How many words can be formed by using all letters of the word ‘PENCIL’ ? Choose the correct answer.
A) 480	B) 600	C) 720	D) 900	E) 1060
The word contains 6 different letters.   The number of permutations is 6! = 720   The answer is 720.
<result>C</result>
How many words can be formed by using all letters of the word ‘PENCIL’ ?