Q: A train 900 m long is running at a speed of 78 km/hr. If it crosses – McqOptions

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1.	Q: A train 900 m long is running at a speed of 78 km/hr. If it crosses a tunnel in 1 min, then the length of the tunnel is ?
A.	400 m
B.	300 m
C.	500 m
D.	600 m
Answer» B. 300 m

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