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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?

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Christmas Trees

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?

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Football Champs

Three teams have each played two matches. The table gives the total number points and goals scored for and against each team. Fill in the table and find the scores in the three matches.

Friday 13th

Stage: 3 Challenge Level: Challenge Level:2 Challenge Level:2

Can you explain why every year must contain at least one Friday the thirteenth?

What is the greatest number of Friday the thirteenths that can fall in one year?