A train took 6 minutes to travel between two stations 4 miles apart. What was the speed of the train in miles per hour?
সমাধান
সঠিক উত্তর: Option C
the train goes in 6 minutes 4 miles the train goes in 1 minutes 4/6 miles the train goes in 1 hr or 60 minutes 4 X 60/6 miles=40 miles