"Train A passes a lamp post in 9 seconds and 700 meter long platform in 30 seconds. How much
Channel: Doubtnut
Date: 2020-04-05

"Train A passes a lamp post in 9 seconds and 700
 meter long platform in 30 seconds. How much time will the same train take to
 cross a platform which is 800 meters long? (in second)
`32`
b. `31`
b. `33`
d. `30`"