## Brain Teaser

Question Dashed arrows mean to add. If each of the seven circles contains a unique non-negative integer, how many values can the m

SolveQuestion The lower base of this trapezoid is three times as long as its upper base. The area of the yellow triangle equals 45. Wha

SolveQuestion In the pictured triangles, the angle measures are as follows: ∠BAC=y−12° ∠ADB=x+64° ∠ABD=y+10° ∠BDC=x

SolveQuestion The product of Ivy’s, Joshua’s, Kylie’s, and Logan’s ages is 1296. Which of these numbers

SolveQuestion Leticia is writing a test question for her math students. She wants them to find solutions to the equation x+y+z=12, wher

SolveQuestion On a school trip, Otto tries to take a selfie with the bottom of a deep well in the background, but the phone slips out o

SolveQuestion We can arrange the following instructions in six different ways: set X to X plus Y set Y to X minus Y set Z to X times Y

SolveQuestion Nikesh wants to know how much the three textbooks required for the brilliantology course will cost him. By mistake, he re

SolveQuestion A rectangular box of chocolates sits on the ground. Its base is a square of side length 4 inches, while its height is 6 i

SolveQuestion The figure shown is composed of a triangle and a trapezoid and has perimeter 18. What is its total area? 21√3 / 4 23√

SolveQuestion Out of 404 students of Brilliant Language School, 192 learn German, 162 Spanish, and 122 French. Every student learns at

SolveQuestion We want to trace the entire figure shown, using these rules: You can start at any intersection on the figure You cannot l

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