A bag contains 3 yellow balls and 4 pink balls. In how many ways can 2 pink balls and 1 yellow ball be drawn from the bag?

A bag contains 9 yellow balls, 3 white balls and 4 red balls. In how many ways can two balls be drawn from the bag?

One bag contains 5 white balls and 3 black balls and a second bag contains 2 white balls and 4 black balls.One ball drawn from the first bag and placed unseen in the second bag. What is the probability that a ball now drawn from second bag is black?

A bag contains 6 red and 5 blue balls. In how many ways can one choose 3 red and 2 blue balls from this bag?

One bag contains 5 white balls and 3 black balls and a second bag contains 2 white balls and 4 black balls. One ball drawn from the first bag and placed unseen in the second bag. What is the probability that a ball now drawn from second bag is black?

A bag contains 9 white balls and 1 black ball. Another bag contains 10 white balls. Eight balls are drawn from the first bag at random and put in the second bag. Again, eight balls are drawn from the second bag and put in the first. What is the chance that the black ball is still in the first bag?

A bag contains 10 blue balls and 12 yellow balls. Another contains 15 blue balls and 7 yellow balls. If all the balls are put in a single bag, what is the probability of getting a yellow ball, from it?

A bag contains 10 blue balls and 12 yellow balls. Another contains 15 blue balls and 7 yellow balls. What is the probability of getting a yellow ball from the second bag?

A bag contains 10 blue balls and 12 yellow balls. Another contains 15 blue balls and 7 yellow balls. What is the probability of getting a yellow ball from the first bag?