How many words can be formed by using all letters of the word 'MACHINE' ?
Choices:
A) 1120  B) 1200  C) 1570  D) 5040  E) 6040
The word MACHINE contains 7 different letters   Required number of words = 7P7 = 7! = 7*6*5*4*3*2*1 = 120   Answer is 5040
<result>D</result>
How many words can be formed by using all letters of the word 'MACHINE' ?