Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 196 · 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 6% per year for 2 years? (a) ₹180 (b) ₹120 (c) ₹1120 (d) ₹60
2. 2.In how many years will ₹10000 earn ₹5000 simple interest at 10% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
3. 3.The simple interest on ₹9500 for 2 years is ₹1900. What is the rate per year? (a) 9% (b) 11% (c) 20% (d) 10%
4. 4.₹3500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹280 (b) ₹3780 (c) ₹3570 (d) ₹3850
5. 5.The simple interest on ₹7000 for 2 years is ₹1540. What is the rate per year? (a) 11% (b) 22% (c) 12% (d) 10%
6. 6.The simple interest on ₹6500 for 4 years is ₹3120. What is the rate per year? (a) 13% (b) 11% (c) 48% (d) 12%
7. 7.₹9500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹2660 (b) ₹12160 (c) ₹10165 (d) ₹12825
8. 8.The simple interest on ₹7000 for 2 years is ₹280. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 4%
9. 9.In how many years will ₹10000 earn ₹3200 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
10. 10.The simple interest on ₹3000 for 2 years is ₹120. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 4%
11. 11.₹10000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹10800 (b) ₹10200 (c) ₹11000 (d) ₹800
12. 12.The simple interest on ₹7000 for 2 years is ₹560. What is the rate per year? (a) 4% (b) 8% (c) 3% (d) 5%
13. 13.What is the simple interest on ₹8500 at 7% per year for 2 years? (a) ₹1190 (b) ₹9690 (c) ₹1785 (d) ₹595
14. 14.₹9500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹10545 (b) ₹5225 (c) ₹14725 (d) ₹15770
15. 15.The simple interest on ₹8500 for 2 years is ₹1870. What is the rate per year? (a) 22% (b) 10% (c) 12% (d) 11%
16. 16.What is the simple interest on ₹5000 at 7% per year for 3 years? (a) ₹1400 (b) ₹350 (c) ₹1050 (d) ₹6050
17. 17.In how many years will ₹3500 earn ₹630 simple interest at 9% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
18. 18.₹8500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹10200 (b) ₹8925 (c) ₹10625 (d) ₹1700
19. 19.₹6000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹6720 (b) ₹720 (c) ₹6180 (d) ₹6900
20. 20.What is the simple interest on ₹10000 at 12% per year for 3 years? (a) ₹1200 (b) ₹13600 (c) ₹4800 (d) ₹3600
21. 21.₹7000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹1050 (b) ₹8050 (c) ₹7350 (d) ₹8400
22. 22.₹5500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹6160 (b) ₹660 (c) ₹5830 (d) ₹6490
23. 23.The simple interest on ₹1000 for 3 years is ₹360. What is the rate per year? (a) 11% (b) 36% (c) 12% (d) 13%
24. 24.₹1500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹1530 (b) ₹120 (c) ₹1650 (d) ₹1620
25. 25.What is the simple interest on ₹3000 at 12% per year for 4 years? (a) ₹4440 (b) ₹1800 (c) ₹360 (d) ₹1440
26. 26.In how many years will ₹7000 earn ₹420 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
27. 27.The simple interest on ₹3000 for 2 years is ₹180. What is the rate per year? (a) 6% (b) 4% (c) 3% (d) 2%
28. 28.The simple interest on ₹8500 for 2 years is ₹340. What is the rate per year? (a) 3% (b) 1% (c) 4% (d) 2%
29. 29.₹8500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹2040 (b) ₹11220 (c) ₹10540 (d) ₹9180
30. 30.₹5000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1050 (b) ₹6050 (c) ₹5350 (d) ₹6400
31. 31.₹3000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹3180 (b) ₹3060 (c) ₹3120 (d) ₹120
32. 32.In how many years will ₹1000 earn ₹150 simple interest at 3% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
33. 33.₹9500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹12540 (b) ₹10260 (c) ₹13300 (d) ₹3040
34. 34.In how many years will ₹7000 earn ₹560 simple interest at 2% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
35. 35.₹2500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹2800 (b) ₹225 (c) ₹2575 (d) ₹2725
36. 36.The simple interest on ₹7500 for 5 years is ₹1125. What is the rate per year? (a) 15% (b) 4% (c) 2% (d) 3%
37. 37.The simple interest on ₹7500 for 4 years is ₹1500. What is the rate per year? (a) 6% (b) 5% (c) 4% (d) 20%
38. 38.What is the simple interest on ₹2500 at 9% per year for 2 years? (a) ₹675 (b) ₹450 (c) ₹2950 (d) ₹225
39. 39.₹5500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹6820 (b) ₹6160 (c) ₹7480 (d) ₹1320
40. 40.In how many years will ₹10000 earn ₹1600 simple interest at 4% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years

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