Referring to tree 2 shown above: In which order would the nodes of the tree be visited by an pre-order traversal? 46, 23, 71, 21, 29, 48, 89, 5, 26, 40 5, 21, 26, 40, 29, 23, 48, 89, 71, 46 O 5, 21, 23, 26, 29, 40, 46, 48, 71, 89 46, 23, 21, 5, 29, 26, 40, 71, 48, 89

Let's say you used in-order traversal to print the nodes of this tree. What nodes would be printed first and last in in- order traversal? 1 2 141 6 8 12 13 18 4¹94 19 23 29 Ν

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B. Consider the following three binary trees. (a) 22 38 35 31 20 25 (b) 35 21 38 18 24 37 39 17 23 31 32 63 32 82 28 38 110 16 34 39 i) Which of these binary trees is an AVL tree? Justify your answer. ii) Insert key "40" into that AVL tree. Show all your steps and how the tree looks like.

Answer the following Questions: 1) What is the height of the tree ? 2) What is the depth of Node 66 ? 3) What is the path sequence from root to Node  37? 4) How many leaves are present in this tree? 5) What is the degree of Node 42 ?

Question .   Construct an AVL tree by inserting following nodes: 35, 50, 40, 25, 30, 60, 78, 20, 28

What will be the Inorder traversal of the following tree?*           11, 20, 29, 32, 41, 50, 65, 72, 91, 99       11, 20, 29, 32, 50, 65, 72, 91, 99, 41       11, 32, 50, 72, 99, 29, 65, 91, 20, 41       41, 20, 11, 29, 32, 65, 50, 91, 72, 99       41, 20, 11, 65, 91, 99, 29, 32, 50, 72