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CEED Preparation

CEED Spatial Reasoning
Practice Questions

CEED spatial reasoning tests your ability to construct and deconstruct 3D forms mentally. You will unfold nets, identify cross-sections of complex solids, and track how geometric transformations change a form. The postgraduate standard means spatial problems in CEED involve more steps and less obvious solutions than in UCEED.

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CEED2026Q7·nat·Hard

A plane passes through three vertices of a cube and divides the cube into two parts, a green part and a blue part, and they remain together, as shown below. Eight such cubes are assembled to create a larger cube, where blue portion is on the inside as shown on the right. Calculate the volume of blue part in the larger cube, if the edge of the original cube is 1 cm.

A plane passes through three vertices of a cube and divides the cube into two parts, a green part and a blue part, and they remain together, as shown below. Eight such cubes are assembled to create a larger cube, where blue portion is on the inside as shown on the right. Calculate the volume of blue part in the larger cube, if the edge of the original cube is 1 cm.

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