EduGoog
In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

AZ, GT, MN, ?, YB

Option:
A. KF
B. RX
C. SH
D. TS
Answer: C . SH

Justification:

The first letter of each term is moved six steps forward 
while the second letter is moved six steps backward to obtain the corresponding letter of the next term.

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