Let the length of train ‘A’ be ‘x’ metres Therefore, length of the goods train = ‘6x’ metres Speed of train ‘A’ = 126 × (5/18) = 35 m/s According to the question, 6x + x = 35 × 30 => 7x = 1050 => x = 150 Therefore, time taken by train ‘B’ to cross train ‘A’ = {(150 + 200)/(30 + 20)} = 7 seconds
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In the following passage, some words have been omitted and indicated by a number. Select the most appropriate word from the given options pertaining to...
Which of the following statements, best indicates the main idea that the author tries to convey through the passage ?
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Select the most appropriate option for blank No. 4.
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