There is a tree with 100 branches. How many nests, eggs and birds are there?

Individual problems from throughout mathematics history, as well as articles that include problem sets for students.

There is a tree with 100 branches. How many nests, eggs and birds are there?

A lady being asked how old she was at the time of her marriage replied that the age of her oldest son was 13; that he was born 2 years after her marriage...

Two men starting from the same point begin walking in different directions. Their rates of travel are in the ratio 7:3.

How a translation of Peano's counterexample to the 'theorem' that a zero Wronskian implies linear dependence can help your differential equations students

The cost per hour of running a certain steamboat is proportional to the cube of its velocity in still water. At what speed should it be run to make a trip up stream against a four-mile current most economically?

There is a mound of earth in the shape of a frustum of a cone.

Divide 100 loaves of bread among 10 men including a boatman, a foreman, and a doorkeeper, who receives double portions. What is the share of each?

Discussion of 15th century French manuscript, with translation of its problems, including one with negative solutions

A set of n disjoint, congruent circles packs the surface of a sphere S so that each region of the surface exterior to the circles is bounded by arcs of three of the circles.

A gentleman has a garden of rectangular form and wants to construct a walk of equal width half way round to take up half the garden. What must be the width of this walk?