Coding Questions from PO

If PLANET is coded as NKYBVR and GARDEN is coded as EZNVBK, what will MARKET be coded as? SSC 2013

A) KZNVQX
B) KZNCVQ
C) KZNVPR
D) KZNYCQ
E) KZEARQ

The question is wrong because:

The coding from PLANET → NKYBVR and GARDEN → EZNVBK does not follow a consistent positional shift or uniform rule.
Different letters undergo different and irregular transformations, with no fixed pattern (no constant shift, no symmetry, no clear grouping logic).
No single rule (forward/backward shifts, alternating pattern, vowel/consonant rule, etc.) explains both examples simultaneously.
Applying any reasonable assumption to MARKET leads to multiple possible codes, matching different options.
Hence, the coding scheme is ambiguous and non-unique, making it impossible to determine one correct answer.

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