Two train start at the same time from points x and y towards each other and after crossing, they take 9 h and 4 h in reaching points y and x, respectively. Find the ratio of speeds of the 1st train to that of the 2nd train?
Aptitude
Problems on Trains
Choose an option
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A2 : 3
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B3 : 2
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C2 : 5
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D5 : 3
Answer
Correct Answer: 2 : 3
Explanation
Given that, T1 = 9 h and T 2 = 4 h According to the formula. (1st train's speed) : (2nd train's speed) = √4 : √9 = 2 : 3