A jar contains 54 marbles each of which is blue, green or white. The probability of selecting a blue marble at random from the jar is `1/3,` and the probability of selecting a green marble at random is `4/9dot` How many white marbles does the jar contain?

A jar contains only red marbles and white marbles, If the probability of selecting a red marble is r/y , which of the following expressions gives the probability of selecting a white marble , in terms of r and y?

A jar contains only red marbles and white marbles. If the probability of selecting a red marble is (r)/(y) , which of the following expressions gives the probability of selecting a white marble, in terms of r and y?

The probability of selecting a green marble at random from a jar that contains only green, white and yellow marbles is 1//4 . The probability of selecting a white marble at random from the same jar is 1//3 . If this jar contains 10 yellow marbles. What is the total number of marbles in the jar?

A marble is chosen at random from marbles numbered 10 to 22. Find the probability of selecting a marble having number 15 and 20 on it.

The probability of selecting a green marble at random from a jar that contains green,white and yellow marble is 1/3. The probability of selecting a white marble random from the jar is 2/9.If the jar contains 8 yellow marbles, find the total numbers of marbles in the jar

A jar contains 24 marbles some are green and others are blue. If a marble is drawn at random from the jar, the probability that it is green is 2//3 . Find the number of blue marbles in the jar.

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 9 marbles, 3 of which are red, 3 of which are blue, and 3 of which are white. Three marbles are drawn from the bag . What is the probability that they are all white ?

A marble is choosen at random from 6 marbles numbered 1 to 6. Find the probability of getting a marble having number 2 and 6 on it.