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A train x takes 50 s to cross a 400 m lo...

A train x takes 50 s to cross a 400 m long train moving at a speed of 200 m/s. It would takes 100 s to cross a pole. Find the speed of the train X ( in m/s)

A

10

B

12

C

20

D

24

Text Solution

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The correct Answer is:
B
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