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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 horse halving its speed every day runs 700 miles in 7 days.
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?
How a translation of Peano's counterexample to the 'theorem' that a zero Wronskian implies linear dependence can help your differential equations students
A teacher agreed to teach 9 months for $562.50 and his board. At the end of the term, on account of two months absence caused by sickness, he received only $409.50. What was his board worth per month?
Rabbits and pheasants are put in a basket.
Find the isoceles triangle of smallest area that circumscribes a circle of radius 1.
Discussion of 15th century French manuscript, with translation of its problems, including one with negative solutions
In a right triangle, the hypotenuse is 9.434 and the sum of the sides around the right angle is 13. Find the lengths of the sides around the right angle.
There is a number which when divided by 2, or 3, or 4, or 5, or 6 always has a remainder of 1 and is truly divisible by 7. It is sought what is the number?
Four men already having denari found a purse of denari; each man has a different amount of denari before they found the purse. Find out how much denari each man has.

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