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QLPK is related to IDHC in a certain way based on the English alphabetical order. In the same way, VQUP is related to NIMH. To which of the following options is TOSN related, following the same logic?
GLFK
GLKF
LGFK
LGKF
LGKF
Find the numerical position of each letter in the English alphabet and apply the consistent backward difference pattern across positions.
Find the numerical position of each letter in the English alphabet and apply the consistent backward difference pattern across positions.
Analyze First Pair (QLPK to IDHC)
Convert each letter to its alphabetical position: Q=17, L=12, P=16, K=11 and I=9, D=4, H=8, C=3. The difference is -8 for all positions: 17-8=9 (I), 12-8=4 (D), 16-8=8 (H), 11-8=3 (C).
Verify Second Pair (VQUP to NIMH)
Check V=22, Q=17, U=21, P=16 and N=14, I=9, M=13, H=8. Subtracting 8 from each gives 22-8=14 (N), 17-8=9 (I), 21-8=13 (M), 16-8=8 (H). The rule (-8 to all letters) is confirmed.
Apply Logic to TOSN
Apply the -8 shift to TOSN: T(20)-8=12 (L), O(15)-8=7 (G), S(19)-8=11 (K), N(14)-8=6 (F). This yields LGKF.
A: GLFK has incorrect letter sequence. B: GLKF has incorrect letter order. C: LGFK has incorrect letter sequence. D: LGKF is the exact correct code obtained by subtracting 8 from each letter position.
D is correct because applying a consistent -8 position shift to each letter of TOSN yields LGKF.
Always verify both forward and backward letter difference patterns when dealing with 4-letter coding-decoding questions.
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