1
GATE CSE 2017 Set 1
MCQ (Single Correct Answer)
+1
-0.33

Let $T$ be a binary search tree with 15 nodes. The minimum and maximum possible heights of $T$ are :

Note : The height of a tree with a single node is 0.

A
4 and 15 respectively
B
3 and 14 respectively
C
4 and 14 respectively
D
3 and 15 respectively
2
GATE CSE 2015 Set 1
MCQ (Single Correct Answer)
+1
-0.3
The height of a tree is the length of the longest root-to-leaf path in it. The maximum and minimum number of nodes in a binary tree of height 5 are
A
63 and 6, respectively
B
64 and 5, respectively
C
32 and 6, respectively
D
31 and 5, respectively
3
GATE CSE 2015 Set 1
MCQ (Single Correct Answer)
+1
-0.3
What are the worst-case complexities of insertion and deletion of a key in a binary search tree?
A
$$\Theta \left( {\log n} \right)$$ for both insertion and deletion
B
$$\Theta \left( n \right)$$ for both insertion and deletion
C
$$\Theta \left( n \right)$$ for insertion and $$\Theta \left( {\log n} \right)$$for deletion
D
$$\Theta \left( {\log n} \right)$$ for insertion and $$\Theta \left( n \right)$$ for deletion
4
GATE CSE 2015 Set 1
MCQ (Single Correct Answer)
+1
-0.3
Which of the following is/are correct inorder traversal sequence(s) of binary search tree(s)?

I. 3, 5, 7, 8, 15, 19, 25
II. 5, 8, 9, 12, 10, 15, 25
III. 2, 7, 10, 8, 14, 16, 20
IV. 4, 6, 7, 9 18, 20, 25

A
I and IV only
B
II and III only
C
II and IV only
D
II only

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