How much time will it take a train that is 0.25 miles long to pass through a tunnel that is 3.5 miles long if the train's speed is 90 mph? Count the time from the moment the fore-part of it enters the tunnel and till the moment the hinder part leaves it.
Watch the video to make the hint available.
You can hide two incorrect answers
Our players say math questions are the hardest but the most effective ones! Boost your wisdom with Quest&Rest!