Weakest Link(round 3) Ends Sun.

You know the rules, PM me answers, don\'t use up time limit, sooner better.  8 Contestants left.  Let\'s play...
THE WEAKEST LINK!!!

1) What do you think is naughty dogs "secret game"?

2) What developer has the most games and/or planned out for PS2?

3)A group of children share marbles from a bag. The first child takes one marble and a tenth of the remainder. The second child takes two marbles and a tenth of the remainder. The third child takes three marbles and a tenth of the remainder. And so on until the last child takes whatever is left. Knowing that all the children end up with the same number of marble, how many children were there and how many marbles did each one get?