a) ₹1160 (b) ₹200 (c) ₹160 (d) ₹40
15. 15.The simple interest on ₹1000 for 2 years is ₹160. What is the rate per year? (a) 8% (b) 7% (c) 9% (d) 16%
16. 16.In how many years will ₹8500 earn ₹2550 simple interest at 6% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
17. 17.In how many years will ₹6500 earn ₹1040 simple interest at 4% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
18. 18.What is the simple interest on ₹1000 at 11% per year for 5 years? (a) ₹1550 (b) ₹660 (c) ₹550 (d) ₹110
19. 19.In how many years will ₹1500 earn ₹150 simple interest at 2% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
20. 20.The simple interest on ₹5500 for 3 years is ₹330. What is the rate per year? (a) 1% (b) 6% (c) 2% (d) 3%
21. 21.The simple interest on ₹9500 for 2 years is ₹1710. What is the rate per year? (a) 10% (b) 8% (c) 18% (d) 9%
22. 22.What is the simple interest on ₹3500 at 9% per year for 3 years? (a) ₹945 (b) ₹4445 (c) ₹315 (d) ₹1260
23. 23.What is the simple interest on ₹1000 at 11% per year for 3 years? (a) ₹1330 (b) ₹440 (c) ₹110 (d) ₹330
24. 24.The simple interest on ₹2000 for 5 years is ₹400. What is the rate per year? (a) 3% (b) 5% (c) 20% (d) 4%
25. 25.In how many years will ₹4000 earn ₹480 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
26. 26.₹3000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹4500 (b) ₹4200 (c) ₹3300 (d) ₹1200
27. 27.What is the simple interest on ₹8500 at 2% per year for 4 years? (a) ₹850 (b) ₹9180 (c) ₹680 (d) ₹170
28. 28.The simple interest on ₹9500 for 4 years is ₹1520. What is the rate per year? (a) 3% (b) 16% (c) 4% (d) 5%
29. 29.The simple interest on ₹7000 for 2 years is ₹560. What is the rate per year? (a) 4% (b) 8% (c) 5% (d) 3%
30. 30.What is the simple interest on ₹5000 at 7% per year for 5 years? (a) ₹350 (b) ₹2100 (c) ₹6750 (d) ₹1750
31. 31.The simple interest on ₹4000 for 2 years is ₹240. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 6%
32. 32.The simple interest on ₹1500 for 2 years is ₹330. What is the rate per year? (a) 22% (b) 10% (c) 11% (d) 12%
33. 33.₹8500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹11475 (b) ₹12070 (c) ₹9095 (d) ₹2975
34. 34.₹4000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹4400 (b) ₹4080 (c) ₹400 (d) ₹4480
35. 35.₹5000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹7700 (b) ₹2250 (c) ₹5450 (d) ₹7250
36. 36.The simple interest on ₹7000 for 5 years is ₹1400. What is the rate per year? (a) 20% (b) 5% (c) 4% (d) 3%
37. 37.In how many years will ₹7000 earn ₹1540 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
38. 38.In how many years will ₹6000 earn ₹840 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
39. 39.The simple interest on ₹9500 for 5 years is ₹1900. What is the rate per year? (a) 5% (b) 4% (c) 3% (d) 20%
40. 40.The simple interest on ₹3500 for 2 years is ₹700. What is the rate per year? (a) 11% (b) 20% (c) 9% (d) 10%

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