Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 163 · 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 ₹8000 earn ₹2000 simple interest at 5% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
2. 2.What is the simple interest on ₹2000 at 6% per year for 4 years? (a) ₹600 (b) ₹480 (c) ₹120 (d) ₹2480
3. 3.In how many years will ₹5500 earn ₹1320 simple interest at 6% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
4. 4.The simple interest on ₹4500 for 5 years is ₹675. What is the rate per year? (a) 2% (b) 15% (c) 4% (d) 3%
5. 5.The simple interest on ₹1000 for 2 years is ₹80. What is the rate per year? (a) 5% (b) 3% (c) 8% (d) 4%
6. 6.The simple interest on ₹5500 for 2 years is ₹770. What is the rate per year? (a) 14% (b) 7% (c) 8% (d) 6%
7. 7.The simple interest on ₹2000 for 4 years is ₹560. What is the rate per year? (a) 8% (b) 28% (c) 6% (d) 7%
8. 8.The simple interest on ₹1000 for 2 years is ₹100. What is the rate per year? (a) 6% (b) 4% (c) 10% (d) 5%
9. 9.In how many years will ₹3500 earn ₹1400 simple interest at 8% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
10. 10.What is the simple interest on ₹4000 at 9% per year for 4 years? (a) ₹1440 (b) ₹5440 (c) ₹360 (d) ₹1800
11. 11.₹1000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹1120 (b) ₹480 (c) ₹1480 (d) ₹1600
12. 12.₹5000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹6800 (b) ₹5600 (c) ₹7400 (d) ₹1800
13. 13.What is the simple interest on ₹3500 at 8% per year for 2 years? (a) ₹4060 (b) ₹280 (c) ₹560 (d) ₹840
14. 14.The simple interest on ₹7000 for 4 years is ₹1120. What is the rate per year? (a) 5% (b) 4% (c) 3% (d) 16%
15. 15.What is the simple interest on ₹9000 at 7% per year for 4 years? (a) ₹3150 (b) ₹2520 (c) ₹11520 (d) ₹630
16. 16.In how many years will ₹4500 earn ₹180 simple interest at 2% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
17. 17.In how many years will ₹6000 earn ₹1800 simple interest at 6% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
18. 18.The simple interest on ₹1000 for 5 years is ₹450. What is the rate per year? (a) 10% (b) 8% (c) 45% (d) 9%
19. 19.What is the simple interest on ₹5000 at 8% per year for 2 years? (a) ₹800 (b) ₹1200 (c) ₹400 (d) ₹5800
20. 20.In how many years will ₹6500 earn ₹1430 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
21. 21.The simple interest on ₹1500 for 3 years is ₹90. What is the rate per year? (a) 6% (b) 1% (c) 2% (d) 3%
22. 22.In how many years will ₹7000 earn ₹420 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
23. 23.What is the simple interest on ₹8000 at 6% per year for 4 years? (a) ₹9920 (b) ₹2400 (c) ₹480 (d) ₹1920
24. 24.₹9000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹10890 (b) ₹9630 (c) ₹1890 (d) ₹11520
25. 25.₹8500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹1275 (b) ₹9775 (c) ₹10030 (d) ₹8755
26. 26.The simple interest on ₹4500 for 2 years is ₹1080. What is the rate per year? (a) 12% (b) 11% (c) 24% (d) 13%
27. 27.₹4000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹4600 (b) ₹4200 (c) ₹600 (d) ₹4800
28. 28.What is the simple interest on ₹6500 at 3% per year for 4 years? (a) ₹780 (b) ₹975 (c) ₹7280 (d) ₹195
29. 29.What is the simple interest on ₹9500 at 2% per year for 5 years? (a) ₹950 (b) ₹190 (c) ₹1140 (d) ₹10450
30. 30.₹5000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1350 (b) ₹6800 (c) ₹6350 (d) ₹5450
31. 31.₹7000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹11620 (b) ₹3850 (c) ₹10850 (d) ₹7770
32. 32.The simple interest on ₹1500 for 2 years is ₹210. What is the rate per year? (a) 7% (b) 8% (c) 14% (d) 6%
33. 33.₹8500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹8925 (b) ₹10625 (c) ₹10200 (d) ₹1700
34. 34.In how many years will ₹6000 earn ₹840 simple interest at 7% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
35. 35.What is the simple interest on ₹7500 at 7% per year for 2 years? (a) ₹1050 (b) ₹8550 (c) ₹1575 (d) ₹525
36. 36.What is the simple interest on ₹9000 at 5% per year for 2 years? (a) ₹9900 (b) ₹900 (c) ₹1350 (d) ₹450
37. 37.In how many years will ₹2000 earn ₹720 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
38. 38.What is the simple interest on ₹3500 at 7% per year for 5 years? (a) ₹4725 (b) ₹245 (c) ₹1470 (d) ₹1225
39. 39.What is the simple interest on ₹10000 at 8% per year for 5 years? (a) ₹14000 (b) ₹800 (c) ₹4000 (d) ₹4800
40. 40.₹5500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1485 (b) ₹5995 (c) ₹6985 (d) ₹7480

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