two train 250 mitres and 350 mitres long are going in opposite directions with the speed of 35 km/h and 25 km/h, respectively. how long would it take to pass each other.
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in opposite direction distance are added and speed is subtracted
D=250+350=600m=0.6km
time=distance/speed
=0.6/50hr
D=250+350=600m=0.6km
time=distance/speed
=0.6/50hr
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