100
There was 39 but with the new fire packs it is now 45 not 51.
There are 10 cards in a Club Penguin Card-Jitsu starter deck.
40
there is 110 cards now
Many Penguins believe that Card-Jitsu Shadow is Real, so I checked and it is most likely to be on November 2012. Car-jitsu snow however will come out on may 2012
you can have as many as you want just buy them they are worth it
November 25, 2010 card-jitsu water will come out. The water dojo is open, but just for construction (so far). Many penguins don't know where they're placing the snow dojo though (I think it might be in the middle of fire and water dojos). The water dojo will be over by the whale symbol. The snow card-jitsu (I think) will come out in November 25, 2011.
you have to get 100% a couple times
Well it doesn't matter how many times you fight him but you can get lucky and win the fight. That's the only legitimate way to beat him.
1 in 3 people get one
Do you mean Card-Jitsu? You can't see that. By the way, you don't have to win to get a new belt. You must have experience. (You'll have to defeat Sensei, though)
The number of points are determaned by how u play the game