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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