The telephone-bell roused Mrs P.W. from her after-luncheon nap, and her husband’s voice came to her ears, from his office in the city:—“I am bringing home to dinner my father’s brother-in-law, my brother’s father-in-law, my father-in-law’s brother, and my brother-in-law’s father.”

“Right!” she replied, knowing his quaint ways, “I shall be prepared.” For how many guests did she provide?

[Solution]

37. THE WILY WAYFARER

“Give me as much money as I have in my hand,” said Will Slimly to the landlord of a country inn, “and I will spend sixpence with you.” This was done, and repeated twice with the cash that was still in hand, and then the traveller was penniless. How much had he at first, and how much did the landlord contribute to Will’s refreshment?

[Solution]

38. A CLEVER CONSTRUCTION

How can four triangles of equal size be formed with six similar matches?

[Solution]

39. A KNOTTY POINT