In how many was can the letters of the word ELATION be arranged?

A.
6! 
B.
7! 
C.
5! 
D.
8!
Correct Answer: Option B
Explanation
ELATION
Since there are 7 letters. The first letter can be arranged in 7 ways, , the second letter in 6 ways, the third letter in 5 ways, the 4th letter in four ways, the 3rd letter in three ways, the 2nd letter in 2 ways and the last in one way.
therefore, 7 x 6 x 5 x 4 x 3 x 2 x 1 = 7! ways