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Problems from Another Time

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

A ladder has 100 steps. On the first step sits 1 pigeon; on the second, 2; on the third, 3; and so on up to the hundredth. How many pigeons in all?
Discussion of 15th century French manuscript, with translation of its problems, including one with negative solutions
Heron of Alexandria (c. 10 - 75 CE) wrote on many aspects of applied mathematics.
Prove that a square circumscribed about a given circle is double in area to a square inscribed in the same circle.
Find the isosceles triangle of smallest area that circumscribes a circle of radius a.
What will the diameter of a sphere be, when its volume and surface area are expressed by the same number?
Knowing the base, b, and the altitude, a, of a triangle, find the expression for a side of the inscribed square.
Three men wish to buy a horse but none have a sufficient amount of money for the purchase; to do so, they must borrow from each other. How much money does each man have and what is the price of the horse?
A railway train strikes a snowdrift which creates a constant resistance. How long does it take the snow to stop the train?
Wanting to know the breadth of a river, I measured a base of 500 yards in a straight line close by one side of it.

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