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Problems from Another Time

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

Two men have a certain amount of money. The first says to the second, "If you give me 5 denari, I will have 7 times what you have left."
If a ladder, placed 8 ft. from the base of a building 40 ft. high, just reached the top, how far must it be placed from the base of the building that it may reach a point 10 ft. from the top?
If I were to give 7 pennies to each beggar at my door, I would have 24 pennies left in my purse. How many beggars are there and how much money do I have?
Assume that the human population after the flood was 6 and that 200 years later the population was 1,000,000. Find the annual growth of the population.
A horse halving its speed every day runs 700 miles in 7 days.
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
How a translation of Peano's counterexample to the 'theorem' that a zero Wronskian implies linear dependence can help your differential equations students
A cliff with a tower on its edge is observed from a boat at sea; find the height of the cliff and the tower.
Rabbits and pheasants are put in a basket.
Now there are six-headed four-legged animals and four-headed two-legged birds placed together.