Identify the odd item: Three are basic stationery tools for writing/erasing (Pencil, Eraser, Sharpener). One is an electronic computation device. Choose the outlier.
Verbal Reasoning
Classification
Difficulty: Easy
Choose an option
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ASharpener
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BCalculator
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CEraser
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DPencil
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ENone of these
Answer
Correct Answer: Calculator
Explanation
Introduction / Context:Object classification can hinge on function and technology (manual vs electronic).
Given Data / Assumptions:
- Pencil → writing implement.
- Eraser → removes pencil marks.
- Sharpener → maintains pencil point.
- Calculator → electronic computation device.
Concept / Approach:Group by function: three form a writing kit; one is a separate electronic tool.
Step-by-Step Solution:
Pencil, Eraser, Sharpener → manual stationery trio.Calculator → electronic, not directly part of the write/erase cycle.Verification / Alternative check:Ask which item requires power/electronics; only the Calculator does.
Why Other Options Are Wrong:They are functionally integrated with writing by pencil.
Common Pitfalls:Treating all as “school items” without considering functional grouping.
Final Answer:Calculator is the odd item.