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5 friends are playing a game, passing a basketball back and forth. At each turn, the person with the ball randomly passes it to another person (one cannot pass the ...

The square above has a side length of 10. Calculate the blue area.

A person is standing with a gun on a building of height \(960\) m and \(960\) m away from the edge. He can fire the bullet with a maximum velocity ...

A talking parrot knows how to utter five distinct words, and she utters any of them with even chance. How many words does she utter on average before she utters ...

Let \(p(x)\) be a polynomial of degree 4 with real coefficients satisfying \(p(0)=0\), \(p(1)=\dfrac{1}{2}\), \(p(2)=\dfrac{2}{3}\), ...

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