Question

How many different rearrangements are there of the letters in the word BUBBLE?

Answer 1

3 if you arrange the B’s

Answer 2

6!/3! = 720/6 = 120

There are 6! arrangements but the 3 B’s are interchangeable without any discernible change in the arrangement therefore wed divide 6! by 3!.

There are 120 unique arrangements of the letters in the word bubble.