Two trains A and B of length 
and 4 
are travelling into a tunnel of length L in parallel tracks from opposite directions with velocities 108 km h -1 and 72 km h -1 , respectively. If train A take 35 s less time than train B to cross the tunnel then, length L of tunnel is: (Given L = 60 
)
Text Solution
Verified by ExpertsThe correct answer is:
C
The time taken for A
The time taken for B
It is given that B takes more time than A. So,
Therefore,
L = 1800 m.
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