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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 ?
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- 2 : 3
- 3 : 2
- 2 : 5
- 5 : 3
Correct Option: A
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
