Q. Which one is the odd one out? (2023)
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A.
Diamond
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B.
Graphite
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C.
Silicon
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D.
Coal
Solution
Silicon is a metalloid, while the others are forms of carbon.
Correct Answer: C — Silicon
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Q. Which shape is the odd one out? Circle, Square, Triangle, Rectangle (2020)
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A.
Circle
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B.
Square
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C.
Triangle
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D.
Rectangle
Solution
Circle is the only shape without straight edges.
Correct Answer: A — Circle
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