Based on the English alphabetical order, three of the following four letter-cluster pairs
are alike in a certain way and thus form a group. Which letter-cluster pair 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.)

Question

Question

This question was previously asked in

RRB NTPC Graduate Level CBT-I Official Paper (Held On: 06 Jun, 2025 Shift 2)

Answer 1

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Let's analyze the pattern for each letter-cluster pair by looking at the positional value of the letters.

1) IM - KO

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Here, the pattern is +2 for both letters.

2) SP - QI

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Here, the pattern is -2 for the first letter and -7 for the second letter.

3) LP - NR

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Here, the pattern is +2 for both letters.

4) GK - IM

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Here, the pattern is +2 for both letters.

From the analysis, the pairs IM - KO, LP - NR, and GK - IM all follow a pattern of adding 2 to the positional value of each letter.

However, the pair SP - QI does not follow this pattern.

Hence, the correct answer is "Option 2".