Probability

If you have a spinning wheel with 3-green sectors, 1-blue sector and 1-red sector. What is the probability of getting a green sector?

• 3/5

• 1/5

• 2/5

• 5/5

If you have a collection of 6 pairs of white socks and 3 pairs of black socks. What is the probability that a pair you pick without looking is black?

• 1

• 1/3

• 2/3

If you put 21 consonants and 5 vowels in a bag. What would carry greater probability? Getting a consonant or a vowel?

• Vowel

• Consonant

A bag contains 5 red marbles, 8 white marbles, 4 green marbles. What is the probability that if one marble is taken out of the bag at random, it will be a non-red marble.

• 5/17

• 9/17

• 13/17

• 12/17

What is the probability that a number selected from the numbers 1, 2, 3, …, 15 is a multiple of 5?

• 5/15

• 2/5

• 1/5

• 4/15

A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is neither a spade nor a king.

• 8/13

• 9/13

• 17/52

• 15/52

A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is either a black card or a king.

• 16/52

• 7/13

• 30/52

• 1/2

A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is the ace of spades.

• 1/52

• 4/52

• 3/52

• 2/52

In a single throw of two coins, find the probability of getting both tails .

• 1

• 2/4

• 1/4

• 3/4

In a lottery, there are 10 prizes and 20 blanks. A ticket is chosen at random. What is the probability of not getting a prize?

• 3/3

• 1/3

• 2/3