Permutation, Combinations and Counting Principle

In a Permutation, Order Matters.

• True
• False

In a Combination, Order Matters.

• True
• False

Tell whether the situation is a Permutation or Combination:

• Permutation
• Combination

Tell whether the situation is a Permutation or Combination:

• Permutation
• Combination

Tell whether the situation is a Permutation or Combination:

• Combination
• Permutation

From among five photos, how many ways can four of them be arranged on a shelf?

• 120
• 5
• 110 
• 20

In a race with 7 runners, how many ways can the runners finish in first, second, and third place?

• 21
• 35
• 210
• 120

How many ways can 3 different movies be picked from 15 different movie choices?

• 120
• 45
• 2730
• 455

A group of students are designing a new school flag using the colors blue, white, red, black, and gold. How many ways can students choose three colors?

• 10
• 60
• 15
• 30

A group of 45 people are going to run a race. The top 3 runners earn gold, silver, and bronze medals. 

• 135
• 85,140
• 14,190
• 15