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Three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which is the letter-cluster pair that does NOT belong to that group? (Note: The odd one out is not based on the number of consonants/vowels or their positions in the letter-cluster.)
HY - FZ
SJ - QK
OF - NG
CT - AU
OF - NG
Calculate the difference between letter positions. In options A, B, and D, the gap is constant or follows a repeating shift pattern of +1, while option C shows a unique inconsistent gap.
Calculate the difference between letter positions. In options A, B, and D, the gap is constant or follows a repeating shift pattern of +1, while option C shows a unique inconsistent gap.
Analyze Letter Differences
Convert letters to their numerical positions: H=8, Y=25; F=6, Z=26. The pattern for HY-FZ is 8-2=6 and 25+1=26. This logic (-2, +1) holds for other options.
Verification of Pattern (-2, +1)
Option A: HY-FZ (8 тЖТ 6, 25 тЖТ 26) follows (-2, +1). Option B: SJ-QK (19 тЖТ 17, 10 тЖТ 11) follows (-2, +1). Option D: CT-AU (3 тЖТ 1, 20 тЖТ 21) follows (-2, +1).
Identify Outlier
Option C: OF-NG (15 тЖТ 14, 6 тЖТ 7) follows (-1, +1). The first operation -1 deviates from the standard -2 observed in all other pairs.
A: Follows the -2, +1 rule. B: Follows the -2, +1 rule. D: Follows the -2, +1 rule.
C is correct because it follows a (-1, +1) pattern, whereas all other options follow a consistent (-2, +1) pattern.
When faced with letter-cluster analogies, always convert to numerical values (A=1, B=2...) first; the pattern is usually hidden in the difference between these integers.
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