1.

A train moves at a constant speed of 75 km/hr. (i) How far will it travel in 20 minutes? (ii) Find the time required to cover a distance of 250 km.

Answer»

Speed of the train = 75 km/hr 

i) The distance travelled in 20 min. 

d = s x t = 75 x 20 min 

= 75 x 20 min = 25 km

=75 x 20/60 =75/3 =  25 km

ii) Time taken to travel 250 km

t = d/s = 250/75

t = 10/3 hrs



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