Question

An infinite number of mathematicians walk into a bar. The first one orders a beer. The second one orders half a beer. The third one orders one third of a beer. You get the idea. How much beer did the bartender pour?

Answer 1

an infinite amount

Answer 2

\[\sum_{k=1}^{\infty}\frac{1}{k}\] is the well knowd divergent harmonic series

Answer 3

so it won't fit in two glasses?