Math, asked by cvayush, 9 hours ago

The sum of the times taken by train P and train Q to cross their own lengths is twice the time taken by them to cross each other when they are travel- ling in opposite direction to each other. If P takes 20 s to cross a stationary pole, then find the time taken by Q to do the same. (in seconds)

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Answered by srinivasrayavarapu26

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