In each of these questions, choose the missing term(s) out of the given alternatives.
If you look at the elements written outside the circle, they are
A E I O U A _ I
They are vowels in sequence, hence ? will be E.
Also, the numbers written inside the circular parts are 1,3,5,7,11 ?,17 and 19.
These are prime numbers.
Hence, ? will be 13
So, E and 13