Question

A train 200 metres long and travelling at a speed of 60 km/h will cross a
(2014)
(B) 6 sec (C) 12 sec (D) 20 sec
pole in
(A) 5 sec​

Answer 1

Step-by-step explanation:

Speed = Distance/Time

Time=Distance/Speed

here distance=train length

train length=200m i.e 0.2km

speed=60km/hr

time=0.2km

________

60 km/HR

2/10/60

2*60/10

which is equal to 12 sec