Study the following series.
G J Q A $ U 4 M Z L 7 6 % 5 @ Y H 3 W E
Find what should come in place of the question mark(?)
QA , ? , Z6 , 6Y
There is a gap of 2 between the first characters of each of the given pair. The second character of each pair is increasingly moving one position to the right of the first character.