The letters of the word 'SURATI' are written in all possible orders and these words are written in alphabetical order. Then what is the rank of the word 'SURITI'
Choices: A) - 236 B) - 245 C) - 307 D) - 415 E) - 275
Total Number of Words = 6! = 720 [(number of characters)/(repeating group )!]   After S, we have T and U.   Number of words starting with T = 5! = 120   Number of words starting with U = 5! = 120   So any word starting with S will have rank &lt; 720 - 120(for Us) - 120(for Ts) = 480   Only option A &lt; 480, so Answer is - 415
<result>D</result>
The letters of the word 'SURATI' are written in all possible orders and these words are written in alphabetical order. Then what is the rank of the word 'SURITI'