Two trains approach each other at 30 km/hr and 27km/hr from two places 342km ap

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Question

Two trains approach each other at 30 km/hr and 27km/hr from two places 342km apart after how many hours will they meet

Options:

A . 5 Hours

B . 6 Hours

C . 7 Hours

D . 12 Hours

Answer: Option B

Suppose the two trains meet after x hours, then
=> 30x + 27x = 342
=> 57x = 342
=> X = 6
So the two trains will meet after 6 hours

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