Given below are two quantities named A and B. Based on the given information, you have to determine the relationship between the two quantities. You should use the given data and your knowledge of Mathematics to choose between the possible answers.

Quantity A: Aman goes to the office at a speed of 50 km/h and reaches 10 minutes late. The next day he goes at a speed of 75 km/h and reaches the office 10 minutes early. Find the distance from his home to the office. 

Quantity B: 40 km