In how many words can be formed by using all letters of the word BHOPAL	Pick one
A) 420  B) 520  C) 620  D) 720  E) None of these
Explanation:   Required number   =6!=6∗5∗4∗3∗2∗1=720   Option 720
<result>D</result>
In how many words can be formed by using all letters of the word BHOPAL