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Which word is different: Pen, Pencil, Paper, Eraser?
Pen
Pencil
Paper
Eraser
Paper
Identify the functional role of the items; classify them as either writing instruments (tools) or the medium (surface) used for writing.
Identify the functional role of the items; classify them as either writing instruments (tools) or the medium (surface) used for writing.
Analyze the utility of the items
Pen, Pencil, and Eraser are all stationary tools used in the process of creating or correcting writing on a surface.
Categorize the items
Pen (writing tool), Pencil (writing tool), and Eraser (correcting tool) belong to the category of instruments. Paper is the medium/surface upon which these instruments are used.
A: Pen is a writing tool used for marking. B: Pencil is a writing tool used for marking. D: Eraser is a correcting tool used to remove markings.
C is correct because Paper is the only item in the list that serves as a medium/surface, whereas the other three are instruments used to interact with that surface.
In classification questions, look for the 'functional' relationship. If three items are used to perform an action on a fourth item, the fourth item is almost always the odd one out.