165. Place eight men on a draught-board in such a way that no two
will be in a line either crossways or diagonally. Of course the two
colours on the board must be used.
166. A gentleman, dying, left his property thus: To his wife,
three-fifths of his son’s and youngest daughter’s shares; to his
son, four-fifths of his wife’s and eldest daughter’s shares; to his
eldest daughter, two-sevenths of his wife’s and son’s shares, and to
his youngest daughter one-sixth of his son’s and eldest daughter’s
shares. The wife’s share was £4,650. What did the gentleman leave,
and what did each receive?