Logical Reasoning – Classification Question-45

Which among the following does not belong in the same group as others?
[A]Quartzite
[B]Slate
[C]Marble
[D]Gneiss
[E]Shale

Shale
In this question, all except shale are metamorphic rocks, while shale is a sedimentary rock. Hence, the answer is Shale.

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