In a certain code, 'HELLO' is written as 'KHOOR'. How is 'WORLD' coded? (2023)

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Question: In a certain code, \'HELLO\' is written as \'KHOOR\'. How is \'WORLD\' coded? (2023)

Options:

Correct Answer: ZRUOG

Exam Year: 2023

Solution:

Each letter is shifted by +3. W -> Z, O -> R, R -> U, L -> O, D -> G. So, WORLD = ZRUOG.

In a certain code, 'HELLO' is written as 'KHOOR'. How is 'WORLD' coded? (2023)

In a certain code, 'HELLO' is written as 'KHOOR'. How is 'WORLD' coded? (2023)

Step 1: Identify the pattern in the code. Notice that 'HELLO' is changed to 'KHOOR'.
Step 2: Compare each letter in 'HELLO' with the corresponding letter in 'KHOOR'.
Step 3: Determine how many positions each letter is shifted. For example, H to K is a shift of +3.
Step 4: Apply the same shift of +3 to each letter in the word 'WORLD'.
Step 5: Shift W (+3) to Z, O (+3) to R, R (+3) to U, L (+3) to O, and D (+3) to G.
Step 6: Combine the shifted letters to form the coded word: ZRUOG.

Caesar Cipher – A method of encoding where each letter in the plaintext is shifted a certain number of places down or up the alphabet.