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Select the triad which follows the same pattern as that followed by the two triads given below. Both triads follow the same pattern. PK-RM-TUHC-JE-LM
MH-OJ-PR
MH-OJ-QR
MG-OJ-QR
MH-OJ-QS
MH-OJ-QR
Look at the positional difference between consecutive letters in each triad: 1st to 2nd letter and 2nd to 3rd letter. Find the constant alphabetical jump rule shared across all triads.
Look at the positional difference between consecutive letters in each triad: 1st to 2nd letter and 2nd to 3rd letter. Find the constant alphabetical jump rule shared across all triads.
Step 1: Analyze Triad 1 (PK - RM - TU)
Convert letters to alphabetical positions: P(16), K(11), R(18), M(13), T(20), U(21). The differences are: P to K is -5, K to R is +7, R to M is -5, M to T is +7, T to U is +1.
Step 2: Verify Triad 2 (HC - JE - LM)
Convert letters: H(8), C(3), J(10), E(5), L(12), M(13). The differences are: H to C is -5, C to J is +7, J to E is -5, E to L is +7, L to M is +1. This confirms the exact same pattern.
Step 3: Test Option B (MH - OJ - QR)
Convert letters: M(13), H(8), O(15), J(10), Q(17), R(18). Differences: M to H is -5, H to O is +7, O to J is -5, J to Q is +7, Q to R is +1. This matches the identical sequence pattern.
A: MH-OJ-PR gives Q to P (-1) instead of +1. C: MG-OJ-QR starts with M to G (-6) instead of -5. D: MH-OJ-QS ends with Q to S (+2) instead of +1.
B is correct because Option B (MH-OJ-QR) precisely follows the established positional difference pattern (-5, +7, -5, +7, +1) found in both given triads.
When analyzing multiple letter clusters or triads, always check both the internal transitions within each pair and the bridging transitions between pairs.