Ms. Bonifacio wants to produce different sets of test questions for her test. If she plans to do this by putting together 3 out of 5 questions she prepared, how many different sets of questions could she construct?

If P(9, r) = 3,024, what is r?

In a town fiesta singing competition with 12 contestants, in how many ways can the organizer arrange the first three singers?

What is P(8,5)?

Find the number of distinguishable permutations of the letters of the word EDUCATED.

If a combination lock must contain 5 different digits, in how many ways can a code be formed from the digits 0 to 9?

In how many ways can 7 people arrange themselves in a row for picture taking?

In a room, there are 5 chairs in a row. In how many ways can the students be seated?

If C(n,4) = 126, what is n?

In how many ways can a committee of 7 students be chosen from 9 juniors and 9 seniors if there must be 4 seniors in the committee?

Stephanie wants to assign 5 different house chores to her 5 siblings. In how many possible ways can she do it?

In how many ways can a family of 4 be seated in their living room if there are 6 available seats?

In how many ways can 3 toy cars be parked if there are 2 available parking spaces in toy garage?

How many distinguishable permutations are possible with all the letters of the word LEVEL?