Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 292 · 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 ₹1500 for 4 years is ₹420. What is the rate per year? (a) 28% (b) 6% (c) 7% (d) 8%
2. 2.The simple interest on ₹3000 for 5 years is ₹1350. What is the rate per year? (a) 45% (b) 9% (c) 8% (d) 10%
3. 3.What is the simple interest on ₹10000 at 11% per year for 3 years? (a) ₹3300 (b) ₹13300 (c) ₹1100 (d) ₹4400
4. 4.₹4000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹5200 (b) ₹960 (c) ₹4240 (d) ₹4960
5. 5.₹10000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹10400 (b) ₹1200 (c) ₹11600 (d) ₹11200
6. 6.The simple interest on ₹4500 for 2 years is ₹810. What is the rate per year? (a) 10% (b) 18% (c) 8% (d) 9%
7. 7.₹2500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹3750 (b) ₹2750 (c) ₹1000 (d) ₹3500
8. 8.What is the simple interest on ₹8000 at 7% per year for 3 years? (a) ₹1680 (b) ₹9680 (c) ₹2240 (d) ₹560
9. 9.The simple interest on ₹8000 for 2 years is ₹1600. What is the rate per year? (a) 20% (b) 11% (c) 9% (d) 10%
10. 10.What is the simple interest on ₹2000 at 11% per year for 5 years? (a) ₹1320 (b) ₹3100 (c) ₹220 (d) ₹1100
11. 11.₹9000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1980 (b) ₹11970 (c) ₹9990 (d) ₹10980
12. 12.The simple interest on ₹9000 for 3 years is ₹3240. What is the rate per year? (a) 13% (b) 36% (c) 12% (d) 11%
13. 13.₹3500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹4060 (b) ₹3780 (c) ₹560 (d) ₹4340
14. 14.In how many years will ₹5000 earn ₹750 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
15. 15.What is the simple interest on ₹7000 at 4% per year for 2 years? (a) ₹560 (b) ₹840 (c) ₹280 (d) ₹7560
16. 16.The simple interest on ₹3000 for 2 years is ₹240. What is the rate per year? (a) 5% (b) 3% (c) 8% (d) 4%
17. 17.In how many years will ₹2000 earn ₹720 simple interest at 12% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
18. 18.In how many years will ₹10000 earn ₹5000 simple interest at 10% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
19. 19.The simple interest on ₹8000 for 4 years is ₹1600. What is the rate per year? (a) 6% (b) 5% (c) 20% (d) 4%
20. 20.What is the simple interest on ₹8500 at 12% per year for 5 years? (a) ₹5100 (b) ₹6120 (c) ₹13600 (d) ₹1020
21. 21.In how many years will ₹6500 earn ₹260 simple interest at 2% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
22. 22.₹2000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹2120 (b) ₹2240 (c) ₹2360 (d) ₹240
23. 23.The simple interest on ₹6000 for 2 years is ₹240. What is the rate per year? (a) 3% (b) 1% (c) 4% (d) 2%
24. 24.What is the simple interest on ₹8500 at 2% per year for 2 years? (a) ₹8840 (b) ₹170 (c) ₹510 (d) ₹340
25. 25.₹7500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹10200 (b) ₹8175 (c) ₹2700 (d) ₹10875
26. 26.The simple interest on ₹2000 for 4 years is ₹240. What is the rate per year? (a) 12% (b) 2% (c) 4% (d) 3%
27. 27.In how many years will ₹6500 earn ₹975 simple interest at 3% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
28. 28.What is the simple interest on ₹3500 at 2% per year for 2 years? (a) ₹140 (b) ₹210 (c) ₹3640 (d) ₹70
29. 29.₹6000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹6600 (b) ₹1200 (c) ₹7200 (d) ₹7800
30. 30.₹9500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹10545 (b) ₹11590 (c) ₹2090 (d) ₹12635
31. 31.The simple interest on ₹4500 for 5 years is ₹2250. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 50%
32. 32.What is the simple interest on ₹1500 at 7% per year for 3 years? (a) ₹1815 (b) ₹420 (c) ₹105 (d) ₹315
33. 33.₹2000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹2900 (b) ₹720 (c) ₹2720 (d) ₹2180
34. 34.In how many years will ₹3500 earn ₹1260 simple interest at 9% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
35. 35.₹7000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹7210 (b) ₹8260 (c) ₹8050 (d) ₹1050
36. 36.In how many years will ₹3000 earn ₹360 simple interest at 3% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
37. 37.What is the simple interest on ₹6000 at 7% per year for 5 years? (a) ₹2100 (b) ₹8100 (c) ₹2520 (d) ₹420
38. 38.In how many years will ₹4500 earn ₹900 simple interest at 4% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
39. 39.The simple interest on ₹7500 for 4 years is ₹1800. What is the rate per year? (a) 24% (b) 6% (c) 5% (d) 7%
40. 40.In how many years will ₹2500 earn ₹600 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years

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