Number Series, Coding and DecodingPYQ Sept 25Question 4142 of 217
All Questions

If in a certain language, MADRAS is coded as NBESBT. How is DELHI coded in that language?

Options

AEMFIJ
BEFMIJ
CEFMKJ
DEFJMI
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Correct Answer

✅ Option b — EFMIJ

All Options:

  • AEMFIJ
  • BEFMIJ
  • CEFMKJ
  • DEFJMI

Detailed Solution & Explanation

Let us analyze how the word "MADRAS" is coded as "NBESBT": - M →\displaystyle \to N (shifted by +1 letter) - A →\displaystyle \to B (shifted by +1 letter) - D →\displaystyle \to E (shifted by +1 letter) - R →\displaystyle \to S (shifted by +1 letter) - A →\displaystyle \to B (shifted by +1 letter) - S →\displaystyle \to T (shifted by +1 letter)
Each letter of the word is replaced by its succeeding letter in alphabetical order. Let us apply this same pattern to the word "DELHI": - D →\displaystyle \to E - E →\displaystyle \to F - L →\displaystyle \to M - H →\displaystyle \to I - I →\displaystyle \to J
So, "DELHI" is coded as "EFMIJ".
Hence, **Option B** is the correct answer.

About This Chapter: Number Series, Coding and Decoding

Paper

Paper 3: Quantitative Aptitude

Weightage

5 Marks

Key Topics

Number series, Coding & Decoding, Odd man out

This chapter covers Number series, Coding & Decoding, Odd man out and is part of Paper 3: Quantitative Aptitude in the CA Foundation exam.

View Official ICAI Syllabus

Exam Strategy Tip

This topic carries 5 Marks weightage. Focus on understanding core concepts rather than memorizing.

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