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In a certain code, if 'CAT' is '3120', what is 'DOG'?
4157
4167
5157
4158
4157
In this coding-decoding pattern, each letter is replaced by its respective numerical position in the English alphabet and concatenated directly. For CAT, C is 3, A is 1, and T is 20, resulting in 3120. Following the same rule for DOG, D is 4, O is 15, and G is 7, yielding the code 4157.
In this coding-decoding pattern, each letter is replaced by its respective numerical position in the English alphabet and concatenated directly. For CAT, C is 3, A is 1, and T is 20, resulting in 3120. Following the same rule for DOG, D is 4, O is 15, and G is 7, yielding the code 4157.
Alphabetical positional values form the core foundation of alphabetical coding, ranking, and series reasoning questions frequently featured in railway and banking competitive examinations like RRB JE.
Alphabet positions follow a standard sequence from A equal to 1 to Z equal to 26.
Single-digit alphabetical positions like D equal to 4 and G equal to 7 remain single digits in the sequence.
Double-digit positions like O equal to 15 are appended directly without addition or modification.
Option A is correct because concatenating the alphabetical positions of D, O, and G gives 4, 15, and 7 respectively, forming 4157.
Options B, C, and D represent incorrect numerical derivations or arithmetic modifications of the alphabet positions.
Letter coding questions in RRB JE CBT-1 test speed and pattern recognition in positional values.
A is correct тАФ concatenating the exact alphabetical position numbers for D (4), O (15), and G (7) directly forms the code 4157.
Mastering alphabetical position numbers and their reverse equivalents is crucial for solving both coding-decoding and letter series questions efficiently in CBT-1 exams.
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