0 0 votes closed as a duplicate of: Find the number of strings in finite automata: What is the answer of this question with explanation? Theory of Computation + – Deepak Yadav 562 views comment Share Follow Print See all 2 Comments 2 2 Comments reply joshi_nitish commented Aug 23, 2017 reply Follow flag it is just arrangement of a,b,c,x,y,z such that a,b,c are in same order and x,y,z are also in same order #strings = $\frac{6!}{3!3!}$ = 20 option D. 1 1 replyShare LeenSharma commented Aug 23, 2017 reply Follow flag https://gateoverflow.in/56682/find-the-number-of-strings-in-finite-automata 0 0 replyShare Please log in or register to add a comment.