Topics 13 and 14 Quiz

How many different ways can 4 students be arranged in a line?

• 12

• 24

• 16

• 8

How many ways can you choose 2 students from a group of 5?

• 10

• 20

• 15

• 5

Which of the following sets of lengths can form a triangle?

• 2, 3, 6

• 4, 5, 10

• 3, 4, 5

• 1, 2, 3

How many different 3-letter words (real or not) can be formed from the letters A, B, C, D if no letter is repeated?

• 24

• 12

• 36

• 6

How many ways can you select 3 books from a shelf of 7 books?

• 21

• 35

• 42

• 14

Which of the following is NOT a valid triangle according to the triangle inequality theorem?

• 5, 7, 11

• 6, 8, 12

• 2, 2, 3

• 3, 4, 8

• Yes

• No

• Only if the triangle is equilateral

• Only if the triangle is isosceles

How many arrangements can you select 2 students from a group of 8?

• 16

• 28

• 56

• 8

If you have 6 different colored balls, how many ways can you arrange 3 of them in a row?

• 120

• 36

• 60

• 720