Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
AGMZ, CEOX, ECQV, ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1, i.e., GAST.
AGMZ, CEOX, ECQV, ?
A + 2 = C, C + 2 = E, E + 2 = G
G - 2 = E, E - 2 = C, C - 2 = A
M +2 = O, O + 2 = Q, Q + 2= S
Z - 2 =X, X - 2 = V, V - 2 = T