In a certain language code, DIAMOND is coded as VQYMKLV. How is CRUELTY coded?
WHEUNFA
First crack the rule from the given pair. DIAMOND becomes VQYMKLV. Compare each letter using its position number (A = 1, B = 2, ... Z = 26).
D (4) → V (22): note 4 + 22 = 26. I (9) → Q (17): 9 + 17 = 26. A (1) → Y (25): 1 + 25 = 26. M (13) → M (13): 13 + 13 = 26. O (15) → K (11): 15 + 11 = 26. N (14) → L (12): 14 + 12 = 26. D (4) → V (22) again.
So the rule is: replace each letter X by the letter at position (26 − X), i.e. the complement that pairs A↔Y... more simply, each letter maps to (26 − its number). This is a fixed opposite-style substitution.
Apply it to CRUELTY:
C (3) → 26 − 3 = 23 = W
R (18) → 26 − 18 = 8 = H
U (21) → 26 − 21 = 5 = E
E (5) → 26 − 5 = 21 = U
L (12) → 26 − 12 = 14 = N
T (20) → 26 − 20 = 6 = F
Y (25) → 26 − 25 = 1 = A
Reading down the column gives WHEUNFA. The look-alike codes fail on individual letters (for example placing an H after a wrong first letter, or an X for C, or shifting E/T incorrectly), so only WHEUNFA follows the 26-minus-position rule for every letter.
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Important Questions from Coding Decoding
- Replace the question mark with an option that follows the same logic applied in the first pair.
INTERFERENCE: TNIFEREERECN :: OSCILLATIONS : ?? - Replace the question mark with an option that follows the same logic applied in the first pair.
FOAM: HQCO :: VOTE : ?? - In a certain code, if LOCAT is written as MQFEY, then how is GRAPH written in that code?
- Replace the question mark with an option that follows the same logic applied in the first pair.
ESCALATION: OPJUBMBDTF :: DEHYDRATED:?? - Replace the question mark with an option that follows the same logic applied in the first pair.
MONSTER: NOMTRET :: HEALTHY : ??
