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XVYU is related to NLOK in a certain way based on the English alphabetical order. In the same way, USVR is related to KILH. To which of the following options is QORN related, following the same logic?
GEDH
HEDG
GEHD
HEGD
GEHD
Apply the -10, -10, -10, -10 constant shift pattern for all letters in the word to find the corresponding code.
Apply the -10, -10, -10, -10 constant shift pattern for all letters in the word to find the corresponding code.
Analyze the pattern
Map XVYU to NLOK: X(24)-10=N(14), V(22)-10=L(12), Y(25)-10=O(15), U(21)-10=K(11). The rule is -10 for each letter.
Verify with secondary pair
Map USVR to KILH: U(21)-10=K(11), S(19)-10=I(9), V(22)-10=L(12), R(18)-10=H(8). The rule holds consistent.
Apply logic to QORN
Q(17)-10=G(7), O(15)-10=E(5), R(18)-10=H(8), N(14)-10=D(4). The result is GEHD.
A: GEDH is incorrect due to the swapped positions of H and D; B: HEDG is incorrect as the first letter is not G; D: HEGD is incorrect due to the wrong mapping of the sequence.
C is correct because applying a consistent subtractive shift of 10 to each letter position in QORN (17, 15, 18, 14) results in GEHD (7, 5, 8, 4).
For coding-decoding questions, always convert letters to their numerical positions (A=1, Z=26) first; this makes finding the arithmetic shift pattern nearly instantaneous.