Practice Calculating K-permutations (11.3) - Permutation and Combination
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Calculating k-Permutations

Practice - Calculating k-Permutations

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

How many different 2-permutations can be made from the set {1, 2, 3}?

💡 Hint: Use the formula for k-permutations.

Question 2 Easy

What is P(4, 2)?

💡 Hint: Calculate using 4! / (4-2)!

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the formula for calculating k-permutations?

P(n
k) = n! / (n-k)!
P(n
k) = n! / k!
P(n
k) = k! / n!

💡 Hint: Remember how factorial impacts the arrangement.

Question 2

T/F: Repetitions are allowed in permutations?

True
False

💡 Hint: Consider example scenarios involving elements repeatedly arranged.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

You are organizing a race with 5 racers. How many different finishing orders are possible?

💡 Hint: Remember to apply the formula for full arrangements.

Challenge 2 Hard

If you draw 4 balls from an urn containing 10 different colored balls, how many different arrangements can you make?

💡 Hint: Identify how many you are arranging against the total available.

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