Three cockneys, being out one evening in a dense fog, came up to
a building that they thus described. The first said, “There’s a
_nouse_.” “No,” said the second, “It’s a _nut_.” The third exclaimed
“You’re both wrong; it’s a _nin_!”
203. A draper sold 12 yards of cloth at 20s. per yard, and lost 10
per cent. What was the prime cost?
204. A jockey, on a horse galloping at the rate of 18 miles an hour
on the Flemington racecourse, passes in 30 minutes over the diameter
and curve of a semi-circle. What area does he enclose by the ride?