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Imagine you are a Galvanian creature in the exoplanet of Galvan. This planet is known for its frequent quakes and how they have terrified the Galvanian civilization for millions of ...

In the picture bellow: the bear want to go to the cell containing the honey jar, each time he move he go either to the up-left cell or up-right cell ...

Perpetua is a machine that generates numbers between 1 to 10 that can only consist of the digits 4 and 6 every time the machine is made to run. The ...

An entertainment agency has seven trainees. Each of the trainees does at least one of dancing, singing, and rapping, and no two trainees have the same skill set. How many ...

You have twice as many white socks as black socks in your sock drawer. If the probability of randomly picking $2$ matched socks (without replacement) is the same as the ...

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