## Probability Mcqs

MCQ: If six persons sit in a row, then the probability that three particular persons are always together is____________?

- 1/20
- 3/10
- 1/5
- 4/5

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## Releted Questions

## Probability Mcqs

MCQ: A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If two marbles are picked at random, what is the probability that they are either blue or yellow?

MCQ: A coin is tossed live times. What is the probability that there is at the least one tail?

MCQ: Out of 10 persons working on a project, 4 are graduates. If 3 are selected, what is the probability that there is at least one graduate among them?

MCQ: Out of 15 consecutive numbers, 2 are chosen at random. The probability that they are both odds or both primes is_________?

MCQ: A bag contains 7 green and 8 white balls. If two balls are drawn simultaneously, the probability that both are of the same colour is -.

MCQ: If four coins are tossed, the probability of getting two heads and two tails is__________?

MCQ: Three 6 faced dice are thrown together. The probability that no two dice show the same number on them is__________?

MCQ: In a party there are 5 couples. Out of them 5 people are chosen at random. Find the probability that there are at the least two couples?

MCQ: 10 books are placed at random in a shelf. The probability that a pair of books will always be together is_________?

MCQ: In a drawer there are 4 white socks, 3 blue socks and 5 grey socks. Two socks are picked randomly. What is the possibility that both the socks are of same color?

MCQ: If a card is drawn from a well shuffled pack of cards, the probability of drawing a spade or a king is__________?

MCQ: A bag contains five white and four red balls. Two balls are picked at random from the bag. What is the probability that they both are different color?

MCQ: The probability that a number selected at random from the first 50 natural numbers is a composite number is__________?

MCQ: The probability that A speaks truth is 3/5 and that of B speaking truth is 4/7. What is the probability that they agree in stating the same fact?

MCQ: What are the chances that no two boys are sitting together for a photograph if there are 5 girls and 2 boys?

MCQ: If a number is chosen at random from the set {1, 2, 3, …., 100}, then the probability that the chosen number is a perfect cube is___________?

MCQ: A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that at least one bulb is good.

MCQ: Three 6 faced dice are thrown together. The probability that exactly two dice show the same number on them is -.

MCQ: If two dice are thrown together, the probability of getting an even number on one die and an odd number on the other is__________?

MCQ: A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that all the four bulbs are defective.

MCQ: A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If three marbles are picked at random, what is the probability that they are all blue?

MCQ: The probability of a lottery ticket being a prized ticket is 0.2. When 4 tickets are purchased, the probability of winning a prize on at least one ticket is__________?

MCQ: Three 6 faced dice are thrown together. The probability that all the three show the same number on them is -.

MCQ: A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If four marbles are picked at random, what is the probability that none is blue?

MCQ: What is probability of drawing two clubs from a well shuffled pack of 52 cards?

MCQ: A basket has 5 apples and 4 oranges. Three fruits are picked at random. The probability that at least 2 apples are picked is__________?

MCQ: A card is drawn from a pack of 52 cards. The probability of getting a queen of club or a king of heart is___________?

MCQ: Out of first 20 natural numbers, one number is selected at random. The probability that it is either an even number or a prime number is_____________?

MCQ: From a pack of cards two cards are drawn one after the other, with replacement. The probability that the first is a red card and the second is a king is_________?

MCQ: If six persons sit in a row, then the probability that three particular persons are always together is____________?