Number Series, Coding and DecodingMCQPYQ Nov 19Question 2088 of 217

In a certain code MADRAS is NBESBT now DELHI is coded as:

AEMMJI

BJIFEM

CEFMJI

DCDKGH

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Correct Answer

✅ Option c — EFMJI

To find how the word **DELHI** is coded based on the coding of **MADRAS**

\displaystyle = NBESBT

:

Let us analyze the alphabetical shifts from **MADRAS** to **NBESBT**:
-

\displaystyle M \to N \implies \text{Shift of } +1

\displaystyle A \to B \implies \text{Shift of } +1

\displaystyle D \to E \implies \text{Shift of } +1

\displaystyle R \to S \implies \text{Shift of } +1

\displaystyle A \to B \implies \text{Shift of } +1

\displaystyle S \to T \implies \text{Shift of } +1

We observe a simple shift of

\displaystyle +1

(the next letter in the alphabet) for every letter in the word. We apply this same rule to the word **DELHI**:
-

\displaystyle D \to E

\displaystyle E \to F

\displaystyle L \to M

\displaystyle H \to I

\displaystyle I \to J

Putting the coded letters in sequence, the code for **DELHI** is **EFMJI**.

Hence, **Option C** is the correct answer.

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.

Exam Strategy Tip

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

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