Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 923 · 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.₹4000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹4360 (b) ₹240 (c) ₹4120 (d) ₹4240
2. 2.The simple interest on ₹2500 for 3 years is ₹150. What is the rate per year? (a) 6% (b) 3% (c) 1% (d) 2%
3. 3.In how many years will ₹1500 earn ₹120 simple interest at 2% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
4. 4.In how many years will ₹3500 earn ₹630 simple interest at 6% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
5. 5.The simple interest on ₹6500 for 2 years is ₹650. What is the rate per year? (a) 10% (b) 6% (c) 4% (d) 5%
6. 6.What is the simple interest on ₹8500 at 4% per year for 2 years? (a) ₹680 (b) ₹9180 (c) ₹1020 (d) ₹340
7. 7.In how many years will ₹3000 earn ₹1350 simple interest at 9% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
8. 8.₹8000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1600 (b) ₹8800 (c) ₹9600 (d) ₹10400
9. 9.The simple interest on ₹6000 for 4 years is ₹1920. What is the rate per year? (a) 7% (b) 8% (c) 9% (d) 32%
10. 10.In how many years will ₹9500 earn ₹3325 simple interest at 7% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
11. 11.What is the simple interest on ₹9500 at 3% per year for 4 years? (a) ₹10640 (b) ₹285 (c) ₹1425 (d) ₹1140
12. 12.₹1000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹1120 (b) ₹1080 (c) ₹80 (d) ₹1040
13. 13.In how many years will ₹2000 earn ₹1100 simple interest at 11% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
14. 14.The simple interest on ₹8000 for 2 years is ₹1600. What is the rate per year? (a) 10% (b) 11% (c) 9% (d) 20%
15. 15.₹3000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹3300 (b) ₹3060 (c) ₹3360 (d) ₹300
16. 16.What is the simple interest on ₹5000 at 6% per year for 2 years? (a) ₹300 (b) ₹900 (c) ₹600 (d) ₹5600
17. 17.What is the simple interest on ₹5500 at 8% per year for 5 years? (a) ₹2200 (b) ₹7700 (c) ₹2640 (d) ₹440
18. 18.What is the simple interest on ₹1000 at 5% per year for 2 years? (a) ₹100 (b) ₹1100 (c) ₹150 (d) ₹50
19. 19.₹10000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹10900 (b) ₹1800 (c) ₹12700 (d) ₹11800
20. 20.In how many years will ₹7000 earn ₹840 simple interest at 4% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
21. 21.What is the simple interest on ₹9000 at 2% per year for 4 years? (a) ₹180 (b) ₹9720 (c) ₹900 (d) ₹720
22. 22.In how many years will ₹6000 earn ₹2100 simple interest at 7% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
23. 23.The simple interest on ₹1000 for 5 years is ₹300. What is the rate per year? (a) 6% (b) 7% (c) 30% (d) 5%
24. 24.In how many years will ₹9000 earn ₹1350 simple interest at 3% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
25. 25.What is the simple interest on ₹1000 at 3% per year for 2 years? (a) ₹1060 (b) ₹90 (c) ₹30 (d) ₹60
26. 26.The simple interest on ₹1500 for 2 years is ₹120. What is the rate per year? (a) 4% (b) 3% (c) 5% (d) 8%
27. 27.In how many years will ₹9500 earn ₹2375 simple interest at 5% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
28. 28.The simple interest on ₹3500 for 4 years is ₹1400. What is the rate per year? (a) 11% (b) 9% (c) 10% (d) 40%
29. 29.What is the simple interest on ₹2500 at 5% per year for 2 years? (a) ₹375 (b) ₹125 (c) ₹250 (d) ₹2750
30. 30.In how many years will ₹7500 earn ₹3600 simple interest at 12% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
31. 31.What is the simple interest on ₹7500 at 10% per year for 3 years? (a) ₹3000 (b) ₹2250 (c) ₹750 (d) ₹9750
32. 32.In how many years will ₹5000 earn ₹1800 simple interest at 12% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
33. 33.In how many years will ₹6000 earn ₹540 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
34. 34.In how many years will ₹4500 earn ₹1260 simple interest at 7% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
35. 35.What is the simple interest on ₹9000 at 10% per year for 2 years? (a) ₹1800 (b) ₹2700 (c) ₹900 (d) ₹10800
36. 36.The simple interest on ₹1000 for 5 years is ₹550. What is the rate per year? (a) 55% (b) 12% (c) 11% (d) 10%
37. 37.What is the simple interest on ₹7000 at 6% per year for 2 years? (a) ₹7840 (b) ₹420 (c) ₹1260 (d) ₹840
38. 38.₹8500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹11560 (b) ₹12580 (c) ₹3060 (d) ₹9520
39. 39.What is the simple interest on ₹4500 at 5% per year for 3 years? (a) ₹5175 (b) ₹900 (c) ₹225 (d) ₹675
40. 40.₹9500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹12160 (b) ₹10165 (c) ₹2660 (d) ₹12825

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