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mediumQ. No. 16449-in-a-certain-code-cloud-is-written-as-dclou-how-will-stone-be-written-in-that-code

In a certain code, CLOUD is written as DCLOU. How will STONE be written in that code?

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This bilingual Coding-Decoding question tests the exact transformation used in “In a certain code, CLOUD is written as DCLOU. How will STONE be written in that code?”. It requires the learner to align letter positions, identify a one-place right rotation, apply the rule consistently and verify ESTON against every position.

AUVQPG
BRSNMD
CESTON
DTUPOF
Correct Answer: ESTONYour Answer: C

Explanation

The verified answer to “In a certain code, CLOUD is written as DCLOU. How will STONE be written in that code?” is ESTON, option C. The source working states: Correct answer: ESTON (Option D). Apply the same unchanged rule to STONE: S→E, T→S, O→T, N→O, E→N. Therefore the required code is ESTON. Wrong options: TUPOF is wrong because it does not reproduce the verified rule at every position; UVQPG is wrong because it does not reproduce the verified rule at every position; RSNMD is wrong because it does not reproduce the verified rule at every position. Even one mismatched position invalidates a code, so only Option D is correct. This observation must be confirmed across every available letter position or every consecutive term before it is applied to the missing code. Applying the verified rule to the target expression produces ESTON. The alternatives UVQPG, RSNMD and TUPOF fail because at least one position does not obey the same transformation. A useful final check is to map ESTON backward through the inverse operation and confirm that the original target is recovered.

Important Notes

  • The exact rule used in “In a certain code, CLOUD is written as DCLOU. How will STONE be written in that code?” is a one-place right rotation.
  • The codes UVQPG, RSNMD, TUPOF fail at one or more positions in “In a certain code, CLOUD is written as DCLOU. How will STONE be written in that code?”.
  • Apply the inverse rule to ESTON and recover the target from “In a certain code, CLOUD is written as DCLOU. How will STONE be written in that code?”.

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FAQ

Coding Decoding FAQs

Common questions and clear answers for this topic.

What is the verified answer to “In a certain code, CLOUD is written as DCLOU. How will STONE be written in that code?”?

ESTON, option C.

Which coding rule is applied?

The question uses a one-place right rotation.

Why are the other options incorrect?

UVQPG, RSNMD, TUPOF violate the verified transformation at one or more positions.

How can the code be checked?

Apply the inverse transformation to the selected code and verify the original target.

What is Coding Decoding in Logical Reasoning?

Coding Decoding is a type of Logical Reasoning question where words or letters are coded in a specific pattern and you need to decode them. For example if CAT is coded as FDW then each letter is shifted by 3 positions. It is one of the most important topics in SSC CGL, Bank PO, IBPS, and Railway competitive exams.

What are the types of Coding Decoding questions in competitive exams?

Types of Coding Decoding questions: Letter Coding (letters replaced by other letters), Number Coding (words coded as numbers), Symbol Coding (letters replaced by symbols), Mixed Coding (combination of numbers and letters), and Coding by Analogy. All these types are asked in SSC CGL, RRB NTPC, and Bank exams.

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