How many words can be formed by using all letters of the word 'AROUND' ? Choose the correct choice from the following
A) 712
B) 720
C) 757
D) 736
E) 742
The word AROUND contains 6 different letters   Required number of words = 6P6 = 6! = 6*5*4*3*2*1 = 120   Answer is 720
<result>B</result>
How many words can be formed by using all letters of the word 'AROUND' ?