Estimation question

How many hexagons are there on a football?

Practice this question out loud. An AI interviewer asks it, follows up like a real interviewer would, and scores your answer. Type or speak.

What this question tests

Basic geometric estimation using known facts about a standard object, checking whether you can recall or reason to a correct structural count.

Recall the structure of a standard soccer ball, a truncated icosahedron pattern made of pentagon and hexagon panels stitched together.
State the known counts: a standard ball has 12 pentagon panels and 20 hexagon panels, based on the classic Buckminster Fuller-style design.
If unsure of the exact figure, reason geometrically: a truncated icosahedron has 12 pentagonal faces and 20 hexagonal faces by definition of the shape.
Confirm this matches the visual pattern most people recognize, black pentagons surrounded by white hexagons on a classic ball.
State the answer clearly: 20 hexagons on a standard soccer ball.
Note that modern balls sometimes use different panel counts and shapes, so flag this as the classic design assumption.

Correctly identifies the truncated icosahedron geometry as the basis for the answer, rather than guessing a round number.
States the answer precisely, 20 hexagons and 12 pentagons, rather than a vague approximation.
Flags that modern ball designs vary, showing awareness that the 'classic' answer isn't universal across all soccer balls.

Guessing a random round number with no geometric reasoning behind it.
Confusing pentagon and hexagon counts, or not distinguishing between the two panel types at all.

Chapters of the AI PM course that teach what this question tests.