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

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

Options:

Correct Answer: FED

Solution:

The code corresponds to the reverse of the numbers: 1->A, 2->B, 3->C. Thus, 4->D, 5->E, 6->F gives \'FED\'.

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

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

Step 1: Identify the code used for the numbers. In the example, '123' is written as 'CBA'.
Step 2: Notice that 'CBA' is the reverse of the letters corresponding to the numbers. '1' corresponds to 'A', '2' to 'B', and '3' to 'C'.
Step 3: Write down the letters for '456'. '4' corresponds to 'D', '5' to 'E', and '6' to 'F'.
Step 4: Now, reverse the letters you found for '456'. So, 'D', 'E', 'F' becomes 'FED'.
Step 5: Therefore, '456' is written as 'FED' in the code.

Character Encoding – Understanding how numbers are mapped to letters in a specific code.
Reversal of Order – Recognizing that the order of the output is reversed compared to the input.