Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 788 · 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 ₹1000 for 4 years is ₹120. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 12%
2. 2.₹4000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹6000 (b) ₹4400 (c) ₹6400 (d) ₹2000
3. 3.The simple interest on ₹7000 for 2 years is ₹280. What is the rate per year? (a) 3% (b) 4% (c) 1% (d) 2%
4. 4.₹9000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹1080 (b) ₹10350 (c) ₹9270 (d) ₹10080
5. 5.The simple interest on ₹1500 for 2 years is ₹90. What is the rate per year? (a) 2% (b) 3% (c) 6% (d) 4%
6. 6.In how many years will ₹7500 earn ₹3600 simple interest at 12% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
7. 7.What is the simple interest on ₹5000 at 3% per year for 4 years? (a) ₹600 (b) ₹5600 (c) ₹150 (d) ₹750
8. 8.What is the simple interest on ₹3500 at 2% per year for 2 years? (a) ₹140 (b) ₹3640 (c) ₹210 (d) ₹70
9. 9.In how many years will ₹7000 earn ₹840 simple interest at 4% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
10. 10.What is the simple interest on ₹2000 at 2% per year for 2 years? (a) ₹80 (b) ₹2080 (c) ₹120 (d) ₹40
11. 11.The simple interest on ₹1500 for 3 years is ₹450. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 30%
12. 12.What is the simple interest on ₹1000 at 7% per year for 5 years? (a) ₹70 (b) ₹350 (c) ₹420 (d) ₹1350
13. 13.In how many years will ₹4000 earn ₹240 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
14. 14.In how many years will ₹4500 earn ₹1350 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
15. 15.₹10000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹13300 (b) ₹12200 (c) ₹11100 (d) ₹2200
16. 16.₹5500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1540 (b) ₹7040 (c) ₹5885 (d) ₹7425
17. 17.₹1500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1560 (b) ₹1680 (c) ₹180 (d) ₹1740
18. 18.What is the simple interest on ₹9500 at 3% per year for 5 years? (a) ₹10925 (b) ₹1425 (c) ₹285 (d) ₹1710
19. 19.The simple interest on ₹4000 for 4 years is ₹1600. What is the rate per year? (a) 11% (b) 10% (c) 40% (d) 9%
20. 20.The simple interest on ₹1000 for 4 years is ₹440. What is the rate per year? (a) 11% (b) 12% (c) 10% (d) 44%
21. 21.What is the simple interest on ₹9000 at 2% per year for 5 years? (a) ₹1080 (b) ₹900 (c) ₹180 (d) ₹9900
22. 22.In how many years will ₹6500 earn ₹520 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
23. 23.What is the simple interest on ₹3000 at 12% per year for 4 years? (a) ₹360 (b) ₹4440 (c) ₹1800 (d) ₹1440
24. 24.What is the simple interest on ₹6500 at 3% per year for 4 years? (a) ₹195 (b) ₹780 (c) ₹7280 (d) ₹975
25. 25.What is the simple interest on ₹1000 at 4% per year for 4 years? (a) ₹40 (b) ₹160 (c) ₹1160 (d) ₹200
26. 26.The simple interest on ₹1000 for 3 years is ₹240. What is the rate per year? (a) 9% (b) 24% (c) 8% (d) 7%
27. 27.What is the simple interest on ₹6000 at 3% per year for 5 years? (a) ₹900 (b) ₹6900 (c) ₹1080 (d) ₹180
28. 28.The simple interest on ₹1500 for 5 years is ₹600. What is the rate per year? (a) 8% (b) 9% (c) 7% (d) 40%
29. 29.In how many years will ₹2500 earn ₹300 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
30. 30.What is the simple interest on ₹8000 at 10% per year for 5 years? (a) ₹12000 (b) ₹800 (c) ₹4000 (d) ₹4800
31. 31.In how many years will ₹6500 earn ₹1560 simple interest at 12% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
32. 32.₹10000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹13000 (b) ₹11000 (c) ₹14000 (d) ₹3000
33. 33.₹9000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹540 (b) ₹9810 (c) ₹9540 (d) ₹9270
34. 34.₹8500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹14110 (b) ₹9435 (c) ₹13175 (d) ₹4675
35. 35.What is the simple interest on ₹6000 at 6% per year for 3 years? (a) ₹7080 (b) ₹360 (c) ₹1080 (d) ₹1440
36. 36.₹8500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹3060 (b) ₹9265 (c) ₹11560 (d) ₹12325
37. 37.What is the simple interest on ₹2500 at 12% per year for 5 years? (a) ₹300 (b) ₹1800 (c) ₹1500 (d) ₹4000
38. 38.What is the simple interest on ₹3000 at 6% per year for 4 years? (a) ₹720 (b) ₹3720 (c) ₹900 (d) ₹180
39. 39.In how many years will ₹8000 earn ₹2800 simple interest at 7% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
40. 40.What is the simple interest on ₹9500 at 2% per year for 2 years? (a) ₹570 (b) ₹9880 (c) ₹380 (d) ₹190

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