Select the combination of letters that when sequentially placed in the blanks of the given series will make the series logically complete.
_CFB D_IE GI_H JLO_ MOR_
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. AFLKN.
Given series: _CFB D_IE GI_H JLO_ MOR_
ACFB / DFIE / GILH / JLOK / MORN
Here, each letter is increased by 3.