Brain Teaser
Question Three rectangles have areas of 72, 80, and 130. We arrange them so they overlap, as shown. What is the total shaded area?
SolveQuestion Using the rules below, you’d like to be able to trace the figure. You can start at any intersection point on the fi
SolveQuestion Lin, Malik, Nia, Ophelia, and Pradeep live on different streets in the same neighborhood. The following informatio
SolveQuestion All circles in the dartboard have the same center. Each circle has half the radius of the previous circle. The colors alt
SolveQuestion Two squares with side lengths 4 and 6 are arranged side by side. Which value is the closest to the area of the yellow reg
SolveQuestion Edgar and Beatrix are playing the “100” game, with the following rules: What is the measure of the green angl
SolveQuestion You have one container that holds 15 liters and another that holds 9 liters. The larger container already has 11 liters o
SolveQuestion Areas Each number inside a colored region is the area of that region. What is the value of x? 17 18 19 20
SolveQuestion The four puzzle pieces in the image fit into the 4×4 grid without rotation or reflection. Based on these clues, find
SolveQuestion The fuel used to propel spaceships can’t depend on atmospheric oxygen as a reactant, since they might not be operat
SolveQuestion Your twin leaves you on Earth and flies away at 0.8c0.8c0.8c, then turns around nearly instantaneously and returns at the
SolveQuestion Angles of the same color have the same measure. What is the measure of the green angle? 30° 35° 40° 45°
Solve