Preparation for Online Discussion

What is a permutation?

• An arrangement of objects in a definite order

• A random selection of objects

• An arrangement of objects with repetitions

• A grouping of objects without order

What is the value of 4! (4 factorial)?

• 24

• 16

• 12

• 8

Calculate the value of 3!5! (3 factorial times 5 factorial).

• 720

• 360

• 120

• 60

What is the result of 7!/5! (7 factorial divided by 5 factorial)?

• 42

• 21

• 14

• 7

Find the value of 8!/(2!4!) (8 factorial divided by the product of 2 factorial and 4 factorial).

• 840

• 56

• 28

• 14

Calculate the result of (7!/3!4!) * (5!/2!) (7 factorial divided by the product of 3 factorial and 4 factorial, multiplied by 5 factorial divided by 2 factorial).

• 350

• 210

• 105

• 70

What does the notation "n!" (n factorial) represent?

• The sum of all integers from 1 to n

• The product of all integers from 1 to n

• The difference of all integers from 1 to n

• The division of all integers from 1 to n

Which of the following is the correct expression for 4!?

• 4 + 3 + 2 + 1

• 4 × 3 × 2 × 1

• 4 ÷ 3 ÷ 2 ÷ 1

• 4 - 3 - 2 - 1

What is the term for arranging n objects where some objects are identical?

• Permutation of n objects

• Distinguishable Permutation

• Permutation of n objects taken r at a time

• Circular Permutation

How do you describe the arrangement of n objects taken r at a time?

• Permutation of n objects

• Distinguishable Permutation

• Permutation of n objects taken r at a time

• Circular Permutation