1. The time for a train of length 110 metres running at the speed of 72 km/hr to cross a bridge of length 132 metres is
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By: anil on 05 May 2019 01.49 am
Speed of train = 72 km/hr = $$(72 imes frac{5}{18})$$ m/sec = $$20$$ m/sec Length of train = 110 m and length of bridge = 132 m Using, time = distance/speed => $$t=frac{(110+132)}{20}$$ => $$t=frac{242}{20}=12.1$$ sec => Ans - (B)
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