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 yellow balls from the second 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?

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?

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?.

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?

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 some red and green balls If we take a ball from it, without looking the probability of getting a red ball is '1/4' a) What is the total number of balls, if there are 8 red balls? b) What is the probability that a ball taken is green? c) Find the sum of both the probabilities d) From a box containing some red balls and some blue balls the probability of getting a redball 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.