Which one of the following group of cities have been arranged in the sequence of their ranks i.e., 1, 2, 3, and 4 in size?
Greater Mumbai, Bangalore, Kolkata, Chennai
Delhi, Greater Mumbai, Chennai, Kolkata
Kolkata, Greater Mumbai, Chennai, Kolkata
Greater Mumbai, Kolkata, Delhi, Chennai.
D.
Greater Mumbai, Kolkata, Delhi, Chennai.