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Problems from Another Time

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

On an expedition to seize his enemy's elephants, a king marched 2 yojanas the first day.
In a right triangle, let the perpendicular be 5 and the sum of the base and hypotenuse 25. Find the lengths of the base and hypotenuse
A copper water tank in the form of a rectangular parallelopiped is to made. If its length is to be a times its breadth, how high should it be that for a given capacity it should cost as little as possible?
A cliff with a tower on its edge is observed from a boat at sea; find the height of the cliff and the tower.
A ladder is placed perpendicular to the plane of the horizon, and in coincidence with the plane of an upright wall.
What it took to get an 8th grade education in 1895
Two wine merchants enter Paris, one of them with 64 casks of wine, the other with 20.
A lion, a wolf and a fox each take a certain amount of time to eat a goat separately. How long would it take all these animals together to eat the goat?
The three sides of a triangular piece of land, taken in order, measure 15, 10, and 13 chains respectively.
The authors recount the 'great tale' of Napier's and Burgi's parallel development of logarithms and urge you to use it in class.

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