Brain Teaser
Question Two trains, each traveling at a speed of 50 km/h, are headed toward each other on the same track. At the exact moment the
SolveQuestion What is the measure of the missing angle? 10∘ 15∘ 20∘ 25∘ Like these puzzles? For a limited time, MIT alumni and
SolveQuestion A geomagic square is a square grid with a shape in each cell such that the shapes of each row, column, and diagonal can b
SolveQuestion Suppose we have two jars of candies: jar A has 400 red candies and jar B has 200 green candies. We then perform the follo
SolveQuestion Nalani and Violet are treating themselves to ice cream at their favorite Jen & Berry’s. First, they choose one
SolveQuestion Which triangle has an area of 1? A B C D E Like these puzzles? For a limited time, MIT alumni and friends can get 20% off
SolveQuestion The neuron below has 4 inputs: two positive (green) and two negative (pink). We can make different logic gates by using d
SolveQuestion What is the sum of the measures of the three pink angles, ∠A+∠B+∠C? 90∘ 100∘ 110∘ 120∘ Like these puzzles?
SolveQuestion In a circle puzzle, dashed arrows mean to add and solid arrows mean to multiply. Only integers are allowed. What number g
SolveQuestion Which of these can be formed by taking cross-sections of a donut (torus) like the one shown? Select one or more: A B C D
SolveQuestion The length of all the blue segments is 5. The length of all the yellow segments is 6. The length of all the orange segmen
SolveQuestion The cards shown have colored hearts, numbers, or letters printed on them on either side. How many cards need to be turned
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