Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 17 · 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.₹2500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹150 (b) ₹2575 (c) ₹2650 (d) ₹2725
2. 2.What is the simple interest on ₹6000 at 7% per year for 2 years? (a) ₹840 (b) ₹420 (c) ₹6840 (d) ₹1260
3. 3.₹6000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹1440 (b) ₹7920 (c) ₹6480 (d) ₹7440
4. 4.What is the simple interest on ₹7500 at 7% per year for 3 years? (a) ₹2100 (b) ₹525 (c) ₹1575 (d) ₹9075
5. 5.What is the simple interest on ₹6500 at 8% per year for 2 years? (a) ₹7540 (b) ₹520 (c) ₹1560 (d) ₹1040
6. 6.The simple interest on ₹5500 for 2 years is ₹1100. What is the rate per year? (a) 20% (b) 11% (c) 10% (d) 9%
7. 7.₹7000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹1680 (b) ₹7560 (c) ₹9240 (d) ₹8680
8. 8.₹5000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹8000 (b) ₹5600 (c) ₹3000 (d) ₹8600
9. 9.What is the simple interest on ₹1000 at 3% per year for 2 years? (a) ₹90 (b) ₹30 (c) ₹60 (d) ₹1060
10. 10.₹5000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹6200 (b) ₹5400 (c) ₹5800 (d) ₹800
11. 11.What is the simple interest on ₹8500 at 4% per year for 3 years? (a) ₹9520 (b) ₹1360 (c) ₹340 (d) ₹1020
12. 12.What is the simple interest on ₹9500 at 10% per year for 2 years? (a) ₹2850 (b) ₹950 (c) ₹11400 (d) ₹1900
13. 13.The simple interest on ₹7500 for 3 years is ₹1125. What is the rate per year? (a) 5% (b) 4% (c) 6% (d) 15%
14. 14.In how many years will ₹1000 earn ₹400 simple interest at 8% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
15. 15.₹3500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹1050 (b) ₹4760 (c) ₹4550 (d) ₹3710
16. 16.In how many years will ₹5500 earn ₹2200 simple interest at 10% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
17. 17.₹8000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹10880 (b) ₹8720 (c) ₹2880 (d) ₹11600
18. 18.In how many years will ₹2000 earn ₹600 simple interest at 6% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
19. 19.₹5500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹5665 (b) ₹825 (c) ₹6325 (d) ₹6490
20. 20.In how many years will ₹4500 earn ₹540 simple interest at 3% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
21. 21.₹7500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹11625 (b) ₹12450 (c) ₹8325 (d) ₹4125
22. 22.In how many years will ₹6500 earn ₹2600 simple interest at 10% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
23. 23.The simple interest on ₹10000 for 2 years is ₹1200. What is the rate per year? (a) 5% (b) 12% (c) 6% (d) 7%
24. 24.In how many years will ₹10000 earn ₹1200 simple interest at 3% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
25. 25.The simple interest on ₹5000 for 4 years is ₹2000. What is the rate per year? (a) 40% (b) 10% (c) 9% (d) 11%
26. 26.What is the simple interest on ₹2500 at 4% per year for 2 years? (a) ₹200 (b) ₹2700 (c) ₹100 (d) ₹300
27. 27.₹1500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1680 (b) ₹1560 (c) ₹180 (d) ₹1740
28. 28.What is the simple interest on ₹2000 at 12% per year for 2 years? (a) ₹240 (b) ₹720 (c) ₹480 (d) ₹2480
29. 29.In how many years will ₹1000 earn ₹120 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
30. 30.₹5500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹5610 (b) ₹220 (c) ₹5720 (d) ₹5830
31. 31.What is the simple interest on ₹9500 at 8% per year for 3 years? (a) ₹760 (b) ₹2280 (c) ₹3040 (d) ₹11780
32. 32.₹6000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹6120 (b) ₹6480 (c) ₹360 (d) ₹6360
33. 33.The simple interest on ₹2000 for 4 years is ₹400. What is the rate per year? (a) 20% (b) 5% (c) 4% (d) 6%
34. 34.What is the simple interest on ₹3000 at 4% per year for 3 years? (a) ₹360 (b) ₹3360 (c) ₹120 (d) ₹480
35. 35.What is the simple interest on ₹9000 at 12% per year for 5 years? (a) ₹1080 (b) ₹5400 (c) ₹14400 (d) ₹6480
36. 36.What is the simple interest on ₹4500 at 6% per year for 2 years? (a) ₹5040 (b) ₹270 (c) ₹540 (d) ₹810
37. 37.The simple interest on ₹3500 for 3 years is ₹525. What is the rate per year? (a) 15% (b) 6% (c) 5% (d) 4%
38. 38.₹4500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹5580 (b) ₹5850 (c) ₹1080 (d) ₹4770
39. 39.What is the simple interest on ₹5500 at 6% per year for 3 years? (a) ₹330 (b) ₹6490 (c) ₹1320 (d) ₹990
40. 40.What is the simple interest on ₹10000 at 11% per year for 2 years? (a) ₹3300 (b) ₹1100 (c) ₹2200 (d) ₹12200

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