Which one of the following stands odd?

Appeared in: NCL (MP) Nursing Officer - 2019

Explanation

The question asks to identify the item that does not belong to the group.
Bus, Scooter, and Car are all categorized as motor vehicles because they are powered by an engine that consumes fuel (like petrol, diesel, or electricity).
A Bicycle is the only option that is a human-powered vehicle, relying on the rider's physical effort to move.
Therefore, the bicycle is the odd one out based on the mode of propulsion.

Option A: A bus is a motor vehicle that runs on fuel, which is a characteristic it shares with a car and a scooter.
Option B: A scooter is a motor vehicle that runs on fuel, similar to a bus and a car.
Option C: A car is a motor vehicle that runs on fuel, fitting in with the group that includes a bus and a scooter.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Odd One Out (Classification) as background academic context rather than a clinical decision trigger.
This type of question assesses logical reasoning and the ability to classify information, which are foundational cognitive skills for nurses.
Nurses use classification skills daily to categorize patient symptoms, prioritize care, and differentiate between medication types.
Strong analytical skills help in making quick, accurate decisions in complex clinical situations.

How to Approach the Question

First, carefully examine all the given options: Bus, Scooter, Car, and Bicycle.
Identify a common characteristic or relationship that links most of the options together. In this case, three of the four are vehicles that run on fuel.
Look for the option that does not share this common characteristic. The bicycle is powered by human effort, not fuel.
This difference makes the bicycle the 'odd one out'.
Confirm your logic. The classification is based on the power source (motorized vs. human-powered).

Concept Tested & Keywords

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Practise the full NCL (MP) Nursing Officer - 2019

Attempt every question from this paper in a timed mock, then review the full solution for each one.