1.

A train takes 4 hours to complete a journey by travelling at a speed of 60 km/h how long will the train take if it's speed is reduced to 40 km/h

Answer»

ANSWER:

SPEED = distance / time

distance = 60*4

distance = 240 km.

now,if the speed of the CAR is 40km/h,then,

time = distance / speed

time= 240/40

time=6 HOURS



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