MCQ Subject: Coding Decoding

In a coded language, ‘RJW’ means ‘SKY’. What would ‘CDF’ mean in the same language?

In a coding system, ‘APPLE’ is coded as ‘ZLQQT’ and ‘BANANA’ as ‘YLPMPY’. How would ‘CHERRY’ be coded in this system?

In a coding-decoding context, if ‘FRIEND’ is coded as ‘ENFIRD’, what would be the code for ‘CLOUD’?

A coding-decoding pattern is given: ‘CAT’ becomes ‘ZBA’ (reverse the word and subtract 1 from each letter’s alphabetical position, with A=1, B=2, …, Z=26). Apply this rule to decode ‘ELEPHANT’ if it were encoded as ‘TNALPHEE’ and select the correct decoding from the options.

In a coding system, ‘FRIEND’ is coded as ‘ENFIRD’. How would ‘COMPUTER’ be coded in this system?

A coding system uses the following substitutions: EARTH = 5, SKY = 3, OCEAN = 5. What would be the code for UNIVERSE?

A coded message reads: ‘EFDGHI’. If each letter is shifted back by 2 places in the first half and 1 place in the second half of the alphabet (considering the message is split into two equal parts), what does it decode to?

In a coding system, ‘APPLE’ is coded as ‘DSOOH’. Which of the following words would be coded as ‘LMLRQ’?

A message is encoded using a pattern where each letter is replaced by a letter three positions before it in the alphabet (wrapping around from A to Z as needed). If the encoded message reads ‘EBJTI’, what is the original message?

Decode the word ‘ELJPS’ using the given pattern where each letter in the original word is shifted in the alphabet by its position in the word (1st letter +1, 2nd +2, etc.). If the original word is ‘DAILY’, what does ‘ELJPS’ stand for?