Number Series, Coding and DecodingMCQPYQ Jan 21Question 2091 of 217
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In a certain code RIPPLE is written as 613382, and LIFE is written as 8192. How will RIFFLE be written in that code?

Options

A618892
B689912
C619982
D629981
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Correct Answer

✅ Option c — 619982

All Options:

  • A618892
  • B689912
  • C619982
  • D629981

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Detailed Solution & Explanation

To find the code for the word **RIFFLE** based on the given codes **RIPPLE** =613382\displaystyle = 613382 and **LIFE** =8192\displaystyle = 8192, let us extract the direct letter-to-digit mappings:

From **RIPPLE** =613382\displaystyle = 613382:
- R→6\displaystyle R \to 6
- I→1\displaystyle I \to 1
- P→3\displaystyle P \to 3
- L→8\displaystyle L \to 8
- E→2\displaystyle E \to 2

From **LIFE** =8192\displaystyle = 8192:
- L→8\displaystyle L \to 8
- I→1\displaystyle I \to 1
- F→9\displaystyle F \to 9
- E→2\displaystyle E \to 2
*(We note that all common letter mappings between the two words are perfectly consistent).*

Now, we apply these mappings to the word **RIFFLE**:
- R→6\displaystyle R \to 6
- I→1\displaystyle I \to 1
- F→9\displaystyle F \to 9
- F→9\displaystyle F \to 9
- L→8\displaystyle L \to 8
- E→2\displaystyle E \to 2

Putting the digits together in sequence, the code for **RIFFLE** is **619982**.

Hence, **Option C** 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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