1 Deepak BoraNewbie Asked: July 1, 2020In: IIT, Olympiad If the letters of the word SACHIN are arranged in all possible ways, and these words are written in a dictionary, at what serial number does the word SACHIN appear? 1 If the letters of the word SACHIN are arranged in all possible ways, and these words are written in a ...Read more class 11 p and ciit mathsp & cp and cpermutations and combinations