Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 394 · 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 ₹10000 earn ₹2400 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
2. 2.In how many years will ₹4000 earn ₹1440 simple interest at 9% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
3. 3.₹4500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹6120 (b) ₹1620 (c) ₹6660 (d) ₹5040
4. 4.₹8500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹13600 (b) ₹9350 (c) ₹4250 (d) ₹12750
5. 5.The simple interest on ₹4500 for 4 years is ₹1620. What is the rate per year? (a) 9% (b) 10% (c) 8% (d) 36%
6. 6.What is the simple interest on ₹5500 at 4% per year for 3 years? (a) ₹880 (b) ₹6160 (c) ₹660 (d) ₹220
7. 7.The simple interest on ₹2500 for 4 years is ₹1100. What is the rate per year? (a) 10% (b) 44% (c) 12% (d) 11%
8. 8.The simple interest on ₹1000 for 4 years is ₹160. What is the rate per year? (a) 16% (b) 3% (c) 4% (d) 5%
9. 9.₹9000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹10620 (b) ₹1350 (c) ₹9270 (d) ₹10350
10. 10.In how many years will ₹6500 earn ₹1430 simple interest at 11% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
11. 11.What is the simple interest on ₹4500 at 5% per year for 2 years? (a) ₹4950 (b) ₹675 (c) ₹450 (d) ₹225
12. 12.₹5000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹5100 (b) ₹5400 (c) ₹300 (d) ₹5300
13. 13.In how many years will ₹7000 earn ₹2100 simple interest at 10% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
14. 14.The simple interest on ₹6500 for 2 years is ₹260. What is the rate per year? (a) 1% (b) 2% (c) 4% (d) 3%
15. 15.What is the simple interest on ₹1000 at 9% per year for 4 years? (a) ₹360 (b) ₹450 (c) ₹90 (d) ₹1360
16. 16.What is the simple interest on ₹5000 at 7% per year for 3 years? (a) ₹6050 (b) ₹350 (c) ₹1050 (d) ₹1400
17. 17.₹6000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹7440 (b) ₹960 (c) ₹6960 (d) ₹6480
18. 18.₹2500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹3025 (b) ₹525 (c) ₹2675 (d) ₹3200
19. 19.In how many years will ₹4000 earn ₹240 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
20. 20.In how many years will ₹9000 earn ₹1620 simple interest at 6% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
21. 21.₹10000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹11100 (b) ₹3300 (c) ₹13300 (d) ₹14400
22. 22.What is the simple interest on ₹10000 at 4% per year for 2 years? (a) ₹400 (b) ₹1200 (c) ₹10800 (d) ₹800
23. 23.What is the simple interest on ₹8500 at 3% per year for 5 years? (a) ₹9775 (b) ₹255 (c) ₹1275 (d) ₹1530
24. 24.The simple interest on ₹2000 for 2 years is ₹80. What is the rate per year? (a) 4% (b) 1% (c) 2% (d) 3%
25. 25.The simple interest on ₹8500 for 2 years is ₹680. What is the rate per year? (a) 5% (b) 4% (c) 8% (d) 3%
26. 26.The simple interest on ₹6500 for 2 years is ₹780. What is the rate per year? (a) 5% (b) 12% (c) 6% (d) 7%
27. 27.In how many years will ₹9500 earn ₹1520 simple interest at 4% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
28. 28.What is the simple interest on ₹2000 at 5% per year for 5 years? (a) ₹2500 (b) ₹500 (c) ₹100 (d) ₹600
29. 29.What is the simple interest on ₹1000 at 8% per year for 2 years? (a) ₹1160 (b) ₹240 (c) ₹80 (d) ₹160
30. 30.What is the simple interest on ₹1000 at 2% per year for 3 years? (a) ₹60 (b) ₹1060 (c) ₹20 (d) ₹80
31. 31.The simple interest on ₹4500 for 5 years is ₹2025. What is the rate per year? (a) 8% (b) 45% (c) 10% (d) 9%
32. 32.₹9000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹11520 (b) ₹10890 (c) ₹9630 (d) ₹1890
33. 33.What is the simple interest on ₹5500 at 9% per year for 4 years? (a) ₹1980 (b) ₹7480 (c) ₹2475 (d) ₹495
34. 34.In how many years will ₹4000 earn ₹640 simple interest at 4% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
35. 35.In how many years will ₹1000 earn ₹120 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
36. 36.What is the simple interest on ₹3500 at 12% per year for 2 years? (a) ₹1260 (b) ₹420 (c) ₹840 (d) ₹4340
37. 37.What is the simple interest on ₹8000 at 6% per year for 4 years? (a) ₹9920 (b) ₹1920 (c) ₹2400 (d) ₹480
38. 38.In how many years will ₹7500 earn ₹1500 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
39. 39.In how many years will ₹2500 earn ₹300 simple interest at 4% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
40. 40.The simple interest on ₹3000 for 4 years is ₹840. What is the rate per year? (a) 6% (b) 7% (c) 8% (d) 28%

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