Question

How many arrangements of the letters in the word "SCHOOLS" are there?

1,260
2,520
5,040

Answer 1

The answer is 1,260 non duplicated arrangements

Answer 2

The correct option is: 1260

Explanation:

S C H O O L S

Total number of letters = 7

Number of S = 2 and number of O = 2

So, total number of arrangements

`=(7!)/(2!* 2!)= (7* 6* 5* 4* 3* 2* 1)/(2* 2) = (5040)/(4)=1260`