## Brain Teaser

Question In New Math City (NMC), streets follow a square grid with integer coordinates. The distance between any two points is com

SolveQuestion Sam and Rafael are playing a game in which they flip a coin repeatedly, comparing the sequence of results to the alternat

SolveQuestion A Sarai takes her dog Seamus to the veterinarian and is given two different medications: When they get home at 12:00, Sar

SolveQuestion A cuboctahedron is a polyhedron with 8 triangular faces and 6 square faces with two squares and two triangles meeting at

SolveQuestion Paul and Robert are preparing a present for their brother’s birthday. If they work together, it’ll take them

SolveQuestion You have one container that holds 15 liters and another that holds 9 liters. You may only use these moves: completely fil

SolveQuestion The three larger squares meet at the center of the small square. How much of the small square is colored? ⅙ ¼ ⅓ ⅜

SolveQuestion The reflector of a long-distance parabolic microphone has a diameter of 2 m and a depth of 0.5 m. How far from the base o

SolveQuestion Julius has three empty, unmarked containers: one that holds 4 liters, one that holds 6 liters, and one that holds 9 liter

SolveQuestion pilot flies her plane so that it is always headed at a 100º angle from her line of sight to her house. Which shape best

SolveQuestion The base of the pink triangle is one third of the square’s side length. If the square has an area of 12, what is th

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