Today Puzzle #616
Puzzle No. 616鈥� Thursday 21 November
Last week was the first ever Maths Week England, a national celebration of maths! 6,000 schools watched the daily videos. 8,000 schools did the quiz. If 3,000 schools did both the videos and the quiz, what is the smallest number of schools that could have participated in Maths Week England?
Today's #PuzzleForToday has been set by Bobby Seagull, school maths teacher and Cambridge University doctorate student, and Andrew Jeffrey, founder of Maths Week England.
Click here for the answer
11,000.
Maximum number of schools if no overlap is 6,000 + 8,0000 = 14,000. Assuming 3,000 did both, then 11,000 is the minimum.
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