214. Move the Knight over all the 64 squares of the chess board so
as to successively cover each square and, of course, not enter any
square twice. This problem has always proved to be an interesting
one. Mathematicians throughout all ages have devoted a good deal of
time to it. To chess players it should be especially attractive.
[Illustration]
215. If 3 times a certain number be taken from 7 times the same
number the remainder will be 8. What is the number?
216. Divide £27 among 3 persons, A, B and C, so that B may have twice
as much as A, and C 3 times as much as B.