MCQ Subject: Coding Decoding

In a coded language, ‘CAT’ is written as ‘CER’. How would ‘DOG’ be coded in this language?

A message is encoded with the following rule: Each letter is shifted 3 places forward in the alphabet, but if the letter is a vowel (A, E, I, O, U), it is shifted 5 places backward instead. How would ‘CODE’ be encoded?

In a coding system, ‘APPLE’ is coded as ‘5 12 16 12 5’. Which word is represented by ‘7 8 1 20’?

In a coded language, ‘APPLE’ is written as ‘CDDQW’. How would ‘BANANA’ be coded in this language?

Decode the given statement using the A=1, B=2, …, Z=26 pattern: D C O D E

In a coding system, ‘APPLE’ is coded as ‘BSTUQ’. How would ‘BANANA’ be coded in this system?

In a Coding-Decoding scheme, ‘APPLE’ is encoded as ‘DSOOH’. How would ‘BANANA’ be encoded?

In a coding system, ‘APPLE’ is coded as ‘BPQQMF’. What would ‘BANANA’ be coded as?

In a coding system, each letter is replaced by the letter three positions ahead of it in the alphabet (A=D, B=E, …, Z=C). Decode ‘WKLVLVJDJH’:

Decode the message ‘Khoor Zruog’ using a Caesar cipher with a shift of -3. What does it reveal?