There have been 10 distinct logos since the series started in 1963. It doesn't quite work out to one per Doctor because the Ninth and Tenth Doctors shared the same logo (though it underwent a bit of a revamp with the Tenth Doctor, so some consider it to be a separate logo). This doesn't count numerous other logos created for books and magazines, etc.
Nobody knows! There have been 100s of monsters in Doctor Who
there has been about 777 episodes of Doctor Who
David has been The Doctor for three series; two, three and four.
There have been 753 episodes in Doctor Who.
796
i really dont know
The Padres have used 10 primary logos and 10 alternate logos through the 2012 season. Click on the "Padres Logos" link below to view all Padres logos (primary, alternate, cap, etc.).
There are many sites that offer custom business logos. Some of the sites that will create logos for businesses include Logoyes, Businesslogos, and Logodesignguru.
Repetition !
There has been 13 actors who has played the role of the Doctor on Doctor Who. Also Peter Capaldi, who is currently playing the Doctor, is also the new 1st Doctor of the new 12 count regeneration cycle.
Many websites provide the history of the internet explorer logos. Websites such as Wikipedia, TheFontFeed, and the Internet Archive provide the history of internet logos.
There are many thousands of pizza places and logos. It would be impractical to try to list them here.