Mathematics 10_Q3

How many different ways can you arrange 4 distinct objects in a line?

• 12

• 6

• 24

• 18

Using the Fundamental Counting Principle, how many different 3-letter codes can be formed using the letters A, B, C, D, and E if no letter is repeated?

• 30

• 60

• 120

• 20

If you have 3 different books, how many ways can you arrange them on a shelf?

• 3

• 9

• 6

• 12

What is the formula for finding the number of permutations of n objects taken r at a time?

• r!

• n!

How many permutations are there of the letters in the word 'APPLE'?

• 24

• 60

• 720

• 120

How many different ways can 5 students be seated in a row of 5 chairs?

• 60

• 30

• 120

• 240

In how many different ways can 6 books be arranged on a shelf?

• 720

• 360

• 120

• 240

How many different ways can 7 people be arranged in a line?

• 2520

• 720

• 5040

• 1440

A group of 5 friends are taking a photo. How many different ways can they arrange themselves in a line?

• 24

• 120

• 60

• 240

In how many different ways can 8 different flags be arranged in a row?

• 40320

• 20160

• 5040

• 10080