1 votes 1 votes DS data-structures graph-algorithm made-easy-test-series + – Chetan28kumar asked Sep 17, 2018 edited Mar 4, 2019 by Aditi Singh Chetan28kumar 470 views answer comment Share Follow See all 6 Comments See all 6 6 Comments reply Show 3 previous comments Shaik Masthan commented Sep 17, 2018 reply Follow Share similarly , if we start with A vertex , again get 2*3 = 6 possible if you starts with A, A __ __ D ===> only one ===> 1*3 = 3 only Total = 6+3=9 0 votes 0 votes Magma commented Sep 17, 2018 reply Follow Share OOh silly mistake :'( 0 votes 0 votes arvin commented Sep 17, 2018 reply Follow Share A (B C) D (E F) G. Position of D will be fixed. and f will execute after E and C after B (each time).. required orders = (3!/2!) * (3!/2!) = 3*3 = 9 answer 0 votes 0 votes Please log in or register to add a comment.