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Four wiggles are the same as three woggles; two woggles are the same as five waggles, and six waggles are the same as one wuggle. Which is the smallest:
1 wuggle, 2 woggles, 3 waggles or 4 wiggles, or is there more than one with the same value?
If you liked this problem, here is an NRICH task which challenges you to use similar mathematical ideas.