Most likely questions on Binary Tree

1. Insert in binary tree
2. Lowest common ancestor(LCA)
3. isBinarySearchTree
4. Left-child right-sibling binary tree Populating next right pointers in each node
5. Inorder Successor
6. Compact Tree
7. Depth of tree
8. Sum Exists in Binary Tree
9. All paths in Tree
10. BST
11. DFS
12. Binary Search
13. Mirror image of tree
14. Number of Distinct Binary trees
15. binary tree maximum path sum