WHAT ARE THE ODDS?
115. How would you arrange twenty horses in three stalls so as to have an odd number of horses in each stall?
116.
Here is a pretty little problem, which has at any rate an Algebraic form, and is exceedingly ingenious:—
Given a, b, c, to find q.
WHEN WAS HE BORN?
117. Tom Evergreen was asked his age by some men at his club on his birthday in 1875. “The number of months,” he said, “that I have lived are exactly half as many as the number which denotes the year in which I was born.” How old was he?