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A 180 -metre long train crosses another ...

A 180 -metre long train crosses another 270- metre long train running in the opposite direction in 10.8 seconds. If the speed of the first train is 60 kmph, what is the speed of the second train in kmph? `80` b. `90` c. `150` d. cannot be determined e. none of these

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RS AGGARWAL-PROBLEMS ON TRAINS-All Questions
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  9. A train 240 m long crosses a man walking along the line in opposite di...

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