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'Weekly Problem 30 - 2006' printed from http://nrich.maths.org/
Jack dances clockwise around the Maypole, making one revolution every five seconds.
Starting from a point diametrically opposite Jack's starting point, Jill dances anticlockwise, making one revolution every six seconds.
How many times do they pass each other in the first minute?
This problem is taken from the UKMT Mathematical Challenges.View the previous week's solution