Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 811 · 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 ₹6500 at 9% per year for 2 years? (a) ₹7670 (b) ₹1170 (c) ₹1755 (d) ₹585
2. 2.The simple interest on ₹8000 for 2 years is ₹1600. What is the rate per year? (a) 10% (b) 9% (c) 20% (d) 11%
3. 3.In how many years will ₹2500 earn ₹250 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
4. 4.₹7500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹10200 (b) ₹9525 (c) ₹2025 (d) ₹8175
5. 5.In how many years will ₹6000 earn ₹480 simple interest at 4% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
6. 6.The simple interest on ₹5500 for 5 years is ₹1375. What is the rate per year? (a) 5% (b) 6% (c) 4% (d) 25%
7. 7.In how many years will ₹2500 earn ₹550 simple interest at 11% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
8. 8.What is the simple interest on ₹9500 at 3% per year for 4 years? (a) ₹10640 (b) ₹285 (c) ₹1425 (d) ₹1140
9. 9.What is the simple interest on ₹5000 at 12% per year for 5 years? (a) ₹600 (b) ₹3600 (c) ₹3000 (d) ₹8000
10. 10.₹5000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1500 (b) ₹5500 (c) ₹6500 (d) ₹7000
11. 11.What is the simple interest on ₹2500 at 3% per year for 2 years? (a) ₹150 (b) ₹2650 (c) ₹225 (d) ₹75
12. 12.₹10000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹3600 (b) ₹14800 (c) ₹11200 (d) ₹13600
13. 13.₹10000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹2400 (b) ₹13200 (c) ₹10800 (d) ₹12400
14. 14.What is the simple interest on ₹2000 at 10% per year for 4 years? (a) ₹800 (b) ₹2800 (c) ₹1000 (d) ₹200
15. 15.What is the simple interest on ₹5000 at 12% per year for 3 years? (a) ₹2400 (b) ₹6800 (c) ₹1800 (d) ₹600
16. 16.₹4000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹4800 (b) ₹4200 (c) ₹5000 (d) ₹800
17. 17.What is the simple interest on ₹4500 at 4% per year for 2 years? (a) ₹180 (b) ₹360 (c) ₹4860 (d) ₹540
18. 18.What is the simple interest on ₹2000 at 2% per year for 5 years? (a) ₹200 (b) ₹40 (c) ₹240 (d) ₹2200
19. 19.In how many years will ₹2500 earn ₹525 simple interest at 7% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
20. 20.In how many years will ₹8500 earn ₹2805 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
21. 21.₹6000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹7080 (b) ₹720 (c) ₹6360 (d) ₹6720
22. 22.The simple interest on ₹3000 for 5 years is ₹750. What is the rate per year? (a) 5% (b) 6% (c) 4% (d) 25%
23. 23.What is the simple interest on ₹7500 at 8% per year for 2 years? (a) ₹1200 (b) ₹8700 (c) ₹1800 (d) ₹600
24. 24.What is the simple interest on ₹1000 at 12% per year for 2 years? (a) ₹360 (b) ₹1240 (c) ₹240 (d) ₹120
25. 25.What is the simple interest on ₹10000 at 11% per year for 4 years? (a) ₹1100 (b) ₹4400 (c) ₹14400 (d) ₹5500
26. 26.What is the simple interest on ₹9500 at 3% per year for 5 years? (a) ₹1710 (b) ₹10925 (c) ₹1425 (d) ₹285
27. 27.What is the simple interest on ₹9500 at 2% per year for 3 years? (a) ₹570 (b) ₹10070 (c) ₹190 (d) ₹760
28. 28.In how many years will ₹4000 earn ₹400 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
29. 29.What is the simple interest on ₹1000 at 2% per year for 2 years? (a) ₹1040 (b) ₹20 (c) ₹60 (d) ₹40
30. 30.What is the simple interest on ₹8000 at 6% per year for 2 years? (a) ₹8960 (b) ₹1440 (c) ₹960 (d) ₹480
31. 31.What is the simple interest on ₹4000 at 10% per year for 2 years? (a) ₹400 (b) ₹1200 (c) ₹800 (d) ₹4800
32. 32.In how many years will ₹2500 earn ₹900 simple interest at 12% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
33. 33.In how many years will ₹10000 earn ₹1000 simple interest at 2% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
34. 34.₹1000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹1110 (b) ₹1440 (c) ₹1330 (d) ₹330
35. 35.What is the simple interest on ₹2000 at 3% per year for 4 years? (a) ₹240 (b) ₹2240 (c) ₹60 (d) ₹300
36. 36.The simple interest on ₹8000 for 2 years is ₹640. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 8%
37. 37.In how many years will ₹5000 earn ₹1800 simple interest at 12% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
38. 38.₹1500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹1590 (b) ₹1560 (c) ₹60 (d) ₹1530
39. 39.The simple interest on ₹5500 for 5 years is ₹550. What is the rate per year? (a) 10% (b) 2% (c) 3% (d) 1%
40. 40.In how many years will ₹4500 earn ₹1980 simple interest at 11% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years

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