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Based on the alphabetical order, three of the following four are alike in a certain way and thus form a group. Which is the one that does not belong to that group? (Note: The odd man out is not based on the number of consonants/vowels or their position in the letter cluster.) 4779
INJ
GKH
JNK
QUR
INJ
Calculate the difference between letter positions. In these clusters, check if (Pos 3 - Pos 2) equals (Pos 2 - Pos 1).
Calculate the difference between letter positions. In these clusters, check if (Pos 3 - Pos 2) equals (Pos 2 - Pos 1).
Analyze Letter Positions
Convert letters to their numerical values (A=1, B=2... Z=26). A) INJ: I=9, N=14, J=10. B) GKH: G=7, K=11, H=8. C) JNK: J=10, N=14, K=11. D) QUR: Q=17, U=21, R=18.
Evaluate Differences
Look at the gap between the middle letter and the third letter, and the first and middle letter. B: 11-7=4, 8-11=-3. C: 14-10=4, 11-14=-3. D: 21-17=4, 18-21=-3. All follow the pattern: (Middle - First) = +4, (Third - Middle) = -3.
Identify the Outlier
In INJ: (N - I) = 14 - 9 = +5. (J - N) = 10 - 14 = -4. This does not follow the +4/-3 pattern observed in GKH, JNK, and QUR.
B (GKH) follows the pattern +4, -3. C (JNK) follows the pattern +4, -3. D (QUR) follows the pattern +4, -3.
A is correct because it is the only option that does not follow the (+4, -3) difference pattern established by the other three triplets.
When faced with letter clusters in reasoning, always prioritize checking the numeric difference between adjacent letters before looking for vowels or sequence logic.
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