roughworks

UCEED 2019

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Q2.X1 is a 3D form generated from the shape X, using certain 3D operations. It has 11 surfaces in total. If the same operations are carried out on shape Y, how many surfaces would the resulting 3D form have?

UCEED2019Q1·nat·Medium146 attempts

Shown below are sole designs of slippers, of which some are matched-pairs (one left foot and one right foot). Identify the total number of matched-pairs in the image.

Keyboards off — use the numpad, just like on exam day.