Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 228 · 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.What is the simple interest on ₹1000 at 12% per year for 5 years? (a) ₹720 (b) ₹600 (c) ₹1600 (d) ₹120
2. 2.What is the simple interest on ₹6000 at 4% per year for 2 years? (a) ₹480 (b) ₹720 (c) ₹6480 (d) ₹240
3. 3.₹7500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹8175 (b) ₹2700 (c) ₹10875 (d) ₹10200
4. 4.₹2000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹3200 (b) ₹1200 (c) ₹3440 (d) ₹2240
5. 5.In how many years will ₹3000 earn ₹360 simple interest at 4% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
6. 6.In how many years will ₹2500 earn ₹1125 simple interest at 9% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
7. 7.₹9500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹10260 (b) ₹1520 (c) ₹11780 (d) ₹11020
8. 8.What is the simple interest on ₹5500 at 5% per year for 2 years? (a) ₹550 (b) ₹6050 (c) ₹275 (d) ₹825
9. 9.₹9000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹9810 (b) ₹540 (c) ₹9540 (d) ₹9270
10. 10.In how many years will ₹9500 earn ₹1140 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
11. 11.The simple interest on ₹6000 for 5 years is ₹2100. What is the rate per year? (a) 35% (b) 6% (c) 8% (d) 7%
12. 12.In how many years will ₹8000 earn ₹1200 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
13. 13.The simple interest on ₹4000 for 2 years is ₹400. What is the rate per year? (a) 4% (b) 6% (c) 5% (d) 10%
14. 14.The simple interest on ₹7500 for 4 years is ₹3000. What is the rate per year? (a) 10% (b) 9% (c) 40% (d) 11%
15. 15.The simple interest on ₹5500 for 4 years is ₹1320. What is the rate per year? (a) 24% (b) 5% (c) 7% (d) 6%
16. 16.The simple interest on ₹1500 for 2 years is ₹60. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 1%
17. 17.In how many years will ₹9000 earn ₹1440 simple interest at 8% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
18. 18.The simple interest on ₹2000 for 5 years is ₹500. What is the rate per year? (a) 6% (b) 25% (c) 5% (d) 4%
19. 19.The simple interest on ₹5500 for 4 years is ₹1540. What is the rate per year? (a) 8% (b) 28% (c) 6% (d) 7%
20. 20.The simple interest on ₹9000 for 3 years is ₹1620. What is the rate per year? (a) 5% (b) 7% (c) 6% (d) 18%
21. 21.What is the simple interest on ₹3500 at 2% per year for 2 years? (a) ₹70 (b) ₹3640 (c) ₹210 (d) ₹140
22. 22.The simple interest on ₹9000 for 4 years is ₹3240. What is the rate per year? (a) 8% (b) 9% (c) 10% (d) 36%
23. 23.The simple interest on ₹3500 for 3 years is ₹1050. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 30%
24. 24.₹5000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹6350 (b) ₹5450 (c) ₹5900 (d) ₹900
25. 25.What is the simple interest on ₹1000 at 9% per year for 5 years? (a) ₹450 (b) ₹1450 (c) ₹540 (d) ₹90
26. 26.The simple interest on ₹10000 for 3 years is ₹1800. What is the rate per year? (a) 7% (b) 6% (c) 5% (d) 18%
27. 27.₹6000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹6300 (b) ₹6900 (c) ₹7200 (d) ₹900
28. 28.The simple interest on ₹9000 for 4 years is ₹720. What is the rate per year? (a) 1% (b) 2% (c) 3% (d) 8%
29. 29.In how many years will ₹5000 earn ₹2400 simple interest at 12% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
30. 30.₹4500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹5310 (b) ₹540 (c) ₹4770 (d) ₹5040
31. 31.The simple interest on ₹5000 for 3 years is ₹1650. What is the rate per year? (a) 10% (b) 33% (c) 12% (d) 11%
32. 32.The simple interest on ₹4000 for 2 years is ₹480. What is the rate per year? (a) 6% (b) 5% (c) 12% (d) 7%
33. 33.₹7500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹8550 (b) ₹1050 (c) ₹9075 (d) ₹8025
34. 34.What is the simple interest on ₹2500 at 12% per year for 5 years? (a) ₹4000 (b) ₹1500 (c) ₹1800 (d) ₹300
35. 35.In how many years will ₹5000 earn ₹1750 simple interest at 7% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
36. 36.What is the simple interest on ₹3000 at 10% per year for 4 years? (a) ₹4200 (b) ₹1500 (c) ₹1200 (d) ₹300
37. 37.₹6500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹2340 (b) ₹7280 (c) ₹9620 (d) ₹8840
38. 38.What is the simple interest on ₹5000 at 6% per year for 4 years? (a) ₹1200 (b) ₹1500 (c) ₹300 (d) ₹6200
39. 39.₹3500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹3570 (b) ₹280 (c) ₹3850 (d) ₹3780
40. 40.What is the simple interest on ₹2000 at 3% per year for 3 years? (a) ₹60 (b) ₹240 (c) ₹2180 (d) ₹180

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