cx, fu, ir, ?, ol, ri - Alphabet Series - Series Completion - Verbal Reasoning question

In following alphabet series , one term missing as shown by question mark . Choose missing term from options. - cx, fu, ir, ?, ol, ri

A. lo

B. mn

C. no

D. op

E. or

Answer: A. lo

The first letter of each term is moved three steps forward and
the second letter is moved three steps backward to obtain the corresponding letters of the next term.

Posted in: Alphabet Series - Series Completion - Verbal Reasoning