A box contains 3 blue and 4 red balls, What is the probability that the ball taken out randomly will be red?

Two balls are selected from a box containing 2 blue and 7 red balls.What is the probability that at least one ball is blue?

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 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 green 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 yellow balls from the second box?

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 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 . if there are 8 red balls,What is the probability that a ball taken is green.

A bag contains 3 red balls, 5 white balls and 8 blue balls. One ball is taken out of the baf at random. fine the probability that the ball taken out is (a) a red ball, (b) not a white ball.