17 DECEMBER 1988, Page 32

`...and statistics'

SPEAKING of sheets, did you know that Andrex sell enough toilet paper each year to build Mount Everest?

(Epson photocopier advertisement, the Guardian, 28 September).

Have Andrex taken into account the engineering problems involved in build- ing Mount Everest out of soft tissue paper? The increased density caused by pressure at the centre and base of what would presumably be a vast irregular pyramid would necessitate the use of much more material than simply piling a few rolls together to make a shop- window display.

Send examples to . . and statistics'; £20 for the best published; £10 for every other published.