Out of 7 persons working on a project, 3 are post graduates.  If 2 are selected, what is the probability that there is at least one post graduate among them?

PROBABILITY :

These questions are based on the following data.

Two 6 faced dice are thrown together.  The probability that

The two show the same number on them is _____

PROBABILITY :

These questions are based on the following data.

Two 6 faced dice are thrown together.  The probability that

The two dice should not show the same number on them is _________.

PROBABILITY :

These questions are based on the following data.

Two 6 faced dice are thrown together.  The probability that

Both should show even number on them is _________.

PROBABILITY :

These questions are based on the following data.

A bag contains 3 white balls, 4 black, 6 brown balls and 2 orange balls.

If four balls are picked at random, what is the probability that none is white?

PROBABILITY :

These questions are based on the following data.

A bag contains 3 white balls, 4 black, 6 brown balls and 2 orange balls.

If three balls are picked at random, what is the probability that they are all white?

PROBABILITY :

These questions are based on the following data.

A bag contains 3 white balls, 4 black, 6 brown balls and 2 orange balls.

If two balls are picked at random, what is the probability that they are either white or orange ?

PROBABILITY :

These questions are based on the following data.

A bag contains 3 white balls, 4 black, 6 brown balls and 2 orange balls.

If two balls are drawn at random, what is the probability that at least one is brown?

PROBABILITY :

These questions are based on the following data.

A bag contains 3 white balls, 4 black, 6 brown balls and 2 orange balls.

If three balls are drawn what is the probability that one is orange and two are black?

PROBABILITY :

A box contains six black marbles and five orange marbles. Two marbles are picked at random from the box. What is the probability that they both are different colour?

PROBABILITY :

Out of 30 consecutive numbers, 5 are chosen at random.  The probability that all are odds or primes is ________.