Find out the odd pair from the following:

RRB Staff Nurse Jaipur-6th June 2018

Reasoning

Medium

Appeared in: RRB Staff Nurse Jaipur-6th June 2018

Explanation

The relationship in 'Potato - Curry' is that of an 'Ingredient - Dish', where a potato is used to make curry.
The other three pairs ('Man - Male', 'Lemon - Citrus Fruit', 'Lotus - Flower') all share a common relationship: 'Entity - Category'.
In each of these pairs, the first word is a specific example or member of the broader category named by the second word.
Because the 'Potato - Curry' pair follows a different logical pattern (Ingredient - Dish) than the others, it is the odd one out.

Option B: This pair follows the common 'Entity - Category' rule. A 'man' is a member of the 'male' category. It is not the odd one out.
Option C: This pair follows the common 'Entity - Category' rule. A 'lemon' is a member of the 'citrus fruit' category. It is not the odd one out.
Option D: This pair follows the common 'Entity - Category' rule. A 'lotus' is a member of the 'flower' category. It is not the odd one out.

Visual 1: Infographic - A simple chart showing two columns. One column lists 'Entity' (Man, Lemon, Lotus) and the other lists 'Category' (Male, Citrus Fruit, Flower). A separate box shows 'Ingredient' (Potato) pointing to 'Dish' (Curry) to highlight the different relationship.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Logical Reasoning: Classification and Analogy as background academic context rather than a clinical decision trigger.
This question tests logical reasoning and pattern recognition, which are foundational skills for nurses.
Nurses use pattern recognition daily to identify subtle changes in a patient's condition, connect symptoms to potential diagnoses (e.g., recognizing a cluster of symptoms as a specific syndrome), and differentiate between expected and unexpected outcomes.
What if the pairs were 'Doctor - Hospital' and 'Teacher - School'? This introduces a 'Person - Workplace' relationship, requiring the test-taker to re-evaluate the patterns among all options to find the new odd one out.

How to Approach the Question

First, read the question carefully to understand the task, which is to find the 'odd pair'.
Examine the relationship between the two words in the first pair (e.g., Potato and Curry). Formulate a sentence that connects them: 'A potato is an ingredient in curry.'
Apply the same process to the remaining pairs. 'A man is a type of male.' 'A lemon is a type of citrus fruit.' 'A lotus is a type of flower.'
Compare the relationships you've identified. Notice that three pairs share a 'type of' or 'member of a category' relationship.
Identify the one pair whose relationship is different. In this case, the 'ingredient in a dish' relationship is unique.
Select the pair with the unique relationship as the correct answer.

Concept Tested & Keywords

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