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Two trains, 130 and 110 metres long, are...

Two trains, 130 and 110 metres long, are going in the same direction. The faster train takes one minute to pass the other completely. If they are moving in opposite directions, they pass each other completely in 3 seconds. Find the speed of the faster train. `38 m//s e c` b. `42 m//s e c` c. `46 m//s e c` d. `50 m//s e c`

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