Question

How many different arrangements of the letters in the word "COLOR" are there?
20
60
120

Answer 1

120 right

Answer 2

repetition possible?

Answer 3

5!.....and then we'll divide 2! because the two O's are not distinguishable.

Answer 4

60

Answer 5

You forgot to divide 2!

Answer 6

oh ok so you get 60

Answer 7

Yes

Answer 8

yep u should divide by 2 ! which gives 60

Answer 9

Well, first you would need to complete the question a bit I guess - are only five-lettered words allowed and is repetition of letter prohibited? If yes, then:

picking 5 letters out of 5 = 5!
divided by factorial of no. of repeated letters = 2!

so, 5!/2! = 60