PROBABILITY

What is the total sample space if a consonant is to be picked from a set of English alphabets?

• 21

• 16

• 12

• 19

The probability of getting the same number, when two dice are rolled is __________.

• 1/6

• 1/4

• 1/5

• 1/2

John's probability of winning the game is 60%. What is the probability of John not winning the game?

• 20%

• 40%

• 60%

• 80%

The probability of picking a number 9 from a pack of card is _________.

• 1/12

• 1/13

• 1/14

• 1/15

A bag had 4 red balls, 6 red balls, and 7 blue balls. When a ball is picked from this bag, what is the probability of it being a red or a blue ball?

• 9/17

• 11/17

• 12/17

• 14/17

In a class there are 22 students who like tea, and 18 students like coffee. What is the probability that a student likes tea?

• 11/20

• 12/20

• 11/12

• 12/22

In a hotel there are 8 air-conditioned rooms and 20 ordinary rooms. If a guest wishes to book an air-conditioned room, what is the probability that he gets the air-conditioned room?

• 2/6

• 2/7

• 2/8

• 2/9

In an entrance exam only three students are selected for every 100 students who appear for the examination. What is the percentage probability of success in the entrance?

• 12%

• 9%

• 6%

• 3%

What is the probability that a chosen card from a standard deck is either queen or ace?

• 1/4

• 3/4

• 1/13

• 2/13

Find the probability of getting a head when tossing a coin.

• 2

• 1/5

• 1/2

• 1/3