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.)

This question was previously asked in
RRB Technician Grade III Official Paper (Held On: 28 Dec, 2024 Shift 1)
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  1. UOI
  2. PKI
  3. BVP
  4. KEY

Answer (Detailed Solution Below)

Option 2 : PKI
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Detailed Solution

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The logic followed here is:

Option 1) UOI

Option 2) PKI

Option 3) BVP

Option 4) KEY

Thus, out of all the options 'PKI' is the odd one out.

Hence, "Option 2" is the correct answer.

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