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Today Puzzle #670

Puzzle No. 670– Thursday 6 February

Yesterday at the Natural History Museum was the final of the Explore Learning Mathematicians' Awards, where teams of four pupils tested their mathematical wits to be crowned primary and secondary school champions. A winning team of four students order themselves in a straight line in front of Hope the Blue Whale. How many different ways could they line up?

Today’s #PuzzleForToday has been set by Bobby Seagull, school maths teacher, author and Cambridge University Doctorate student.

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24 ways

The number of ways of arranging 4 different students in a line is 4! This is 4 x 3 x 2 x 1 = 24

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