A train runs between four stations A, B, C, and D on Monday and Tuesday. The average speed of the train for the entire journey on Monday is 50 e x t k...

A train runs between four stations A, B, C, and D on Monday and Tuesday. The average speed of the train for the entire journey on Monday is $50 ext{ km/h}$, and on Tuesday it is $62.5 ext{ km/h}$. On Monday, the train takes one hour less to cover the distance between A and B compared to Tuesday. The time taken to travel from B to C is the same on both days. However, the train takes three hours more to cover the distance between C and D on Monday than on Tuesday. The distance between A and B is $40\%$ less than the distance between C and D. The distance between B and C is $50\%$ more than the distance between A and B. Note that the train does not stop at any station between A and D.

What is the total time taken by the train to cover the distance from A to D on Tuesday?