Answer:
Follows are the description of the given point:
Explanation:
Please find the correct question in the attached file.
In point A: 
An order of 5 items shall be placed in a total of 6 different ways. 
(w for cars and ts and tricycles to be used) 

In point B: 
2 waggons so more tyres would be required if they ordered any more waggons. 
