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# Challenge

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How do we find the number of trailing zeros in a factorial?- Published on

In the context of milk bottle production, the Department of Public Health requires a random sample of k bottles from your factory.- Published on

You have a basketball hoop and someone says you can play 1 of 2 games.- Published on

There are three ants on different vertices of a triangle. What is the probability of collision (between any two or all of them) if they start walking on the sides of the triangle?