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Problems from Another Time

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

If a ball 6 inches in diameter weighs 32 lbs, what will be the weight of a ball 3 inches in diameter?
There is a log 18 feet long, the diameter of the extremities being 1 ft and 2.6 ft respectively...
Find the two numbers such that multiplying one by the other makes 8 and the sum of their squares is 27
Discussion of 15th century French manuscript, with translation of its problems, including one with negative solutions
How high above the earth must a person be raised that he [or she] may see 1/3 of its surface?
A fish sees a heron looking at him from across a pool, so he quickly swims towards the south. When he reaches the south side of the pool, he has the unwelcome surprise of meeting the heron.
Two men start walking at the same time and travel a distance. One is walking faster and completes the journey sooner. How fast did each man travel?
A man and his wife drink a barrel of wine at different rates. Find the rate it takes both of them together to drink the wine.
There is a log of precious wood 18 feet long whose bases are 5 feet and 2.5 feet in circumference. Into what lengths should the log be cut to trisect its volume?
The square of a certain number multiplied by itself and by 200 is 446,976. What is the number?

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