An official asks a woman why she has so many bowls to wash. The woman explains that she had dinner guests who ate meat, rice, and soup. Judging by the number of bowls, how many guests were there?

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

There is a garden is the shape of a rhombus whose side is 768.52 feet. Within the garden is an inscribed square flower bed whose side is 396 feet. What is the area of the garden?

Find the area of the elliptical segment cut off parallel to the shorter axis;

A number of 3 digits in base 7 has the same three digits...

If two Post-boys, A and B at 59 miles distance from one another, set out in the morning in order to meet...

The purchase price for an apple and an orange is 100 yen. When n oranges and n + 3 apples are bought the price is 520 yen. Find the number n of oranges and the price of one orange.

Having been given the perimeter and perpendicular of a right angled triangle, it is required to find the triangle.

The square of a certain number multiplied by itself and by 200 is 446,976. What is the number?

Suppose that for every 4 cows a farmer has, he should plow 1 acre of land, and allow 1 acre of pasture for every 3 cows; how many cows could he keep on 140 acres?

Determine the dimensions of the least isosceles triangle ACD that can circumscribe a given circle.