Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
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
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the formula for calculating k-permutations?
💡 Hint: Remember how factorial impacts the arrangement.
Question 2
T/F: Repetitions are allowed in permutations?
💡 Hint: Consider example scenarios involving elements repeatedly arranged.
Solve and get performance evaluation
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