Number Series, Coding and DecodingMCQPYQ Sep 24Question 2107 of 217
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In a certain code, RIPPLE is written as 613382 and LIFE is written as 8192. How is PILLER written in that code?

Options

A318826
B318826
C618826
D338816
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Correct Answer

✅ Option b — 318826

All Options:

  • A318826
  • B318826
  • C618826
  • D338816

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Detailed Solution & Explanation

We can determine the numerical code for each letter using direct substitution from the given words:
From the word RIPPLE→613382\displaystyle RIPPLE \rightarrow 613382, we get:
R=6\displaystyle R = 6, I=1\displaystyle I = 1, P=3\displaystyle P = 3, L=8\displaystyle L = 8, E=2\displaystyle E = 2

From the word LIFE→8192\displaystyle LIFE \rightarrow 8192, we get:
L=8\displaystyle L = 8, I=1\displaystyle I = 1, F=9\displaystyle F = 9, E=2\displaystyle E = 2

Note that the letters common to both words (I\displaystyle I, L\displaystyle L, and E\displaystyle E) have consistent codes: I=1\displaystyle I = 1, L=8\displaystyle L = 8, and E=2\displaystyle E = 2.

Now, let's find the code for the word PILLER\displaystyle PILLER by substituting the values of each letter:
P→3\displaystyle P \rightarrow 3
I→1\displaystyle I \rightarrow 1
L→8\displaystyle L \rightarrow 8
L→8\displaystyle L \rightarrow 8
E→2\displaystyle E \rightarrow 2
R→6\displaystyle R \rightarrow 6

Putting it all together, the code for PILLER\displaystyle PILLER is 318826\displaystyle 318826.

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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