Out of the given options, three are similar in a certain manner. However, one option is NOT like the other three. Select the option which is different from the rest?

1. A

   ROU

2. B

   PMS

3. C

   MPJ

4. D

   GDJ

Appeared in: DSSSB - 28 August 2019 (Shift-1)

Explanation

• The correct option is MPJ because it follows a unique alphabetical pattern compared to the other three options.
• The pattern for MPJ is (+3, -6), where the second letter is 3 positions after the first, and the third letter is 6 positions before the second.
• This is different from the consistent pattern of (-3, +6) found in ROU, PMS, and GDJ.
• In ROU, PMS, and GDJ, the second letter is always 3 positions before the first, and the third letter is 6 positions after the second.

Why Other Options Were Wrong

• Option A: ROU is incorrect because it shares a common pattern with two other options. The alphabetical positions are 18, 15, 21, which follows a '-3, +6' sequence.
• Option B: PMS is incorrect because it also follows the common '-3, +6' pattern. The alphabetical positions are 16, 13, 19.
• Option D: GDJ is incorrect as it follows the same '-3, +6' pattern as ROU and PMS. The alphabetical positions are 7, 4, 10.

Related Visual

Clinical Relevance

• Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Logical Reasoning - Odd One Out (Letter Series) as background academic context rather than a clinical decision trigger.
• This type of question tests logical reasoning and pattern recognition, which are key components of the General Intelligence and Aptitude sections of many nursing entrance and recruitment examinations.
• While not a clinical skill, the ability to think logically and systematically is crucial for nurses in problem-solving, prioritizing care, and making sound clinical judgments.
• What if the option was 'M J P'? The positions would be 13, 10, 16. The pattern would be (-3, +6), which would match the other three options, making the question invalid as there would be no odd one out.

How to Approach the Question

• First, analyze the question to understand the task: find the option that does not fit the pattern of the other three.
• Convert the letters in each option to their corresponding numerical positions in the English alphabet (A=1, B=2, etc.).
• For each option, calculate the mathematical difference (the 'jump') between the first and second letters, and between the second and third letters.
• Compare the patterns of differences across all four options.
• Identify the three options that share a common pattern.
• The option with the unique or different pattern is the correct answer.

Concept Tested & Keywords

• Concept Tested: Logical Reasoning - Odd One Out (Letter Series)
• Stem keywords: odd one out, different from the rest, similar in a certain manner
• Lead-in keywords: NOT like the other three, different
• Negative lead-in flag: NOT

Question ID

QR-hBcLyXtyq1Ptg4jgEFE

Copy ID

Reference Book

E6 Psychology Morgan King 9e Part 1 p. 243-245