document.write( "Question 886569: Train A is 75 m long & travels at a uniform speed of 54 km/hr. Train B is125m long & travels at a uniform speed of 36 km/hr in the direction opposite to that of Train A. If these trains are crossing at a double track stretch, what is the time taken for the two trains to fully clear each other ? \n" ); document.write( "

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Train A is 75 m long & travels at a uniform speed of 54 km/hr. Train B is125m long & travels at a uniform speed of 36 km/hr in the direction opposite to that of Train A. If these trains are crossing at a double track stretch, what is the time taken for the two trains to fully clear each other ?
\n" ); document.write( "***\r
\n" ); document.write( "\n" ); document.write( "distance=125+75=200m
\n" ); document.write( "speed=54+36=90 km/hr
\n" ); document.write( "travel time=distance/speed
\n" ); document.write( "=200m/(90 km/hr)
\n" ); document.write( " $\"%28200m%2F90km%29%2Ahr%2A%28km%2F1000m%29%2A%283600sec%2Fhr%29=8+sec\"$
\n" ); document.write( "time taken for the two trains to fully clear each other=8sec \n" ); document.write( "

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