Practice Calculating k-Permutations - 11.3 | 11. Permutation and Combination | Discrete Mathematics - Vol 2
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Practice Questions

Test your understanding with targeted questions related to the topic.

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)!

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

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.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

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

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

Question 2

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.

Challenge and get performance evaluation