Can you solve it? Can you outwit the wizards of Oz?
by Alex Bellos from Science | The Guardian on (#6PCSF)
Ripsnorting riddles from Down Under
UPDATE: Read the solutions here.
Parabola, a wonderful Australian maths magazine for secondary school pupils, celebrates its 60th birthday this month. Today's puzzles are taken from a recently published compilation of its best problems.
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