Number Series, Coding and DecodingMCQMTP May 18Question 2109 of 217
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If GARDEN is coded as 325764 and WATER as 92165, how can we code the word WARDEN in the same way?

Options

A925764
B295764
C952764
D957264
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Correct Answer

✅ Option a — 925764

All Options:

  • A925764
  • B295764
  • C952764
  • D957264

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Detailed Solution & Explanation

We can determine the code for each letter using direct substitution from the given examples:
From the word GARDEN→325764\displaystyle GARDEN \rightarrow 325764, we get:
G=3\displaystyle G = 3, A=2\displaystyle A = 2, R=5\displaystyle R = 5, D=7\displaystyle D = 7, E=6\displaystyle E = 6, N=4\displaystyle N = 4

From the word WATER→92165\displaystyle WATER \rightarrow 92165, we get:
W=9\displaystyle W = 9, A=2\displaystyle A = 2, T=1\displaystyle T = 1, E=6\displaystyle E = 6, R=5\displaystyle R = 5

The overlapping letters (A\displaystyle A, R\displaystyle R, and E\displaystyle E) have matching codes in both words (A=2\displaystyle A = 2, R=5\displaystyle R = 5, E=6\displaystyle E = 6).

Now, let's find the code for the word WARDEN\displaystyle WARDEN:
W→9\displaystyle W \rightarrow 9
A→2\displaystyle A \rightarrow 2
R→5\displaystyle R \rightarrow 5
D→7\displaystyle D \rightarrow 7
E→6\displaystyle E \rightarrow 6
N→4\displaystyle N \rightarrow 4

Putting it all together, the code for WARDEN\displaystyle WARDEN is 925764\displaystyle 925764.

Hence, **Option A** 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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