2 hours after a freight train leaves New York a passenger train leaves the same station travelling in the same direction at an average speed of 60 miles/hour. After travelling 4 hrs the passenger train overtakes the freight train. The average speed (in miles/hour) of the freight train was?
A. 30
B. 58
C. 60
D. 40
E. 35

• 60*4= (4+2)*x
  => x= 240/6
  => x=40
  
  Ans. (D) 40 Miles/Hour
• 10 years agoHelpfull: Yes(3) No(1)
• ans 40 miles/hour
  distance traveled by freight train in 6 hours(2+4)=distance traveled by passenger train in 4 hours
  6*y=4*60
  y=40
• 9 years agoHelpfull: Yes(2) No(1)