Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 26 · 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 ₹1000 at 12% per year for 2 years? (a) ₹240 (b) ₹120 (c) ₹1240 (d) ₹360
2. 2.In how many years will ₹7500 earn ₹1800 simple interest at 12% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
3. 3.₹5500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹7040 (b) ₹1540 (c) ₹7425 (d) ₹5885
4. 4.The simple interest on ₹9500 for 4 years is ₹4180. What is the rate per year? (a) 10% (b) 11% (c) 44% (d) 12%
5. 5.₹1000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹1240 (b) ₹240 (c) ₹1360 (d) ₹1120
6. 6.In how many years will ₹8000 earn ₹3600 simple interest at 9% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
7. 7.₹9500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹13680 (b) ₹10545 (c) ₹12635 (d) ₹3135
8. 8.The simple interest on ₹4000 for 2 years is ₹880. What is the rate per year? (a) 10% (b) 22% (c) 12% (d) 11%
9. 9.What is the simple interest on ₹3000 at 4% per year for 4 years? (a) ₹600 (b) ₹3480 (c) ₹480 (d) ₹120
10. 10.₹9000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹9720 (b) ₹1440 (c) ₹10440 (d) ₹11160
11. 11.What is the simple interest on ₹9500 at 3% per year for 3 years? (a) ₹10355 (b) ₹855 (c) ₹285 (d) ₹1140
12. 12.₹3500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹5180 (b) ₹1400 (c) ₹3780 (d) ₹4900
13. 13.What is the simple interest on ₹9500 at 11% per year for 4 years? (a) ₹13680 (b) ₹5225 (c) ₹1045 (d) ₹4180
14. 14.In how many years will ₹4000 earn ₹1320 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
15. 15.In how many years will ₹10000 earn ₹3200 simple interest at 8% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
16. 16.₹5000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹6200 (b) ₹5600 (c) ₹1200 (d) ₹6800
17. 17.₹8500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1360 (b) ₹9860 (c) ₹8840 (d) ₹10200
18. 18.What is the simple interest on ₹9500 at 6% per year for 2 years? (a) ₹1710 (b) ₹1140 (c) ₹570 (d) ₹10640
19. 19.In how many years will ₹1000 earn ₹550 simple interest at 11% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
20. 20.The simple interest on ₹2500 for 5 years is ₹875. What is the rate per year? (a) 35% (b) 6% (c) 8% (d) 7%
21. 21.The simple interest on ₹9000 for 4 years is ₹3600. What is the rate per year? (a) 11% (b) 10% (c) 9% (d) 40%
22. 22.In how many years will ₹4500 earn ₹540 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
23. 23.What is the simple interest on ₹10000 at 8% per year for 2 years? (a) ₹1600 (b) ₹11600 (c) ₹2400 (d) ₹800
24. 24.₹7500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹9300 (b) ₹7950 (c) ₹8850 (d) ₹1350
25. 25.In how many years will ₹1000 earn ₹500 simple interest at 10% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
26. 26.What is the simple interest on ₹7000 at 5% per year for 5 years? (a) ₹8750 (b) ₹1750 (c) ₹350 (d) ₹2100
27. 27.₹5000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹400 (b) ₹5500 (c) ₹5400 (d) ₹5100
28. 28.In how many years will ₹9500 earn ₹1520 simple interest at 8% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
29. 29.₹4000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹4320 (b) ₹4080 (c) ₹4400 (d) ₹320
30. 30.What is the simple interest on ₹4000 at 7% per year for 4 years? (a) ₹280 (b) ₹1120 (c) ₹1400 (d) ₹5120
31. 31.What is the simple interest on ₹7500 at 4% per year for 5 years? (a) ₹300 (b) ₹9000 (c) ₹1500 (d) ₹1800
32. 32.₹6500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹10400 (b) ₹7280 (c) ₹3120 (d) ₹9620
33. 33.₹1500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹1545 (b) ₹1680 (c) ₹135 (d) ₹1635
34. 34.₹4500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹810 (b) ₹5310 (c) ₹5715 (d) ₹4905
35. 35.In how many years will ₹5500 earn ₹880 simple interest at 8% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
36. 36.The simple interest on ₹10000 for 3 years is ₹1200. What is the rate per year? (a) 5% (b) 4% (c) 12% (d) 3%
37. 37.₹4500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹4635 (b) ₹5175 (c) ₹5310 (d) ₹675
38. 38.In how many years will ₹1500 earn ₹180 simple interest at 3% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
39. 39.What is the simple interest on ₹6000 at 4% per year for 2 years? (a) ₹240 (b) ₹480 (c) ₹6480 (d) ₹720
40. 40.₹7000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹10780 (b) ₹7630 (c) ₹3150 (d) ₹10150

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