Mastering Permutations and Combinations

How many ways can you choose 3 students from a group of 10 students?

• 120

• 720

• 30

• 1200

• 20

• 60

• 120

• 150

In how many different ways can the letters of the word "MATH" be arranged?

• 12

• 24

• 48

• 120

What is the difference between permutations and combinations?

• Permutations consider order, combinations do not.

• Combinations consider order, permutations do not.

• Both consider order.

• Neither consider order.

Calculate the number of combinations of 5 items taken 2 at a time.

• 10

• 20

• 30

• 40

• 35

• 210

• 840

• 5040

Which of the following expressions represents the number of combinations of 8 items taken 4 at a time?

How many different 4-letter arrangements can be made from the letters in the word "BOOK"?

• 12

• 24

• 48

• 256

If you have 6 different books, how many ways can you arrange 3 of them on a shelf?

• 20

• 60

• 120

• 720

• 210

• 252

• 120

• 504

Tags

CCSS.HSA.APR.C.5