24 JUNE 1955, Page 46

SPECTATOR COMPETITION No. 280 Set by D. R. Peddy The

conditions prevailing in the arith- metical problems of our schooldays, with their aircraft/train speeds, their men dig- ging trenches, and hens laying an egg-and- a-half in a day-and-a-half, contrast vividly with those of the present-day world. For the usual prize, competitors are invited to set an arithmetical problem (or problems) which takes full account of the facts of /955 life. (No extra weight will be given either to probability or to arithmetical accuracy.) Limit 150 words. i Entries, addressed 'Spectator Competition No. 280,' 99 Gower StFeet, London, WCI, must be received by July 5. Results in the Spectator of July. 15.