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Two trains each of 120 m in length, run ...

Two trains each of 120 m in length, run in opposite directions with a velocity of 40 m/s and 20 m/s respectively. How long will it take for the tail ends of the two trains to meet each other during the course of their journey?

A

20 s

B

3 s

C

4 s

D

5 s

Text Solution

Verified by Experts

The correct Answer is:
C
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