Question
Train A running at a speed of 41 km/hr crosses train B
in 30 seconds. Find the speed of train B (in km/hr), if the sum of the length of train A and B is 500 meters and both trains running in the opposite direction.Solution
Let speed of train B be ‘x’ km/hr. According to question, => 30(41 + x) × (5/18) = 500 => 1230 + 30x = 1800 => 30x = 570 => x = 19 km/hr
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