Question

a train 100m long takes 6 seconds to cross a man walking at 5 kilometre per hour in a direction opposite to that of train the speed of the train is​

Answer 1

speed the train is (100/6)m/s

• 100/6m/s=100/6*18/5km/h=60km/h

• since both are in opposite directions then speed of( train - man)
• hence the actual speed is (60-15)km/h i.e 45km/h