Math

Computers store information using bits. A bit (short for "binary digit") stores either the value 0 or 1. When we have only two choices, we can use a bit.

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

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

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

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?