After some matches were played, most of the information in the
table containing the results of the games was accidentally deleted.
What was the score in each match played?
This month there is a Friday the thirteenth and this year there are
three. Can you explain why every year must contain at least one
Friday the thirteenth?
Christmas trees are planted in a rectangular array of 10 rows and
12 columns. The farmer chooses the shortest tree in each of the
columns... the tallest tree from each of the rows ... Which is the
taller tree, A or B?
This problem is taken from the UKMT Mathematical Challenges.