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 first 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 second bag?

One box contains 7 red balls and 5 blue balls. Another box contains 5 yellow and 9 green balls. What is the probability of getting yellow balls from the second box?

There are 3 red balls and 7 green balls in a bag, 8 red and 7 green balls in another. i) Whạt is the probability of getting a red ball from the first bag? ii) From the second bag? iii) If all the balls are put in a single bag, what is the probability of getting a red ball from it?

One box contains 7 red balls and 5 blue balls. Another box contains 5 yellow and 9 green balls. What is the probability of getting blue balls from the first box?

One box contains 7 red balls and 5 blue balls. Another box contains 5 yellow and 9 green balls. What is the probability of getting red balls from the first box?

One box contains 7 red balls and 5 blue balls. Another box contains 5 yellow and 9 green balls. What is the probability of getting green balls from the second box?

From a box containing some red balls and some blue balls the probability of getting a red ball is a/b . What is the probability of getting a blue ball?.

A box contains 3 red and 4 blue balls. Two balls are drawn one by one without replacement. Find the probability of getting both balls red.

From 4 red balls, 2 white, balls and 4 black balls, four balls are selected. Find the probability of getting 2 red balls