Two cars A and B travel from one city to another, at speeds of 35 km/hr and 45 km/hr respectively. If car B takes 2 hours lesser time than car A for the journey, then the distance (in kms) between the two cities is?
Let distance = X km
difference in time = 2hrs
x/35 - x/45 = 2
10x = 3150
x = 315km
So the answer is option D.
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