How long does it take to solve a Rubik's cube for the first time? How long does it take to learn to juggle 3 items? 4? 5? How much time will it take you to me

How long does it take to solve a Rubik's cube for the first time? How long does it take to learn to juggle 3 items? 4? 5? How much time will it take you to measure the coast of England between Brighton and Seaton?