1.

A train cover a distance of 360km in 6 hours. By how much should the speed be increase to cover the same distance in 4 hours?

Answer»

Answer:

90km/h

Step-by-step EXPLANATION:

time T1= 6 HOURS and time t2= 4 hours

velocity v1= distance/time

v1= 360/6=60 km/h

now for time t2= 4 hours

velocity v2= 360/4=90 km/h



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