Practice Definition Of K-permutation (11.2) - Permutation and Combination

Practise this section

10 questions

Flashcard drill
4 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
4 questions · about 3 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
Calculate P(4, 2).
Show hintHide hint
Remember to use the factorial formula.
Question 2.
What is the value of P(5, 0)?
Show hintHide hint
Think about the arranged selection of zero elements.
3Question 3.
How is P(n, k) defined?
Show hintHide hint
Think about arrangements and selections.
4Question 4.
True or False: The number of permutations increases when repetitions are allowed.
- True
- False
Show hintHide hint
Consider how choices change when you can use the same item again.
Question 5.
You have 10 different trophies and want to award 3 of them in 3 distinct positions. How many arrangements are possible?
Show hintHide hint
Remember to account for the order of the awards given.
Question 6.
A pizza shop has 5 different toppings. If a customer can choose 2 toppings and repeats are allowed, how many different two-topping combinations can they order?
Show hintHide hint
Consider the choices available at each selection.

6 more questions in this section. Enroll free to practise them all.