Train x crosses a stationary train y in 60 seconds and a pole in 25 seconds with the same speed. the length of the train x is 300 m. what is the length of the stationary train y?
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x speed =300/25=60/5=12m/sec
12=300+ y/60
12×60=300+y
720-300=y
y=420m is length of other train
12=300+ y/60
12×60=300+y
720-300=y
y=420m is length of other train
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