In a jar, there are 5 black marbles and 3 green marbles. Two marbles are picked randomly one after the other without replacement. What is the possibility that both the marbles are black?

A bag contains 5 red marbles and 3 black marbles. Three marbles are drawn one by one without replacement. What is the probability that atleast one of the three marbles drawn be black, if the first marble is red?

A bag contains 5 red marbles and 3black marbles.Three marbles are drawn one by one without replacement.What is the probability that at least one of the three marbles drawn be black,if the first marble is red?

A basket contains 4 red , 5 blue and 3 green marbles . If two marbles are picked at random , what is the probability that both are red ?

A basket contains 4 red , 5 blue and 3 green marbles . If three marbles are picked at random , what is the probability that at least one is blue ?

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: (i) red ? (ii) white? (iii) not green?

Anurn contains 6 red,4 blue ,2 green and 3yellow marbles If two marbles are picked at random , what is the probability that both are red ?

A bag contains 3 black marbles, 5 red marbles and 6 white marbles. If a marble is picked at random, then what is the probability that it is not a white marble?

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 ( i) red? ( ii) white? (iii) not green?