One Second Before A Train Crash
*If two trains A & B come towards each other in constant speeds of, *
A=
B=
What is the distance between the two trains, before a second they crash together in meters?
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1 solution
combined speed of the trains is 72+108=180 kph. 180 km per 3600 second. 1 second =180/3600= 0.05 km = 50 metres