Probability
Question: What is probability of drawing two clubs from a well shuffled pack of 52 cards?
- 1. 13/51
- 2. 1/17
- 3. 1/26
- 4. 13/17
Question: What are the chances that no two boys are sitting together for a photograph if there are 5 girls and 2 boys?
- 1. 1/21
- 2. 4/7
- 3. 2/7
- 4. 5/7
Question: A card is drawn from a pack of 52 cards. The probability of getting a queen of club or a king of heart is___________?
- 1. 1/13
- 2. 2/13
- 3. 1/26
- 4. 1/52
Question: 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_________?
- 1. 1/26
- 2. 3/52
- 3. 15/26
- 4. 11/26
Question: 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?
- 1. 1/6
- 2. 5/8
- 3. 3/8
- 4. 5/6
Question: 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?
- 1. 18/35
- 2. 12/35
- 3. 17/35
- 4. 19/35
Question: 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?
- 1. 5/21
- 2. 5/14
- 3. 9/14
- 4. 16/21
Question: 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__________?
- 1. 0.4869
- 2. 0.5904
- 3. 0.6234
- 4. 0.5834
Question: 10 books are placed at random in a shelf. The probability that a pair of books will always be together is_________?
- 1. 1/10
- 2. 9/10
- 3. 1/5
- 4. 3/10
Question: What is the probability that a leap year has 53 Sundays and 52 Mondays?
- 1. 0
- 2. 1/7
- 3. 2/7
- 4. 5/7