yes
The Beatles made Come Together in 1969, Michael covered it in 1987.
They broke up in 1970, So you must mean after 1970? They didn't. Sadly.
No
no they did not
yes they did
not yet
all of the songs
In their early days, playing in Hamburg, they would play for several hours. When they became famous, their concerts were officially 30 minutes long, but they'd often play the songs faster and finish in 20-25 minutes.
Yes, he recorded a version of Yesterday in 1970 that featured George Harrison on guitar. It is available on bootlegs.
yes. it was on their albums With The Beatles and Meet The Beatles.
no
No. The Beatles did not sing "Pinball Wizard". It is a Who song.