No. III.
A good mother went to buy eggs for her children, for the Easter season was approaching, and the eggs were to be colored red and blue. She bought from a grocer half of his entire stock and half an egg more. Then a second woman came, and she bought half of what the grocer had remaining and half an egg more. A third woman and a fourth woman did the same thing, and in the end the grocer had one egg left.
How many had he in the beginning?