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Which of the following letter-cluster pairs does not belong to the group? (A) BD-FH (B) KM-OQ (C) PR-TV (D) CE-GH
BD-FH
KM-OQ
PR-TV
CE-GH
CE-GH
Observe the gaps between letters: check if the sequence follows a consistent jump pattern like +2, +2, +2 for all letters in the pair.
Observe the gaps between letters: check if the sequence follows a consistent jump pattern like +2, +2, +2 for all letters in the pair.
Analyze pattern for Option A (BD-FH)
Mapping: B(2), D(4) and F(6), H(8). The jumps are: B to D (+2), D to F (+2), F to H (+2). Total progression: +2, +2, +2.
Analyze pattern for Option B (KM-OQ)
Mapping: K(11), M(13) and O(15), Q(17). The jumps are: K to M (+2), M to O (+2), O to Q (+2). Total progression: +2, +2, +2.
Analyze pattern for Option C (PR-TV)
Mapping: P(16), R(18) and T(20), V(22). The jumps are: P to R (+2), R to T (+2), T to V (+2). Total progression: +2, +2, +2.
Analyze pattern for Option D (CE-GH)
Mapping: C(3), E(5) and G(7), H(8). The jumps are: C to E (+2), E to G (+2), but G to H (+1). This sequence is +2, +2, +1.
A: Follows +2, +2, +2 pattern; B: Follows +2, +2, +2 pattern; C: Follows +2, +2, +2 pattern.
D is correct because it is the only option where the last jump is +1 instead of the consistent +2 progression found in all other pairs.
When comparing letter clusters, always write down the numerical position (1-26) of each letter immediately to reveal hidden arithmetic patterns.
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