Three newly wedded Three newly wedded couples are dancing at a function. If the partner is selected at random the chance that all the husbands are not dancing with their own wives is

From each of 3 married couples one partner is selected at random then the probability of the chosen ones being all of the same sex is

From each of three married couples one of the partners is selected at random.Find the probability that the selection consists of two men and a woman.

Three '1xx1' squares of a chess board having 8xx8 squares being chosen at random,the chance that all the three are white is

A class has 12 boys and 4 girls. If three students are selected at random from the class, what is the probability that all will be boys?

A bag contains 5 white,7 black and 4 red balls.Then the chance that three balls drawn at random are all white is

In a multiple choice questions there are four alternative answers, of which one or more correct. A candidate will get marks in the question only if the ticks all the correct answers. The candidate decides to tick answers at random. If the is allowed upto three chances to answer the question, find the probability that he will get marks in the questions.

80% of all families own a television set. If 10 families are interviewed at random, then the probability that at most three families own a television set is

A box has four dice in it.Three of them are fair dice but the fourth one has the number five on all of its faces.A die is chosen at random from the box and is rolled three xx and shows up the face five on all the three occasions.The chance that the die chosen was a rigged die. is.