IQ Challenge 9 / 10
Spatial
A solid 3 × 3 × 3 cube is built from 27 small cubes. Remove the central small cube from each of its six faces. How many small cubes remain?
About this quiz
Ten puzzles. One result to reveal. Try number sequences, word relationships, deduction and spatial reasoning, starting with a warm-up and building to the trickiest questions.
How to play
- 1 Look for patterns and relationships. Every clue you need is on the screen.
- 2 Choose one of four answers for each puzzle. There is no timer and speed is not scored.
- 3 Finish all ten to reveal your quiz IQ estimate and the explanation for every puzzle.
A fun IQ-style quiz, not a standardised assessment. Your entertainment estimate uses preset score bands; nine or ten correct unlocks 140+.