Which of the following mountains are the oldest according to geological history?

Solution (By Examveda Team)

Aravalli mountains are the oldest according to geological history. It is 8 billion years old. At this time there would have been a fold mountain range made up of crumpled up Aravalli Supergroup rocks. Subsequently, beginning around 1.7 billion years ago, another basin developed in the north and west of the older Aravalli basin.