1 votes 1 votes I think its answer is 8 .Please ,can any one make it sure for me :) DS data-structures binary-tree + – Nandkishor3939 asked Jan 25, 2019 Nandkishor3939 657 views answer comment Share Follow See all 6 Comments See all 6 6 Comments reply Show 3 previous comments Nandkishor3939 commented Jan 25, 2019 reply Follow Share But why.... it already satisfies the given conditon...so 8 is the min answer I think...will you please elaborate why to add one more edge 0 votes 0 votes aditya333 commented Jan 25, 2019 reply Follow Share overall 9 nodes. i think you're subconsciously calculating the height of left and right subtrees instead of no of nodes: ) 3 votes 3 votes Nandkishor3939 commented Jan 25, 2019 reply Follow Share Thank you so much bro :D "i think you're subconsciously calculating the height of left and right subtrees instead of no of nodes" you got me there 0 votes 0 votes Please log in or register to add a comment.