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Select the option in which the triads share the same relationship as that shared by the given triads. HAND - ANDH - NDHA BIRD - IRDB - RDBI
CUBE - CEBU - BUEC
ROSE - OSER - SERO
DUCK - CKDU - CUKD
FROG - ROGF - ROFG
ROSE - OSER - SERO
The pattern involves shifting letters of a four-letter word to form a sequence of triads. In the given example 'HAND' (1-2-3-4), the triads are 'ANDH' (2-3-4-1) and 'NDHA' (3-4-1-2), representing a cyclical shift of the sequence; 'ROSE' (1-2-3-4) follows the same logic (OSER = 2-3-4-1 and SERO = 3-4-1-2).
The pattern involves shifting letters of a four-letter word to form a sequence of triads. In the given example 'HAND' (1-2-3-4), the triads are 'ANDH' (2-3-4-1) and 'NDHA' (3-4-1-2), representing a cyclical shift of the sequence; 'ROSE' (1-2-3-4) follows the same logic (OSER = 2-3-4-1 and SERO = 3-4-1-2).
This logic follows the principles of Cyclic Permutation commonly used in logical reasoning and cryptographic aptitude tests in competitive exams.
Cyclic permutation involves moving the first element to the end in every subsequent step.
The word length is 4, meaning the sequence repeats every 4 shifts.
This reasoning technique tests spatial memory and pattern recognition.
Option A (CUBE-CEBU-BUEC) breaks the pattern because CEBU is not a 2-3-4-1 shift of CUBE.
Option C (DUCK-CKDU-CUKD) shows a mixed shift pattern that does not maintain the cyclic consistency.
Option D (FROG-ROGF-ROFG) fails the consistent cyclic shift required by the logic.
In competitive exams, always write down the numerical index (1, 2, 3, 4) for each letter to identify the shift pattern quickly.
B is correct тАФ ROSE - OSER - SERO strictly follows the 2-3-4-1 and 3-4-1-2 cyclical movement pattern of the input sequence.
Similar cyclic patterns are frequently used in coding-decoding questions, where a constant positional offset (Caesar Cipher) is applied to all letters of a word.
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