Brain Teaser

Question You have one container that holds 9 liters and another that holds 12 liters. The smaller container already has 4 liters o

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Question A three-legged creature has an unorganized sock drawer with 4 red socks, 6 blue socks, and 8 yellow socks. The creature r

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Question Three rectangles have areas of 72, 80, and 130. We arrange them so they overlap, as shown. What is the total shaded area?

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Question Using the rules below, you’d like to be able to trace the figure. You can start at any intersection point on the fi

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Question Lin, Malik, Nia, Ophelia, and Pradeep live on different streets in the same neighborhood.   The following informatio

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Question All circles in the dartboard have the same center. Each circle has half the radius of the previous circle. The colors alt

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Question 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

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Question Edgar and Beatrix are playing the “100” game, with the following rules: What is the measure of the green angl

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Question You have one container that holds 15 liters and another that holds 9 liters. The larger container already has 11 liters o

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Question Areas Each number inside a colored region is the area of that region. What is the value of x? 17 18 19 20

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Question The four puzzle pieces in the image fit into the 4×4 grid without rotation or reflection. Based on these clues, find

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Question The fuel used to propel spaceships can’t depend on atmospheric oxygen as a reactant, since they might not be operat

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