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UKMT Junior Kangaroo, 2015

Geometry Difficulty 2.0 Junior Find the answer United Kingdom

The diagram above shows the front and right-hand views of a solid made up of cubes of side 3 cm. The maximum volume that the solid could have is $V\text{ cm}^3$ . What is the value of $V$ ?

(A) $162$ (B) $216$ (C) $324$ (D) $540$ (E) $648$

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