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  Driven crazy
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  Pirate treasure
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  Use your head
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  Which way?
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  All around the world
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  Hats off
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  Shed some light
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  Einstein's riddle
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  Figure it out

Puzzles

Figure it out

An art gallery features a modern work of 'moving art'. The artist stands by a stack of paintings, each featuring a different number. One of the paintings is displayed on the wall. At certain times the artist removes the painting from the wall and replaces it with a painting from the stack. At 11am, the artist hangs a painting of the number 30. At 4pm he hangs a painting of the number 240. At 7.30pm he hangs a painting of number 315.

What painting did the artist hang at 6pm?

Reveal answer