EduGoog

ABCD : OPQR : WXYZ : ?

Option:
A. EFGH
B. KLMN
C. QRST
D. STUV
Answer: B . KLMN

Justification:

Clearly, each letter of the first group is moved fourteen steps forward to obtain the corresponding letter of the second group.
A similar relationship will exist between the third and fourth groups.
Hence, the answer is (b).

Next