Which colored shape from the bottom row should be placed instead of the question mark in order to complete the topmost sequence?
When spelled, each colored shape in the top pattern consists of 12 letters: GREEN HEXAGON, BLUE TRIANGLE, ORANGE CIRCLE.
The options consist of the following numbers of letters:
BROWN RECTANGLE = 14
YELLOW SQUARE = 12
PURPLE RHOMBUS / DIAMOND = 13
RED PENTAGON = 11
PINK TRAPEZOID / TRAPEZIUM = 13
Thus, YELLOW SQUARE completes the sequence.