Question

Two train 121m and 99m in length are running in opposite directions with velocity 40 km/ hr and 32km/hr in what time they will completely cross each other

Answer 1

Total distance covered=The length of the trains


= 121m+99m
= 220m
Relative speed=40 km/hr+32 km/hr
= 72 km/hr
=72*15\8
= 20 m/sec
The time taken by the trains to pass each other completely=220/20
=11 secs

Answer 2

__________t = 11 sec___________

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____Answer is in Attachment !!______

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Hope it helps...

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