Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 463 · 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.The simple interest on ₹2500 for 4 years is ₹900. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 36%
2. 2.The simple interest on ₹8500 for 4 years is ₹1700. What is the rate per year? (a) 20% (b) 4% (c) 5% (d) 6%
3. 3.₹1500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹1860 (b) ₹1680 (c) ₹2040 (d) ₹360
4. 4.What is the simple interest on ₹9500 at 4% per year for 4 years? (a) ₹1520 (b) ₹1900 (c) ₹380 (d) ₹11020
5. 5.₹5000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹2000 (b) ₹7400 (c) ₹5400 (d) ₹7000
6. 6.What is the simple interest on ₹3000 at 11% per year for 4 years? (a) ₹330 (b) ₹4320 (c) ₹1650 (d) ₹1320
7. 7.In how many years will ₹3000 earn ₹1200 simple interest at 10% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
8. 8.₹4000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹4280 (b) ₹560 (c) ₹4560 (d) ₹4840
9. 9.What is the simple interest on ₹6500 at 8% per year for 5 years? (a) ₹520 (b) ₹2600 (c) ₹3120 (d) ₹9100
10. 10.₹4500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹4905 (b) ₹810 (c) ₹5715 (d) ₹5310
11. 11.In how many years will ₹4500 earn ₹900 simple interest at 5% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
12. 12.The simple interest on ₹10000 for 2 years is ₹2000. What is the rate per year? (a) 10% (b) 11% (c) 9% (d) 20%
13. 13.The simple interest on ₹7000 for 5 years is ₹1400. What is the rate per year? (a) 20% (b) 5% (c) 3% (d) 4%
14. 14.The simple interest on ₹6500 for 5 years is ₹2925. What is the rate per year? (a) 8% (b) 45% (c) 9% (d) 10%
15. 15.In how many years will ₹8500 earn ₹1870 simple interest at 11% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
16. 16.₹5000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹5350 (b) ₹1400 (c) ₹6750 (d) ₹6400
17. 17.The simple interest on ₹5000 for 3 years is ₹600. What is the rate per year? (a) 12% (b) 5% (c) 3% (d) 4%
18. 18.₹7500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹9750 (b) ₹8250 (c) ₹9000 (d) ₹1500
19. 19.The simple interest on ₹3500 for 4 years is ₹1400. What is the rate per year? (a) 9% (b) 10% (c) 40% (d) 11%
20. 20.₹9500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹11210 (b) ₹10925 (c) ₹9785 (d) ₹1425
21. 21.₹7000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹10850 (b) ₹7770 (c) ₹10080 (d) ₹3080
22. 22.The simple interest on ₹4000 for 2 years is ₹160. What is the rate per year? (a) 2% (b) 3% (c) 1% (d) 4%
23. 23.The simple interest on ₹5500 for 5 years is ₹3025. What is the rate per year? (a) 10% (b) 55% (c) 11% (d) 12%
24. 24.The simple interest on ₹7500 for 3 years is ₹1125. What is the rate per year? (a) 4% (b) 6% (c) 5% (d) 15%
25. 25.₹6500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹6890 (b) ₹6760 (c) ₹260 (d) ₹6630
26. 26.The simple interest on ₹9000 for 2 years is ₹1080. What is the rate per year? (a) 5% (b) 12% (c) 7% (d) 6%
27. 27.What is the simple interest on ₹7000 at 3% per year for 5 years? (a) ₹1050 (b) ₹1260 (c) ₹210 (d) ₹8050
28. 28.In how many years will ₹1000 earn ₹60 simple interest at 3% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
29. 29.What is the simple interest on ₹2500 at 10% per year for 3 years? (a) ₹1000 (b) ₹750 (c) ₹250 (d) ₹3250
30. 30.What is the simple interest on ₹8000 at 8% per year for 5 years? (a) ₹640 (b) ₹3840 (c) ₹11200 (d) ₹3200
31. 31.The simple interest on ₹2500 for 2 years is ₹200. What is the rate per year? (a) 5% (b) 8% (c) 3% (d) 4%
32. 32.What is the simple interest on ₹5500 at 7% per year for 4 years? (a) ₹7040 (b) ₹1540 (c) ₹385 (d) ₹1925
33. 33.What is the simple interest on ₹7000 at 7% per year for 3 years? (a) ₹490 (b) ₹8470 (c) ₹1470 (d) ₹1960
34. 34.In how many years will ₹8000 earn ₹1920 simple interest at 6% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
35. 35.₹4500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹5310 (b) ₹5175 (c) ₹4635 (d) ₹675
36. 36.The simple interest on ₹4000 for 2 years is ₹880. What is the rate per year? (a) 11% (b) 22% (c) 12% (d) 10%
37. 37.What is the simple interest on ₹8500 at 12% per year for 5 years? (a) ₹5100 (b) ₹6120 (c) ₹1020 (d) ₹13600
38. 38.₹2500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹2575 (b) ₹2800 (c) ₹2875 (d) ₹300
39. 39.In how many years will ₹7500 earn ₹2475 simple interest at 11% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
40. 40.₹10000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹6000 (b) ₹16000 (c) ₹11200 (d) ₹17200

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