Question

A train 200 m long is running at a speed of 42km /hr . How will it take a cross a 80m long tunnel??

Answer 1

Step-by-step explanation:

Speed = 42 km/h or 42000 metres , Distance / Train length =

42,000 metres ÷ 3600 seconds =.11.666 metres per second Train = 280 metres long ÷ 11.666 = 24 seconds

Answer,

The Time required is 24 seconds the 280 metre train will take to pass the man while the trains spèed is 42 km/h.