Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 154 · 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.₹2000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹900 (b) ₹2180 (c) ₹2900 (d) ₹3080
2. 2.The simple interest on ₹3000 for 5 years is ₹300. What is the rate per year? (a) 3% (b) 1% (c) 10% (d) 2%
3. 3.The simple interest on ₹10000 for 2 years is ₹1000. What is the rate per year? (a) 6% (b) 4% (c) 10% (d) 5%
4. 4.What is the simple interest on ₹9000 at 7% per year for 4 years? (a) ₹3150 (b) ₹2520 (c) ₹11520 (d) ₹630
5. 5.The simple interest on ₹7000 for 4 years is ₹2240. What is the rate per year? (a) 9% (b) 32% (c) 7% (d) 8%
6. 6.₹3000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹3600 (b) ₹3750 (c) ₹3150 (d) ₹600
7. 7.In how many years will ₹3500 earn ₹945 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
8. 8.In how many years will ₹9500 earn ₹1710 simple interest at 9% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
9. 9.The simple interest on ₹5000 for 2 years is ₹500. What is the rate per year? (a) 10% (b) 5% (c) 4% (d) 6%
10. 10.What is the simple interest on ₹8000 at 8% per year for 2 years? (a) ₹1280 (b) ₹9280 (c) ₹1920 (d) ₹640
11. 11.₹8000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹1440 (b) ₹9440 (c) ₹9920 (d) ₹8480
12. 12.The simple interest on ₹6500 for 3 years is ₹585. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 9%
13. 13.The simple interest on ₹2000 for 2 years is ₹440. What is the rate per year? (a) 22% (b) 10% (c) 12% (d) 11%
14. 14.What is the simple interest on ₹5500 at 2% per year for 2 years? (a) ₹330 (b) ₹5720 (c) ₹110 (d) ₹220
15. 15.₹7000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹10150 (b) ₹9520 (c) ₹2520 (d) ₹7630
16. 16.In how many years will ₹4500 earn ₹720 simple interest at 8% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
17. 17.₹7000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹1260 (b) ₹8260 (c) ₹7420 (d) ₹8680
18. 18.₹3500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹3640 (b) ₹3710 (c) ₹3570 (d) ₹140
19. 19.₹6000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹6360 (b) ₹720 (c) ₹7080 (d) ₹6720
20. 20.In how many years will ₹1500 earn ₹525 simple interest at 7% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
21. 21.The simple interest on ₹1000 for 5 years is ₹150. What is the rate per year? (a) 3% (b) 4% (c) 15% (d) 2%
22. 22.₹1500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹180 (b) ₹1740 (c) ₹1560 (d) ₹1680
23. 23.₹1000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹1100 (b) ₹1120 (c) ₹100 (d) ₹1020
24. 24.What is the simple interest on ₹7500 at 6% per year for 3 years? (a) ₹1800 (b) ₹1350 (c) ₹450 (d) ₹8850
25. 25.In how many years will ₹6500 earn ₹260 simple interest at 2% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
26. 26.The simple interest on ₹5000 for 2 years is ₹1000. What is the rate per year? (a) 9% (b) 10% (c) 11% (d) 20%
27. 27.What is the simple interest on ₹5000 at 11% per year for 4 years? (a) ₹550 (b) ₹2200 (c) ₹2750 (d) ₹7200
28. 28.What is the simple interest on ₹3500 at 2% per year for 5 years? (a) ₹3850 (b) ₹350 (c) ₹70 (d) ₹420
29. 29.What is the simple interest on ₹3500 at 10% per year for 3 years? (a) ₹1050 (b) ₹350 (c) ₹1400 (d) ₹4550
30. 30.The simple interest on ₹7500 for 5 years is ₹1875. What is the rate per year? (a) 4% (b) 6% (c) 25% (d) 5%
31. 31.In how many years will ₹4500 earn ₹405 simple interest at 3% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
32. 32.In how many years will ₹2000 earn ₹300 simple interest at 3% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
33. 33.The simple interest on ₹1000 for 5 years is ₹600. What is the rate per year? (a) 13% (b) 11% (c) 12% (d) 60%
34. 34.What is the simple interest on ₹2500 at 4% per year for 4 years? (a) ₹500 (b) ₹2900 (c) ₹100 (d) ₹400
35. 35.In how many years will ₹5000 earn ₹1750 simple interest at 7% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
36. 36.What is the simple interest on ₹4000 at 3% per year for 2 years? (a) ₹120 (b) ₹4240 (c) ₹360 (d) ₹240
37. 37.The simple interest on ₹4500 for 3 years is ₹945. What is the rate per year? (a) 7% (b) 8% (c) 21% (d) 6%
38. 38.The simple interest on ₹9500 for 3 years is ₹570. What is the rate per year? (a) 2% (b) 3% (c) 1% (d) 6%
39. 39.What is the simple interest on ₹9500 at 5% per year for 4 years? (a) ₹11400 (b) ₹475 (c) ₹2375 (d) ₹1900
40. 40.What is the simple interest on ₹1000 at 5% per year for 5 years? (a) ₹1250 (b) ₹300 (c) ₹250 (d) ₹50

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