Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 821 · 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.₹5000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹5450 (b) ₹7250 (c) ₹1800 (d) ₹6800
2. 2.The simple interest on ₹6500 for 5 years is ₹1300. What is the rate per year? (a) 4% (b) 5% (c) 3% (d) 20%
3. 3.₹8500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹9775 (b) ₹8755 (c) ₹1275 (d) ₹10030
4. 4.What is the simple interest on ₹1500 at 8% per year for 3 years? (a) ₹120 (b) ₹480 (c) ₹1860 (d) ₹360
5. 5.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
6. 6.What is the simple interest on ₹8500 at 8% per year for 4 years? (a) ₹680 (b) ₹11220 (c) ₹3400 (d) ₹2720
7. 7.What is the simple interest on ₹4500 at 3% per year for 3 years? (a) ₹540 (b) ₹405 (c) ₹135 (d) ₹4905
8. 8.In how many years will ₹5500 earn ₹1320 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
9. 9.₹2000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹440 (b) ₹2660 (c) ₹2220 (d) ₹2440
10. 10.₹5000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹5800 (b) ₹800 (c) ₹6200 (d) ₹5400
11. 11.₹9500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹2280 (b) ₹10070 (c) ₹11780 (d) ₹12350
12. 12.The simple interest on ₹1500 for 2 years is ₹300. What is the rate per year? (a) 9% (b) 10% (c) 20% (d) 11%
13. 13.In how many years will ₹5000 earn ₹800 simple interest at 8% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
14. 14.What is the simple interest on ₹8000 at 10% per year for 5 years? (a) ₹4000 (b) ₹4800 (c) ₹12000 (d) ₹800
15. 15.In how many years will ₹5000 earn ₹1600 simple interest at 8% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
16. 16.What is the simple interest on ₹2000 at 2% per year for 2 years? (a) ₹40 (b) ₹2080 (c) ₹120 (d) ₹80
17. 17.₹2000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹2060 (b) ₹2300 (c) ₹300 (d) ₹2360
18. 18.₹1000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹100 (b) ₹1150 (c) ₹1050 (d) ₹1100
19. 19.The simple interest on ₹9500 for 5 years is ₹5225. What is the rate per year? (a) 11% (b) 10% (c) 12% (d) 55%
20. 20.In how many years will ₹2000 earn ₹800 simple interest at 8% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
21. 21.₹8500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹765 (b) ₹9520 (c) ₹9265 (d) ₹8755
22. 22.In how many years will ₹4000 earn ₹1800 simple interest at 9% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
23. 23.₹9000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹2700 (b) ₹9540 (c) ₹12240 (d) ₹11700
24. 24.₹9500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹2660 (b) ₹12825 (c) ₹12160 (d) ₹10165
25. 25.In how many years will ₹5500 earn ₹770 simple interest at 7% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
26. 26.What is the simple interest on ₹4000 at 9% per year for 2 years? (a) ₹720 (b) ₹4720 (c) ₹1080 (d) ₹360
27. 27.In how many years will ₹4500 earn ₹1800 simple interest at 8% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
28. 28.What is the simple interest on ₹4500 at 11% per year for 3 years? (a) ₹5985 (b) ₹1485 (c) ₹1980 (d) ₹495
29. 29.₹3000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹3090 (b) ₹3270 (c) ₹3180 (d) ₹180
30. 30.In how many years will ₹2500 earn ₹900 simple interest at 12% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
31. 31.What is the simple interest on ₹3500 at 4% per year for 2 years? (a) ₹420 (b) ₹140 (c) ₹280 (d) ₹3780
32. 32.What is the simple interest on ₹9000 at 5% per year for 3 years? (a) ₹1800 (b) ₹1350 (c) ₹10350 (d) ₹450
33. 33.The simple interest on ₹7000 for 2 years is ₹1540. What is the rate per year? (a) 12% (b) 10% (c) 22% (d) 11%
34. 34.What is the simple interest on ₹3000 at 8% per year for 2 years? (a) ₹720 (b) ₹240 (c) ₹480 (d) ₹3480
35. 35.What is the simple interest on ₹4500 at 4% per year for 2 years? (a) ₹540 (b) ₹180 (c) ₹4860 (d) ₹360
36. 36.The simple interest on ₹3500 for 3 years is ₹1155. What is the rate per year? (a) 33% (b) 10% (c) 12% (d) 11%
37. 37.₹4500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹4905 (b) ₹6525 (c) ₹1620 (d) ₹6120
38. 38.What is the simple interest on ₹9000 at 7% per year for 4 years? (a) ₹2520 (b) ₹3150 (c) ₹11520 (d) ₹630
39. 39.The simple interest on ₹9500 for 4 years is ₹1140. What is the rate per year? (a) 12% (b) 2% (c) 4% (d) 3%
40. 40.The simple interest on ₹2000 for 5 years is ₹1200. What is the rate per year? (a) 11% (b) 12% (c) 60% (d) 13%

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