Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 478 · 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.In how many years will ₹2000 earn ₹440 simple interest at 11% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
2. 2.₹7500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹3750 (b) ₹8250 (c) ₹12000 (d) ₹11250
3. 3.The simple interest on ₹1500 for 5 years is ₹825. What is the rate per year? (a) 10% (b) 55% (c) 11% (d) 12%
4. 4.₹6000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹720 (b) ₹6720 (c) ₹6960 (d) ₹6240
5. 5.What is the simple interest on ₹9000 at 7% per year for 5 years? (a) ₹3150 (b) ₹3780 (c) ₹12150 (d) ₹630
6. 6.What is the simple interest on ₹7500 at 12% per year for 4 years? (a) ₹11100 (b) ₹4500 (c) ₹900 (d) ₹3600
7. 7.What is the simple interest on ₹8000 at 4% per year for 4 years? (a) ₹1600 (b) ₹9280 (c) ₹320 (d) ₹1280
8. 8.The simple interest on ₹4000 for 5 years is ₹1600. What is the rate per year? (a) 9% (b) 7% (c) 40% (d) 8%
9. 9.What is the simple interest on ₹4500 at 2% per year for 3 years? (a) ₹4770 (b) ₹270 (c) ₹360 (d) ₹90
10. 10.What is the simple interest on ₹7000 at 6% per year for 3 years? (a) ₹8260 (b) ₹420 (c) ₹1260 (d) ₹1680
11. 11.The simple interest on ₹1500 for 5 years is ₹600. What is the rate per year? (a) 7% (b) 40% (c) 9% (d) 8%
12. 12.In how many years will ₹6000 earn ₹900 simple interest at 5% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
13. 13.₹2500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹1375 (b) ₹2775 (c) ₹3875 (d) ₹4150
14. 14.What is the simple interest on ₹8500 at 7% per year for 2 years? (a) ₹1785 (b) ₹1190 (c) ₹595 (d) ₹9690
15. 15.What is the simple interest on ₹6500 at 2% per year for 3 years? (a) ₹520 (b) ₹390 (c) ₹6890 (d) ₹130
16. 16.₹10000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹4000 (b) ₹11000 (c) ₹15000 (d) ₹14000
17. 17.In how many years will ₹1000 earn ₹100 simple interest at 5% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
18. 18.What is the simple interest on ₹4500 at 10% per year for 5 years? (a) ₹2700 (b) ₹6750 (c) ₹2250 (d) ₹450
19. 19.In how many years will ₹1000 earn ₹150 simple interest at 5% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
20. 20.The simple interest on ₹2000 for 2 years is ₹280. What is the rate per year? (a) 8% (b) 7% (c) 6% (d) 14%
21. 21.₹6000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹1980 (b) ₹8640 (c) ₹7980 (d) ₹6660
22. 22.What is the simple interest on ₹1000 at 6% per year for 5 years? (a) ₹300 (b) ₹60 (c) ₹360 (d) ₹1300
23. 23.What is the simple interest on ₹7000 at 11% per year for 5 years? (a) ₹10850 (b) ₹4620 (c) ₹770 (d) ₹3850
24. 24.₹10000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹2400 (b) ₹10800 (c) ₹13200 (d) ₹12400
25. 25.The simple interest on ₹3000 for 2 years is ₹420. What is the rate per year? (a) 8% (b) 7% (c) 6% (d) 14%
26. 26.In how many years will ₹2500 earn ₹225 simple interest at 3% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
27. 27.₹2000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹2060 (b) ₹2240 (c) ₹180 (d) ₹2180
28. 28.₹6000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1800 (b) ₹7800 (c) ₹8400 (d) ₹6600
29. 29.What is the simple interest on ₹7500 at 3% per year for 4 years? (a) ₹8400 (b) ₹225 (c) ₹900 (d) ₹1125
30. 30.What is the simple interest on ₹9000 at 10% per year for 4 years? (a) ₹3600 (b) ₹4500 (c) ₹12600 (d) ₹900
31. 31.₹3000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹1080 (b) ₹4350 (c) ₹4080 (d) ₹3270
32. 32.What is the simple interest on ₹7500 at 11% per year for 2 years? (a) ₹9150 (b) ₹2475 (c) ₹1650 (d) ₹825
33. 33.The simple interest on ₹3500 for 3 years is ₹525. What is the rate per year? (a) 15% (b) 6% (c) 5% (d) 4%
34. 34.In how many years will ₹1000 earn ₹440 simple interest at 11% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
35. 35.What is the simple interest on ₹5500 at 4% per year for 4 years? (a) ₹220 (b) ₹880 (c) ₹6380 (d) ₹1100
36. 36.The simple interest on ₹2000 for 3 years is ₹240. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 12%
37. 37.In how many years will ₹3000 earn ₹1500 simple interest at 10% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
38. 38.In how many years will ₹2500 earn ₹300 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
39. 39.What is the simple interest on ₹6500 at 6% per year for 2 years? (a) ₹780 (b) ₹1170 (c) ₹7280 (d) ₹390
40. 40.What is the simple interest on ₹9500 at 3% per year for 4 years? (a) ₹285 (b) ₹10640 (c) ₹1140 (d) ₹1425

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