1. Two trains 108m and 112 m in length are running towards each other on the parallel lines at a speed of 45 km/hr and 54 km/hr respectively. To cross each other after they meet, it will take
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By: anil on 05 May 2019 02.25 am
Sum of lengths of train = $$108+112=220$$ m Trains are running towards each other, => Relative speed = $$45+54=99$$ km/hr = $$99 imes(frac{5}{18})=27.5$$ m/s => Time taken = distance/speed = $$frac{220}{27.5}=8$$ seconds => Ans - (D)
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