Originally posted by rheymansboth of the balls in my bag are white, or pink I think...what about everyone else?
You have a bag with 50 balls in it. 25 of the balls are white, and 25 are black. You draw two balls from the bag at a time. You don't know what color the balls are until you have removed them from the bag. If you draw two white balls, or two black balls, you place a white ball in the bag. If the draw is two balls of different color, you place a black ...[text shortened]... n white balls, and n black balls, when is the last ball white, and when is the last ball black?
Originally posted by rheymansIf you draw two white balls, or two black balls, you place a white ball in the bag.
You have a bag with 50 balls in it. 25 of the balls are white, and 25 are black. You draw two balls from the bag at a time. You don't know what color the balls are until you have removed them from the bag. If you draw two white balls, or two black balls, you place a white ball in the bag.
This seems to be in error. 😕 Please explain. 😳
Originally posted by rheymansNo, you are mistaken.
Very good. You are quite a problem solver. If anyone is interested in Mephisto's logic, PM me, and I'll give you the answer.
1) last two balls could be black - last ball = black
2) last two balls could be white - last ball = white
3) last two balls could be black and white - last ball = black.
4) clearly, there is no solution.