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Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which letter-cl
Question

Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which letter-cluster DOES NOT belong to that group? (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)

A.

CJSX

B.

JQZF

C.

BIRW

D.

UBKP

Correct option is B

Let's analyze the options 
Explanation:
Option: (a), CJSX   (Follow)
C+7 = J,  J+9 = S,  S+5 = X
Option: (b), JQZF    (Logic is not follow)
J+7 = Q,  Q+9 = Z,  Z+6 = F
Option: (c), BIRW    (Follow)
B+7 = 9,  I+9 = R,  R+5= W
Option: (d), UBKP    (Follow)
U+7 = B,  B+9 = K,  K+5 = P
Thus, the correct option is (b).

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