In a certain code, '123' is written as 'CBA'. How would '456' be coded?

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Question: In a certain code, \'123\' is written as \'CBA\'. How would \'456\' be coded?

Options:

Correct Answer: FED

Solution:

1=Z, 2=Y, 3=X; thus, 4=W, 5=V, 6=U. Therefore, 456 = FED.

In a certain code, '123' is written as 'CBA'. How would '456' be coded?

In a certain code, '123' is written as 'CBA'. How would '456' be coded?

Step 1: Identify the code used for the numbers. In the code, '1' is represented as 'C', '2' as 'B', and '3' as 'A'.
Step 2: Notice that 'C', 'B', and 'A' are the 3rd, 2nd, and 1st letters of the alphabet, respectively.
Step 3: Determine the pattern: Each number is being converted to a letter that is 3 positions back in the alphabet.
Step 4: Apply the same pattern to the numbers '4', '5', and '6'.
Step 5: Find the letters for '4', '5', and '6': '4' corresponds to 'W' (23rd letter), '5' corresponds to 'V' (22nd letter), and '6' corresponds to 'U' (21st letter).
Step 6: Combine the letters to get the final code for '456', which is 'WVU'.

Letter-Number Substitution – The question tests the ability to decode a numerical sequence into letters based on a specific substitution pattern.
Reverse Alphabet Coding – The coding scheme involves reversing the order of the alphabet, where A=Z, B=Y, C=X, etc.