A train 800 metres long is running at a speed of 78 km/hr. If it cr – McqOptions

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1.	A train 800 metres long is running at a speed of 78 km/hr. If it crosses a tunnel in 1 minute, then the length of the tunnel (in metres) is:
A.	500
B.	540
C.	130
D.	360
Answer» B. 540

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