Number Series, Coding and DecodingMCQMTP Nov 21Question 2125 of 217
All Questions

If 'SYSTEM' is coded as 131625 then 'TERMS' will be coded as ?

Options

A62251
B62451
C62415
D62415
For any discrepancies in this question, email contact@cadada.in

Correct Answer

✅ Option b — 62451

All Options:

  • A62251
  • B62451
  • C62415
  • D62415

Ad

Detailed Solution & Explanation

We can determine the digit for each letter using direct substitution from the given word SYSTEM→131625\displaystyle SYSTEM \rightarrow 131625:
S=1\displaystyle S = 1
Y=3\displaystyle Y = 3
S=1\displaystyle S = 1
T=6\displaystyle T = 6
E=2\displaystyle E = 2
M=5\displaystyle M = 5

Now, let's find the code for the word TERMS\displaystyle TERMS:
- T→6\displaystyle T \rightarrow 6
- E→2\displaystyle E \rightarrow 2
- R→\displaystyle R \rightarrow Unknown digit (not present in SYSTEM\displaystyle SYSTEM)
- M→5\displaystyle M \rightarrow 5
- S→1\displaystyle S \rightarrow 1

The coded word must follow the pattern 6251\displaystyle 62\\_51, where the middle digit is unknown. Let's compare this with the given options:
- Option A: 62251\displaystyle 62251 (assigns 2\displaystyle 2 to R\displaystyle R, but 2\displaystyle 2 is already assigned to E\displaystyle E)
- Option B: 62451\displaystyle 62451 (assigns 4\displaystyle 4 to R\displaystyle R, which is a new digit)
- Option C & D: 62415\displaystyle 62415 (does not match the pattern)

Therefore, the only logically consistent code is 62451\displaystyle 62451, where R=4\displaystyle R = 4.

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.

Related Comparison Tables

Cardinal vs Ordinal Utility: Measuring SatisfactionPromissory Note vs Bill of Exchange: Negotiable Instruments

More Questions from Number Series, Coding and Decoding

The number in place of question mark in: 7,26,63,124,215,?,511\displaystyle 7, 26, 63, 124, 215, ?, 511 is

Find missing term 7,26,63,124,215,342,?\displaystyle 7, 26, 63, 124, 215, 342, ?

Which number should come next 7,26,63,124,215,342,?\displaystyle 7, 26, 63, 124, 215, 342, ?

If CLOCK is coded as 34235 and TIME as 8679, then MOTEL is coded as:

If MOUSE, is coded as 34651 and KEY is coded as 217, then how will YES be coded?

In a certain code language PREMONITION is written as 68530492904\displaystyle 68530492904, how will the word MONITOR be written in that code language?

Ready to Master Number Series, Coding and Decoding?

Practice all 217 questions with instant feedback, earn XP, track your streaks, and ace your CA Foundation exam.

Start Practicing — It's Free