Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 65 · 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 ₹3500 at 10% per year for 2 years? (a) ₹1050 (b) ₹700 (c) ₹4200 (d) ₹350
2. 2.What is the simple interest on ₹4500 at 11% per year for 5 years? (a) ₹495 (b) ₹6975 (c) ₹2475 (d) ₹2970
3. 3.₹5500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹5995 (b) ₹1485 (c) ₹6985 (d) ₹7480
4. 4.What is the simple interest on ₹4000 at 12% per year for 3 years? (a) ₹1920 (b) ₹5440 (c) ₹1440 (d) ₹480
5. 5.What is the simple interest on ₹5500 at 6% per year for 2 years? (a) ₹660 (b) ₹990 (c) ₹6160 (d) ₹330
6. 6.What is the simple interest on ₹7000 at 12% per year for 2 years? (a) ₹1680 (b) ₹2520 (c) ₹8680 (d) ₹840
7. 7.In how many years will ₹7000 earn ₹840 simple interest at 6% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
8. 8.In how many years will ₹10000 earn ₹600 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
9. 9.The simple interest on ₹3500 for 4 years is ₹1120. What is the rate per year? (a) 7% (b) 32% (c) 8% (d) 9%
10. 10.₹5500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹7260 (b) ₹7700 (c) ₹1760 (d) ₹5940
11. 11.₹9500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹10640 (b) ₹1140 (c) ₹9785 (d) ₹10925
12. 12.The simple interest on ₹3500 for 2 years is ₹210. What is the rate per year? (a) 6% (b) 4% (c) 2% (d) 3%
13. 13.₹3500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹840 (b) ₹4760 (c) ₹4340 (d) ₹3920
14. 14.What is the simple interest on ₹1500 at 6% per year for 3 years? (a) ₹270 (b) ₹360 (c) ₹90 (d) ₹1770
15. 15.What is the simple interest on ₹6000 at 12% per year for 5 years? (a) ₹4320 (b) ₹9600 (c) ₹3600 (d) ₹720
16. 16.What is the simple interest on ₹2000 at 2% per year for 4 years? (a) ₹40 (b) ₹2160 (c) ₹200 (d) ₹160
17. 17.In how many years will ₹6000 earn ₹1800 simple interest at 10% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
18. 18.What is the simple interest on ₹5000 at 2% per year for 2 years? (a) ₹5200 (b) ₹300 (c) ₹200 (d) ₹100
19. 19.What is the simple interest on ₹3500 at 11% per year for 3 years? (a) ₹1155 (b) ₹4655 (c) ₹385 (d) ₹1540
20. 20.In how many years will ₹8000 earn ₹2880 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
21. 21.In how many years will ₹8500 earn ₹5100 simple interest at 12% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
22. 22.In how many years will ₹3000 earn ₹180 simple interest at 2% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
23. 23.₹8500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1020 (b) ₹8840 (c) ₹9520 (d) ₹9860
24. 24.In how many years will ₹8500 earn ₹765 simple interest at 3% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
25. 25.The simple interest on ₹6500 for 4 years is ₹520. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 8%
26. 26.In how many years will ₹9500 earn ₹1520 simple interest at 4% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
27. 27.What is the simple interest on ₹4500 at 10% per year for 4 years? (a) ₹450 (b) ₹2250 (c) ₹1800 (d) ₹6300
28. 28.In how many years will ₹5500 earn ₹660 simple interest at 4% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
29. 29.₹1500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹120 (b) ₹1560 (c) ₹1620 (d) ₹1680
30. 30.₹8000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹8640 (b) ₹480 (c) ₹8160 (d) ₹8480
31. 31.In how many years will ₹8500 earn ₹2040 simple interest at 6% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
32. 32.₹8000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹2880 (b) ₹10880 (c) ₹8960 (d) ₹11840
33. 33.What is the simple interest on ₹7000 at 11% per year for 5 years? (a) ₹10850 (b) ₹770 (c) ₹3850 (d) ₹4620
34. 34.₹3000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹3750 (b) ₹750 (c) ₹3150 (d) ₹3900
35. 35.₹1000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹1090 (b) ₹1120 (c) ₹1030 (d) ₹90
36. 36.What is the simple interest on ₹8000 at 2% per year for 3 years? (a) ₹8480 (b) ₹160 (c) ₹480 (d) ₹640
37. 37.₹4500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹4725 (b) ₹5625 (c) ₹5400 (d) ₹900
38. 38.The simple interest on ₹5500 for 5 years is ₹2475. What is the rate per year? (a) 10% (b) 45% (c) 9% (d) 8%
39. 39.₹10000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹10900 (b) ₹14500 (c) ₹4500 (d) ₹15400
40. 40.What is the simple interest on ₹10000 at 3% per year for 3 years? (a) ₹10900 (b) ₹300 (c) ₹1200 (d) ₹900

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