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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 certain man says that he can weigh any amount from 1 to 40 pounds using only 4 weights. What size must they be?
After a terrible battle it is found that 70% of the soldiers have lost an eye.
A man plants 4 kernels of corn, which at harvest produce 32 kernels: these he plants the second year; now supposing the annual increase to continue 8 fold, what would be the produce of the 15th year, allowing 1000 kernels to a pint?
Problems from a 15th century French manuscript, including one with negative solutions
If an arc of 45 degrees on one circumference is equal to an arc of 60 degrees on another circle, what is the ratio of the areas of the circle?
Now a pile of rice is against a wall, it has a base perimeter of 60 feet and a height of 12 feet.
Knowing the base, b, and the altitude, a, of a triangle. Find the expression for a side of the inscribed square.
Now there are 100 deers [being distributed] in a city. If one household has one deer there is a remainder...Find the number of households in the city.
What number which being increased by 1/2, 1/3, and 1/4 of itself, the sum shall be 75?
A gentleman has bought a rectangular piece of land whose perimeter is to be 100 rods.

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