How many words can be formed by using all letters of the word ‘DESK’ ?
Choose the correct option.
A) 16 B) 20 C) 24 D) 28 E) 32
The word contains 4 different letters.   The number of permutations is 4! = 24   The answer is 24.
<result>C</result>
How many words can be formed by using all letters of the word ‘DESK’ ?