Two marbles are picked simultaneously from a box containing three red and five blue marbles. What is the probability that the marbles are of the same color ?

There are 5 marbles in a bag. 3 of them are red and 2 of them are blue. What is the probability that a blue marble will be picked?

A bag contains 3 red and 2 blue marbles. A marble is drawn at random. What is the probability of drawing a blue marble ?

A bag contains 3 red and 2 blue marbles. A marble is drawn at random. What is the probability of drawing a blue marble?

A bag contains 3 red and 2 blue marbles. A marble is drawn at random. What is the probability of drawing a blue marble?

A bag contains 3 red and 2 blue marbles.A marble is drawn at random.What is the probability of drawing a blue marble?

A box contains 5 red and 4 white marbles.Two marbles are drawn successively from the box without replacement and the second drawn marble drawn is found to be white.Probability that the first marble is also white is

An urn contains 3 red and 4 green marbles. If three marbles are picked at random, what is the probability that two are green and one is red?

A box contains 5 red marbles, 8 white marbles and 4 green marbles. One marble is taken out of the box at random. What is the probability that the marble taken out will be red ?

The probability a red marble selected at random from a jar containing p red, q blue and r green marbles is

A box contains 2 blue marbles, 4 green marbles and 7 red marbles. One marble is taken out of the box at random. What is the probability that the marble taken out will be (i) blue (ii) Not blue?