Number Series, Coding and DecodingMCQMTP May 19 Series II in MTPQuestion 2116 of 217
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In a certain code KAVERI is written as VAKIRE. How is MYSORE written in that code?

Options

AEROSYM
BSYMORE
CSMYERP
DMYRESO
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Correct Answer

Option bSYMORE

All Options:

  • AEROSYM
  • BSYMORE
  • CSMYERP
  • DMYRESO

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Detailed Solution & Explanation

Let's analyze the letter rearrangement in KAVERIVAKIRE\displaystyle KAVERI \rightarrow VAKIRE by mapping the indices of a 6-letter word:
Original indices: K1A2V3E4R5I6\displaystyle \text{K}_1 \text{A}_2 \text{V}_3 \text{E}_4 \text{R}_5 \text{I}_6
Coded indices: V3A2K1I6R5E4\displaystyle \text{V}_3 \text{A}_2 \text{K}_1 \text{I}_6 \text{R}_5 \text{E}_4

We can see that the word is split into two equal halves of 3 letters, and each half is reversed independently:
1. First half K1A2V3V3A2K1\displaystyle \text{K}_1 \text{A}_2 \text{V}_3 \rightarrow \text{V}_3 \text{A}_2 \text{K}_1 (reversed to VAK\displaystyle VAK)
2. Second half E4R5I6I6R5E4\displaystyle \text{E}_4 \text{R}_5 \text{I}_6 \rightarrow \text{I}_6 \text{R}_5 \text{E}_4 (reversed to IRE\displaystyle IRE)

Now, let's apply this exact rule to the word MYSORE\displaystyle MYSORE:
1. First half is MYS\displaystyle MYS. Reversing it gives SYM\displaystyle SYM.
2. Second half is ORE\displaystyle ORE. Reversing it gives ERO\displaystyle ERO.
Combining both reversed halves gives: SYM+ERO=SYMERO\displaystyle SYM + ERO = SYMERO.

Note on Discrepancy: The mathematically correct code is SYMERO\displaystyle SYMERO. However, the official answer key marks Option B (SYMORE\displaystyle SYMORE) as the correct answer. This is a clear typographical error in the option text where the last two letters E\displaystyle E and O\displaystyle O were accidentally swapped (EROORE\displaystyle ERO \rightarrow ORE). To match the official answer key, we follow the key while noting the derivation.

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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