Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 36 · 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 ₹9000 at 10% per year for 5 years? (a) ₹5400 (b) ₹13500 (c) ₹4500 (d) ₹900
2. 2.What is the simple interest on ₹9000 at 6% per year for 3 years? (a) ₹2160 (b) ₹1620 (c) ₹540 (d) ₹10620
3. 3.₹8000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹8400 (b) ₹10000 (c) ₹2000 (d) ₹10400
4. 4.In how many years will ₹2000 earn ₹480 simple interest at 6% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
5. 5.What is the simple interest on ₹5000 at 4% per year for 2 years? (a) ₹400 (b) ₹600 (c) ₹200 (d) ₹5400
6. 6.In how many years will ₹8500 earn ₹1190 simple interest at 7% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
7. 7.What is the simple interest on ₹1000 at 7% per year for 3 years? (a) ₹280 (b) ₹210 (c) ₹1210 (d) ₹70
8. 8.The simple interest on ₹5500 for 4 years is ₹1540. What is the rate per year? (a) 6% (b) 28% (c) 8% (d) 7%
9. 9.₹1500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹1545 (b) ₹1725 (c) ₹1680 (d) ₹180
10. 10.In how many years will ₹9500 earn ₹1710 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
11. 11.What is the simple interest on ₹5500 at 9% per year for 5 years? (a) ₹7975 (b) ₹495 (c) ₹2970 (d) ₹2475
12. 12.In how many years will ₹1500 earn ₹120 simple interest at 2% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
13. 13.The simple interest on ₹2000 for 3 years is ₹600. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 30%
14. 14.What is the simple interest on ₹5500 at 11% per year for 2 years? (a) ₹1815 (b) ₹605 (c) ₹1210 (d) ₹6710
15. 15.What is the simple interest on ₹4000 at 2% per year for 5 years? (a) ₹480 (b) ₹80 (c) ₹4400 (d) ₹400
16. 16.In how many years will ₹4500 earn ₹720 simple interest at 8% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
17. 17.In how many years will ₹2000 earn ₹320 simple interest at 8% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
18. 18.In how many years will ₹3000 earn ₹1080 simple interest at 12% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
19. 19.What is the simple interest on ₹4000 at 2% per year for 2 years? (a) ₹160 (b) ₹80 (c) ₹240 (d) ₹4160
20. 20.₹3000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹4080 (b) ₹4440 (c) ₹3360 (d) ₹1080
21. 21.The simple interest on ₹1500 for 4 years is ₹660. What is the rate per year? (a) 10% (b) 12% (c) 11% (d) 44%
22. 22.₹3000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹3720 (b) ₹480 (c) ₹3240 (d) ₹3480
23. 23.The simple interest on ₹2000 for 2 years is ₹400. What is the rate per year? (a) 10% (b) 11% (c) 20% (d) 9%
24. 24.In how many years will ₹4000 earn ₹1600 simple interest at 8% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
25. 25.The simple interest on ₹3500 for 4 years is ₹980. What is the rate per year? (a) 6% (b) 7% (c) 8% (d) 28%
26. 26.In how many years will ₹8500 earn ₹1700 simple interest at 4% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
27. 27.The simple interest on ₹7500 for 2 years is ₹1050. What is the rate per year? (a) 7% (b) 6% (c) 14% (d) 8%
28. 28.The simple interest on ₹7000 for 3 years is ₹1470. What is the rate per year? (a) 21% (b) 8% (c) 6% (d) 7%
29. 29.The simple interest on ₹2500 for 3 years is ₹900. What is the rate per year? (a) 13% (b) 12% (c) 36% (d) 11%
30. 30.What is the simple interest on ₹1500 at 8% per year for 5 years? (a) ₹720 (b) ₹120 (c) ₹2100 (d) ₹600
31. 31.What is the simple interest on ₹3500 at 11% per year for 4 years? (a) ₹385 (b) ₹5040 (c) ₹1540 (d) ₹1925
32. 32.The simple interest on ₹7500 for 5 years is ₹3375. What is the rate per year? (a) 9% (b) 8% (c) 10% (d) 45%
33. 33.In how many years will ₹7500 earn ₹1650 simple interest at 11% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
34. 34.In how many years will ₹3500 earn ₹770 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
35. 35.₹9000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹12960 (b) ₹2970 (c) ₹11970 (d) ₹9990
36. 36.In how many years will ₹2500 earn ₹500 simple interest at 10% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
37. 37.₹10000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹2700 (b) ₹12700 (c) ₹10900 (d) ₹13600
38. 38.₹10000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹16000 (b) ₹11200 (c) ₹4800 (d) ₹14800
39. 39.What is the simple interest on ₹8000 at 2% per year for 4 years? (a) ₹8640 (b) ₹160 (c) ₹800 (d) ₹640
40. 40.In how many years will ₹1000 earn ₹200 simple interest at 10% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years

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