Question

What is the time taken by a train 650 m long travelling
at 72 kmh to cross a 750 m long platform?
A) 60 sec
(B) 65 sec
C)70 sec
(D) 75 sec

Answer 1

Answer:

Option C - 70 seconds

Step-by-step explanation:

Total distance = Distance of platform+Length of the train

=750+650 = 1400m = 1.4 km

Time = Distance÷Speed = 1.4÷72 = 0.0194hrs

1hr = 3600 sec

0.0194 hr = 0.0194×3600 = 69.84 sec = 70 sec