Answer :

Given :


Two cars start together from the same place and move in the same direction.


The first car moves with a uniform speed of 60km/hr.


The second car moves with 48km/hr in the first hour and increases the speed by 1 km each succeeding hour.


Let the cars meet at n hours.


Distance travelled the first car in n hours = 60×n


Distance travelled by the second car in n hours is



Tip: -


When the cars meet the distances travelled by cars are equal.



96 + (n - 1) = 120


n = 25


The two cars meet after 25 hoursfrom their start and overtake the first car.


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