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UKMT Junior Mathematical Challenge, 2022

Geometry Difficulty 2.0 Junior Find the answer United Kingdom

A triangular pyramid with vertices $T$ , $U$ , $V$ and $Q$ is removed from the solid cube shown. How many edges does the remaining solid have?

(A) $4$ (B) $6$ (C) $8$ (D) $10$ (E) $12$

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