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Select the pair which follows the same pattern as that followed by the two set of pairs given below. Both pairs follow the same pattern: BDF-KMO, HJL-QSU
NPR-WYA
ACE-GIK
TVX-ZBD
PRT-WYB
NPR-WYA
Observe the constant jump from the first set (BDF) to the second set (KMO): B to K (+9), D to M (+9), F to O (+9). Then check for the same +9 gap in the answer options.
Observe the constant jump from the first set (BDF) to the second set (KMO): B to K (+9), D to M (+9), F to O (+9). Then check for the same +9 gap in the answer options.
Analyze the given pattern
In BDF-KMO: B(2)+9=K(11), D(4)+9=M(13), F(6)+9=O(15). In HJL-QSU: H(8)+9=Q(17), J(10)+9=S(19), L(12)+9=U(21). The pattern is +9 shift for all corresponding letters.
Apply pattern to Option A
For NPR-WYA: N(14)+9=W(23), P(16)+9=Y(25), R(18)+9=A(27 which is 1). This matches the +9 constant logic exactly.
B: ACE-GIK uses a +6 shift; C: TVX-ZBD uses +6, +8, +6 shifts; D: PRT-WYB uses +9, +9, +8 shifts.
A is correct because every letter in the first cluster (NPR) consistently adds 9 to arrive at the corresponding letter in the second cluster (WYA), satisfying the +9 pattern observed in the example pairs.
When analyzing letter analogies, always write the numeric value (A=1, B=2...) of the letters first to quickly identify the arithmetic difference between clusters.