if the speed of a train be 92.4 km per hour how many metres would it cover in 20 minutes
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Speed 92.4km/h = 92.4 ×5/18
= 25.66 m/sec
train goes 25.66m in 1 second
so it will go ____ in 1200 seconds = 25.66×1200
=30792 metres
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