[Solved] Which of the following is incorrect with respect to binary trees?

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Q.	Which of the following is incorrect with respect to binary trees?
A.	Let T be a binary tree. For every k ≥ 0, there are no more than 2k nodes in level k
B.	Let T be a binary tree with λ levels. Then T has no more than 2λ – 1 nodes
C.	Let T be a binary tree with N nodes. Then the number of levels is at least ceil(log (N + 1))
D.	Let T be a binary tree with N nodes. Then the number of levels is at least floor(log (N + 1))
Answer» D. Let T be a binary tree with N nodes. Then the number of levels is at least floor(log (N + 1))

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