Train A passes a lamp post in 9 seconds and 700 meter long platfrom in – McqOptions

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1.	Train A passes a lamp post in 9 seconds and 700 meter long platfrom in 30 seconds. How much time will the same train take to cross a platfrom which is 800 meters long? (in seconds)
A.	32
B.	31
C.	33
D.	30
Answer» B. 31

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