Train A passes a lamp post in 3 seconds and 900 meter long platform i…

Question

Train A passes a lamp post in 3 seconds and 900 meter long platform in 30 seconds. How much time will the same train take to cross a platform which is 800 meters long? (in seconds)

Accepted Answer

Option D. 27 seconds. Answer & Solution Answer: Option D Solution: & Let the length of train be x m & When a train crosses a light & post in 3 second the distance covered & = length of train & speed of train = x/3 & Distance covered in crossing a & 900 meter platfrom in 30 seconds & = Length of platf…