0 0 votes Consider a binary tree for every node | P - Q | <= 2. P represents number of nodes in left subtree of S and Q represents number of nodes in right subtree of S for h > 0. The minimum number of nodes present in such tree of height h = 4 ( Root at 0 level) Programming in C data-structures binary-tree algorithms made-easy-test-series + – Na462 766 views answer comment Share Follow Print See all 2 Comments 2 2 Comments reply Na462 commented Jan 16, 2019 reply Follow flag Please Discuss General Approach of it 0 0 replyShare Priyadrasta Raut commented Jan 16, 2019 reply Follow flag Total no of node=no of nodes in a complete binary tree of height (h-2 )+2 So here answer is 9 0 0 replyShare Please log in or register to add a comment.