Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 162 · 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 ₹1000 earn ₹200 simple interest at 4% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
2. 2.₹8500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹2125 (b) ₹11050 (c) ₹8925 (d) ₹10625
3. 3.In how many years will ₹5500 earn ₹1815 simple interest at 11% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
4. 4.₹4500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹6390 (b) ₹1575 (c) ₹4815 (d) ₹6075
5. 5.In how many years will ₹5500 earn ₹2750 simple interest at 10% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
6. 6.₹6000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹6540 (b) ₹7080 (c) ₹7620 (d) ₹1080
7. 7.What is the simple interest on ₹9500 at 8% per year for 2 years? (a) ₹760 (b) ₹1520 (c) ₹2280 (d) ₹11020
8. 8.The simple interest on ₹9500 for 3 years is ₹1425. What is the rate per year? (a) 6% (b) 15% (c) 5% (d) 4%
9. 9.The simple interest on ₹1000 for 4 years is ₹280. What is the rate per year? (a) 8% (b) 28% (c) 6% (d) 7%
10. 10.What is the simple interest on ₹3500 at 12% per year for 2 years? (a) ₹1260 (b) ₹420 (c) ₹840 (d) ₹4340
11. 11.What is the simple interest on ₹4000 at 11% per year for 5 years? (a) ₹6200 (b) ₹440 (c) ₹2200 (d) ₹2640
12. 12.₹1500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹2175 (b) ₹675 (c) ₹1635 (d) ₹2310
13. 13.The simple interest on ₹8500 for 4 years is ₹1360. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 16%
14. 14.The simple interest on ₹4000 for 5 years is ₹2200. What is the rate per year? (a) 12% (b) 55% (c) 11% (d) 10%
15. 15.The simple interest on ₹2000 for 2 years is ₹80. What is the rate per year? (a) 2% (b) 1% (c) 3% (d) 4%
16. 16.What is the simple interest on ₹7000 at 8% per year for 3 years? (a) ₹2240 (b) ₹560 (c) ₹1680 (d) ₹8680
17. 17.The simple interest on ₹4500 for 2 years is ₹900. What is the rate per year? (a) 11% (b) 10% (c) 20% (d) 9%
18. 18.The simple interest on ₹9000 for 5 years is ₹900. What is the rate per year? (a) 3% (b) 10% (c) 2% (d) 1%
19. 19.₹4000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹960 (b) ₹5440 (c) ₹4480 (d) ₹4960
20. 20.In how many years will ₹2000 earn ₹200 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
21. 21.In how many years will ₹3000 earn ₹300 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
22. 22.In how many years will ₹9000 earn ₹4320 simple interest at 12% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
23. 23.The simple interest on ₹9000 for 4 years is ₹2520. What is the rate per year? (a) 6% (b) 28% (c) 7% (d) 8%
24. 24.In how many years will ₹4500 earn ₹2025 simple interest at 9% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
25. 25.₹5000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹5600 (b) ₹1200 (c) ₹6200 (d) ₹6800
26. 26.What is the simple interest on ₹4500 at 11% per year for 2 years? (a) ₹990 (b) ₹495 (c) ₹5490 (d) ₹1485
27. 27.₹4500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹5985 (b) ₹990 (c) ₹4995 (d) ₹5490
28. 28.₹1500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹1620 (b) ₹1680 (c) ₹1560 (d) ₹120
29. 29.What is the simple interest on ₹8000 at 2% per year for 2 years? (a) ₹8320 (b) ₹480 (c) ₹160 (d) ₹320
30. 30.₹4000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹4360 (b) ₹5080 (c) ₹5440 (d) ₹1080
31. 31.In how many years will ₹2500 earn ₹625 simple interest at 5% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
32. 32.₹3000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹3360 (b) ₹4800 (c) ₹1440 (d) ₹4440
33. 33.In how many years will ₹4000 earn ₹960 simple interest at 6% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
34. 34.₹4000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹4160 (b) ₹640 (c) ₹4640 (d) ₹4800
35. 35.The simple interest on ₹2500 for 5 years is ₹750. What is the rate per year? (a) 5% (b) 6% (c) 7% (d) 30%
36. 36.The simple interest on ₹1500 for 3 years is ₹225. What is the rate per year? (a) 4% (b) 6% (c) 15% (d) 5%
37. 37.₹3500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹3850 (b) ₹3570 (c) ₹3920 (d) ₹350
38. 38.What is the simple interest on ₹2000 at 5% per year for 5 years? (a) ₹100 (b) ₹2500 (c) ₹600 (d) ₹500
39. 39.₹4000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹5440 (b) ₹5800 (c) ₹1440 (d) ₹4360
40. 40.What is the simple interest on ₹1000 at 4% per year for 2 years? (a) ₹80 (b) ₹1080 (c) ₹40 (d) ₹120

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