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A bird flew north for $20$ minutes, north-west for $50$ minutes, then south for $20$ minutes.
The bird keeps flying at about the same speed.
For how long, and in what direction, would the bird have to fly to return to its starting point?
Here you see the front and back views of a dodecahedron. Each vertex has been numbered so that the numbers around each pentagonal face add up to 65. Can you find all the missing numbers?
Looking at the 2012 Olympic Medal table, can you see how the data is organised? Could the results be presented differently to give another nation the top place?