Brain Teaser

What's the minimum number of straight cuts required to cut a circle into 7 regions of equal area? There are a number of ways t


The area of the whole rectangle is 160 and the area in red is 12. What is the area in green?


Seven identical regular hexagons are arranged in a honeycomb pattern. If each hexagon has area 8, what is the area of the red tria


Magnus, Garry, and Fabiano are playing in a badminton event. In this event, after two players face off for a set, the winner stays

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