Permutations and combinations questions answers for gate cat bank exams aieee bank po bank clerk.
A box contains 3 red marbles 6 blue marbles.
Bag b contains 9 black marbles and 6 orange marbles.
Bag a contains 9 red marbles and 3 green marbles.
Three marbles are selected at random and without replacement.
B find probabilities for p bb p br p rb p ww p at least one red p exactly one red 3.
Another marble is taken from the bag.
A box contains 5 red marbles 3 white marbles and 2 blue marbles.
A bag contains 3 red marbles and 4 blue marbles.
I m working on problem 6.
The problem asks for the probability of rr or bb.
Find the probability of selecting one green marble from bag a and one black marble from bag b.
A marble is taken at random and replaced.
Find the probabilities in simplest fraction form.
Two marbles are drawn without replacement from a jar containing 4 black and 6 white marbles.
15 red 10 blue and 5 green.
Find the probability that both marbles are red.
6 a box contains 30 marbles.
What is the probability that one of each color is selected.
I will guess at something you may have wanted that you didn t tell us.
Find the probability that all three are white.
A jar contains 4 black marbles and 3 red marbles.
Find the probability that the first two are red and the third one is white.
A two marbles are selected with replacement.
Work out the probability that the two marbles taken from the bag are the same color.
Two marbles are drawn without replacement.
A box contains 3 blue marbles 4 red 6 green marbles and 2 yellow marbles.
Find the probability of first selecting a blue then a green marble.
Three marbles are randomly drawn from the box one after the other.
The marbles are selected at random one at a time and are replaced.
Total number of marbles in the bag is 3 4 7.
Two marbles are selected at random and the first one is not replaced before the second one is drawn.
4 6 5 120 of possible triples.
An urn contains 4 red 6 white and 5 blue marbles.
A box contains 3 red marbles 6 blue marbles and 1 white marble.
Give your answer as a decimal number with 3 decimal places of ways to get red white blue triple.
If two marbles are picked at random what is the probability that they are.
Ex 2 3 a p white and blue b p blue and blue c p red and red and white d p green and white.