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Train A crosses a stationary train B in 50 second and a pole in 20 seconds with the same speed. The length of the train A is 240 metres. What is the length of the stationary train B. `260\ m e t r e s` b. `300\ m e t r e s` c. `360\ m e t r e s` d. Cannot be determined e. none of these

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RS AGGARWAL-PROBLEMS ON TRAINS-All Questions
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  14. Two trains 200 metres and 150 metres long are running on parallel r...

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  15. Two trains A and B start running together from the same point in th...

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