In how many ways can the letters of the word **** be arranged so that all the '* are together?
(A) 151200
(B) 152200
(C) 153200
(D) 154200
The correct option is (a) 151200.
Explanation:
The word ***** has 4S,3A,2I,2N,T,O,4S are together.
This is considered as one block as 1 letter.
Now we have 3A,2I,2N,4S,T,O
