A man is standing on a railway bridge which is 180 m long . He find – McqOptions

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1.	A man is standing on a railway bridge which is 180 m long . He finds that a train crosses the bridge in 20 second. but himself in 8 seconds. Find he length of the train and its speed .
A.	54 kmph
B.	55 kmph
C.	56 kmph
D.	57 kmph
Answer» B. 55 kmph

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