The time taken by a train 160 m long, running at 72 km/hr, in crossing an electric pole is
Speed of train = 72 km/hr
= $$(72 \times \frac{5}{18})$$ m/s = $$20$$ m/s
Length of train = 160 m
Using, time = distance/speed
=> Time taken = $$\frac{160}{20}=8$$ sec
=> Ans - (A)
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