In how many different ways can the letters of the word BOOKLET be arranged such that B and T always come together?	Choose the correct choice from the following answers:
A) 360
B) 720
C) 480
D) 5040
E) None of these
Treat B and T as a single letter. Then the remaining letters (5 + 1 = 6) can be arranged in 6! ways. Since, O is repeated twice, we have to divide by 2 and the B and T letters can be arranged in 2! ways.   Total no. of ways = 6!×2!/2=720   Answer 720
<result>B</result>
In how many different ways can the letters of the word BOOKLET be arranged such that B and T always come together?