Reviewer in Mathematics-3rd Quarter

Which of the following situations illustrates permutation?

• Selecting fruits to make a salad

• Choosing household chores to do after class

• Forming different numbers from 5 given digits

• Drawing names from a box containing 200 names

In 10P3, what is n?

• 3

• 4

• 8

• 10

What is permutation of 10 taken 3 at a time?

• 35

• 210

• 420

• 720

Which of the following expression represents the number of distinguishable permutations of the letters of the word BOOKKEEP?

• 11!

• 11! / 8!

• 11! / 2!2!2!

• 11! / 2!2!2!2!

If the permutation of 15 books arranged in an r shelf is 2730, what is r?

• 2

• 3

• 4

• 5

The Racing Club organizes a race in which four cars A, B, C, D are entered. In how many ways can the race be finished if there were no ties?

• 24

• 120

• 240

• 720

There are 5 finalists for the math contest and medals will be given to the first three finishers. How many ways are there for the winners to be selected?

• 60

• 210

• 420

• 720

The teacher asks a student to choose 6 items from the table. If the table has 20 items to choose, how many ways could the student choose the things? Hint: Use the formuls nCr = n! / (n-r)!r!

• 28637

• 30768

• 30680

• 38760

Mrs. Cabagay wants to arrange graham cake, gelatin, fruit salad, leche plan, and puto on a round table. In how many possible ways these can be arranged?

• 6

• 12

• 24

• 32

If there are 7! ways the visitor can sit in a circular table, how many visitors are there?

• 5

• 6

• 7

• 8