Probability Tes...

A speaks the truth 3 out of 4 times, and B5 out of 6 times : what is the probability that they will contradict each other in stating the same fact?

Three groups of children contain respectively 3 girls & 1 boy; 2 girls & 2 boys; 1 girl & 3 boys. One child is selected at random from each group.The chance that the three selected children consists of one girl and 2 boys is

From a pack of 52 cards, two are drawn at random. Find the chance that one is a knave and the other a queen.

Three coins are tossed. What is the probability of getting (i) neither 3 Heads nor 3 Tails?

Ram is visiting a friend. Ram knows that his friend has 2 children and 1 of them is a boy. Assuming that a child is equally likely to be a boy or a girl, then the probability that the other child is a girl, is

What is the probability of obtaining at least one tail when a coin is tossed five times?

Two fair dice are thrown. Find the probability of getting

(i) sum of numbers divisible by 2 or 4.

Three cards numbered 2, 4 and 8 are put into a box. If a card is drawn at random, what is the probability that the card drawn is

(i) a prime number?

Two fair dice are thrown. Find the probability of getting

(i) a prime number less than 8.

If atleast one child in a family with 3 children is a boy then the probability that 2 of the children are boys, is

In rolling two dices, find the probability (i) there is at least one ‘6’

Amit throws three dice in a special game of Ludo. If it is known that he needs 15 or higher in this throw to win then find the chance of his winning the game.

In a horse race there were 18 horses numbered 1-18. The probability that horse 1 would win is 1/6, that 2 would win is 1/10 and that 3 would win is 1/8.
Assuming that a tie is impossible, find the chance that one of the three will win.

Two fair dice are thrown. What is the probability of (i) throwing a double?

Two letters are randomly chosen from the word LIME. Find the probability that the letters are L and M.