In a class of 60 where boys are twice that of girls, Ram ranked 17th from the top. If there are 9 boys ahead of Ram, how many girls are after him in the rank?

Let the number of girls be $G$ and the number of boys be $B$.
Given:

$$B=2G$$

$$B+G=60⟹2G+G=60⟹3G=60⟹G=20$$

Thus, there are $20$ girls and $40$ boys in the class.

Ram's rank is $17\text{th}$ from the top, which means there are $16$ students ranked ahead of him.
Out of these $16$ students, $9$ are boys.
Therefore, the number of girls ahead of Ram is:

$$16-9=7\text{ girls}$$

Since Ram is a boy, he does not count toward the number of girls.
The number of girls ranked after Ram is the total number of girls minus the girls ahead of him:

$$20-7=13\text{ girls}$$