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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. UQ-VR-WYRN-SO-TV
NK-PL-QR
OK-PL-QS
NK-PM-QS
OK-PM-QR
OK-PL-QS
Observe the first and second letters of each triplet; the first letter remains constant or shifts minimally while the second letters follow a consistent (+1, +2) gap sequence.
Observe the first and second letters of each triplet; the first letter remains constant or shifts minimally while the second letters follow a consistent (+1, +2) gap sequence.
Analyze the given triads
Look at the pattern: UQ (U=21, Q=17; -4), VR (V=22, R=18; -4), WY (W=23, Y=25; +2). Triad 2: RN (R=18, N=14; -4), SO (S=19, O=15; -4), TV (T=20, V=22; +2). Both follow the logic: (Letter-4, Letter-4, Letter+2).
Test Option B (OK-PL-QS)
Mapping Option B: OK (O=15, K=11; -4), PL (P=16, L=12; -4), QS (Q=17, S=19; +2). This perfectly matches the pattern (Letter-4, Letter-4, Letter+2).
A: NK-PL-QR fails the -4, -4, +2 pattern logic. C: NK-PM-QS fails the consistent transformation logic found in the pairs. D: OK-PM-QR fails the correct sequence for the third pair.
B is correct because the pattern follows (Letter-4, Letter-4, Letter+2) for the corresponding positions in each triplet, which is satisfied only by OK-PL-QS.
When dealing with multi-part letter series, isolate each position index (1st, 2nd, etc.) separately to identify distinct arithmetic operations for each.