Brain Teaser
Question In a circus, acrobats use a teeterboard to catapult each other into the air, performing somersaults and twists before lan
SolveQuestion A 21×34 rectangle with semicircles joined to each side is inscribed in a circle. Which area is larger? The area of the r
SolveQuestion The six smaller rectangles are labeled by their areas, and they all have integer sides. Which of the following could be t
SolveQuestion The people of the nation Brilliantia are trying to find the length of their coastline. Unfortunately, their coast is jagg
SolveQuestion Dashed arrows mean addition, solid arrows mean multiplication, and the circles must be filled with integers. Which
SolveQuestion Each shape in this puzzle represents a numerical value. The number next to each row or column represents the sum of all o
SolveQuestion Sara’s little brother broke her favorite fan and now it’s a bit deformed. The angles AFB and BFC are e
SolveQuestion Chris and Daniel have a deck of 15 cards. It consists of 12 black cards and 3 red cards consecutively placed at a random
SolveQuestion In this cryptogram, different letters correspond to different digits, and leading digits cannot be 0. What digit i
SolveQuestion If this mobile is balanced, what’s the total mass of the four ornaments? 8 10 12 15
SolveQuestion Each letter represents a different digit. What is WIN?
SolveQuestion In the latest elections for the mayor of Brilliant Village,12,343 citizens voted for one of the six candidates, and each
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