Exploring Permutations and Combinations

What does the 'n' in the permutation formula represent?

• Number of options to choose from

• Number of outcomes

• Number of permutations

• Factorial symbol

How is a factorial represented in mathematical notation?

• +

• -

• !

• x

What does the '!' symbol stand for in permutations and combinations?

• Multiplication

• Factorial

• Subtraction

• Addition

In the Best Pie Contest example, how many ways can the ribbons be awarded?

• 60 ways

• 120 ways

• 5040 ways

• 336 ways

What is the key difference between permutations and combinations?

• There is no difference

• Order matters in permutations

• Order does not matter in permutations

• Order matters in combinations

How many ways can five cousins choose three to pick up a pizza?

• 10 ways

• 20 ways

• 5 ways

• 15 ways

What formula is used to calculate combinations?

• n! / (n-r)!r!

• n! / (n-r)!

• n! / r!

• r! / n!

In the office conference selection, how many different selections are possible?

• 792 selections

• 1140 selections

• 336 selections

• 4845 selections

For the junior class officers' election, is it a permutation or combination scenario?

• Permutation

• Combination

• Neither

• Both

How many different teams could Blake form for tennis from his class of 20?

• 792 teams

• 4845 teams

• 1140 teams

• 336 teams