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Let the length of train ‘A’ be ‘x’ metres Therefore, length of the goods train = ‘4x’ metres Speed of train ‘A’ = 126 × (5/18) = 35 m/s According to the question, 4x + x = 35 × 25 => 5x = 875 => x = 175 Therefore, time taken by train ‘B’ to cross train ‘A’ = {(175 + 500)/(35 + 10)} = 15 seconds
23 मई को मनाये जानेवाले विश्व कछुआ दिवस का मुख्य फोकस क्या �...
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