Find wrong number of the series $22, 37, 52, 67, 84, 97$
Select Your Answer (Keyboard: A, B, C, D)
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Number Series, Coding and DecodingMCQMTP Nov. 20Question 2185 of 217
All Questions Correct Answer
✅ Option b — $84$
All Options:
- A$52$
- B$84$
- C$97$
- D$67$
Detailed Solution & Explanation
Let's calculate the difference between consecutive terms in the series:
- $37 - 22 = 15\displaystyle <br>- $52 - 37 = 15
- $67 - 52 = 15+15\displaystyle continues:<br> - The next term should be $67 + 15 = 82.
- The term after that should be $82 + 15 = 97\displaystyle (which is correct).<br><br>The series should form an arithmetic progression: $22, 37, 52, 67, 82, 97. The term $84$ violates this pattern and is the wrong term.
Hence, **Option B** is the correct answer.
- $37 - 22 = 15\displaystyle <br>- $52 - 37 = 15
- $67 - 52 = 15+15\displaystyle continues:<br> - The next term should be $67 + 15 = 82.
- The term after that should be $82 + 15 = 97\displaystyle (which is correct).<br><br>The series should form an arithmetic progression: $22, 37, 52, 67, 82, 97. The term $84$ violates this pattern and is the wrong term.
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 SyllabusExam Strategy Tip
This topic carries 5 Marks weightage. Focus on understanding core concepts rather than memorizing.
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