Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 535 · 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 ₹1500 at 2% per year for 4 years? (a) ₹30 (b) ₹1620 (c) ₹120 (d) ₹150
2. 2.What is the simple interest on ₹2500 at 12% per year for 3 years? (a) ₹3400 (b) ₹1200 (c) ₹300 (d) ₹900
3. 3.In how many years will ₹4000 earn ₹1400 simple interest at 7% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
4. 4.₹9500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹760 (b) ₹10640 (c) ₹9880 (d) ₹10260
5. 5.₹1500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹300 (b) ₹1875 (c) ₹1575 (d) ₹1800
6. 6.What is the simple interest on ₹7500 at 3% per year for 4 years? (a) ₹1125 (b) ₹8400 (c) ₹225 (d) ₹900
7. 7.₹8500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹11050 (b) ₹10540 (c) ₹2040 (d) ₹9010
8. 8.The simple interest on ₹10000 for 5 years is ₹2000. What is the rate per year? (a) 4% (b) 20% (c) 3% (d) 5%
9. 9.In how many years will ₹4500 earn ₹1800 simple interest at 10% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
10. 10.₹9000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹9270 (b) ₹810 (c) ₹10080 (d) ₹9810
11. 11.₹1500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹1635 (b) ₹2175 (c) ₹2310 (d) ₹675
12. 12.What is the simple interest on ₹8500 at 4% per year for 2 years? (a) ₹1020 (b) ₹340 (c) ₹9180 (d) ₹680
13. 13.In how many years will ₹2000 earn ₹800 simple interest at 10% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
14. 14.₹2000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹2140 (b) ₹2560 (c) ₹2700 (d) ₹560
15. 15.In how many years will ₹3000 earn ₹420 simple interest at 7% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
16. 16.In how many years will ₹5500 earn ₹660 simple interest at 4% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
17. 17.In how many years will ₹7000 earn ₹1120 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
18. 18.The simple interest on ₹10000 for 5 years is ₹4500. What is the rate per year? (a) 9% (b) 45% (c) 8% (d) 10%
19. 19.In how many years will ₹1500 earn ₹540 simple interest at 12% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
20. 20.What is the simple interest on ₹1500 at 5% per year for 4 years? (a) ₹1800 (b) ₹300 (c) ₹75 (d) ₹375
21. 21.₹5000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1000 (b) ₹5200 (c) ₹6200 (d) ₹6000
22. 22.The simple interest on ₹7000 for 3 years is ₹2310. What is the rate per year? (a) 10% (b) 12% (c) 11% (d) 33%
23. 23.₹2500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹2950 (b) ₹2575 (c) ₹375 (d) ₹2875
24. 24.₹7000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹8050 (b) ₹7210 (c) ₹1050 (d) ₹8260
25. 25.What is the simple interest on ₹1000 at 9% per year for 4 years? (a) ₹1360 (b) ₹450 (c) ₹90 (d) ₹360
26. 26.₹9500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹10260 (b) ₹3040 (c) ₹13300 (d) ₹12540
27. 27.₹3500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹3780 (b) ₹3710 (c) ₹210 (d) ₹3570
28. 28.What is the simple interest on ₹10000 at 10% per year for 5 years? (a) ₹1000 (b) ₹5000 (c) ₹15000 (d) ₹6000
29. 29.In how many years will ₹3500 earn ₹840 simple interest at 6% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
30. 30.What is the simple interest on ₹2500 at 8% per year for 5 years? (a) ₹200 (b) ₹1200 (c) ₹1000 (d) ₹3500
31. 31.What is the simple interest on ₹8500 at 4% per year for 3 years? (a) ₹1020 (b) ₹1360 (c) ₹9520 (d) ₹340
32. 32.The simple interest on ₹5500 for 3 years is ₹1650. What is the rate per year? (a) 30% (b) 10% (c) 11% (d) 9%
33. 33.What is the simple interest on ₹6000 at 12% per year for 3 years? (a) ₹720 (b) ₹2880 (c) ₹2160 (d) ₹8160
34. 34.The simple interest on ₹4000 for 5 years is ₹1400. What is the rate per year? (a) 35% (b) 7% (c) 6% (d) 8%
35. 35.The simple interest on ₹2000 for 3 years is ₹420. What is the rate per year? (a) 6% (b) 7% (c) 21% (d) 8%
36. 36.The simple interest on ₹3000 for 4 years is ₹720. What is the rate per year? (a) 5% (b) 24% (c) 6% (d) 7%
37. 37.In how many years will ₹5500 earn ₹220 simple interest at 2% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
38. 38.₹1500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹225 (b) ₹1800 (c) ₹1575 (d) ₹1725
39. 39.₹5000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹5750 (b) ₹500 (c) ₹5500 (d) ₹5250
40. 40.The simple interest on ₹3000 for 2 years is ₹300. What is the rate per year? (a) 10% (b) 4% (c) 6% (d) 5%

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