The brain stem consists of $......$

Which of the following statements are correct about the cortex of the cerebrum? Choose the correct codes given below:
$(I)$. It consists of grey matter.
$(II)$. It shows prominent folds.
$(III)$. It consists of white matter.
$(IV)$. It contains motor areas,sensory areas,and association areas.

Brain stem is formed by .........

The correct sequence of meninges of the brain from outside to inside is:

Association areas are regions found in

Lateral ventricles are found in