Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
BOARD, BOARW, BOAIW, ?, BLZIW, YLZIW
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. BOZIW.
Given series: BOARD, BOARW, BOAIW, ?, BLZIW, YLZIW
Let's arrange all the alphabets such that A to M is exactly opposite to Z to N.

On the basis of our arrangement, operation on different terms of the letter BOARD is done one by one in the following manner:
BOARD
BOARW → W is opposite to D.
BOAIW → I is opposite to R.
BOZIW → Z is opposite to A.
BLZIW → L is opposite to O.
YLZIW → Y is opposite to B.