A train is moving with the velocity of 72km/hr. Find the time it takes to cross the bridge
which is 2km long?
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Answer:
1.67 min
Explanation:
Given that the velocity of train is 72 km. So it can cross 72 km in one hour or 60 min.
So....
It crosses 72 km in 60 min
It crosses 1 km in 60/72 min
It crosses 2 km in (60×2) / 72 min
= 1.67 min
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