5. Answer the following questions: (i) What is the smallest number of levels a binary tree with 47 nodes can have? h ngest number of levels a biary tree with 7os can haver (ii What is the maximum number of nodes at the nth level of an n-ary tree (i.e, a tree with degree n)? iv) How many NULL pointers are there in an n-ary tree of height m? (v) What is the relationship between the number of leaves and the number of internal nodes in a full binary tree