50+ Inorder Traversal MCQs with FREE PDF

We have the best collection of Inorder Traversal MCQs and answer with FREE PDF. These Inorder Traversal MCQs will help you to prepare for any competitive exams like: BCA, MCA, GATE, GRE, IES, PSC, UGC NET, DOEACC Exams at all levels – you just have to practice regularly.

Inorder Traversal MCQs

1. What is the space complexity of the in-order traversal in the recursive fashion? (d is the tree depth and n is the number of nodes)

a) O(1)

b) O(nlogd)

c) O(logd)

d) O(d)

Answer: d

2. For the tree below, write the in-order traversal.

1
50+ Inorder Traversal MCQs with FREE PDF 3

a) 6, 2, 5, 7, 11, 2, 5, 9, 4

b) 6, 5, 2, 11, 7, 4, 9, 5, 2

c) 2, 7, 2, 6, 5, 11, 5, 9, 4

d) 2, 7, 6, 5, 11, 2, 9, 5, 4

Answer: a

3. For the tree below, write the level-order traversal.

2 1
50+ Inorder Traversal MCQs with FREE PDF 4

a) 2, 7, 2, 6, 5, 11, 5, 9, 4

b) 2, 7, 5, 2, 11, 9, 6, 5, 4

c) 2, 5, 11, 6, 7, 4, 9, 5, 2

d) 2, 7, 5, 6, 11, 2, 5, 4, 9

Answer: b

4. What is the time complexity of level order traversal?

a) O(1)

b) O(n)

c) O(logn)

d) O(nlogn)

Answer: b

5. Which of the following graph traversals closely imitates level order traversal of a binary tree?

a) Depth First Search

b) Breadth First Search

c) Depth & Breadth First Search

d) Binary Search

Answer: b

6. In a binary search tree, which of the following traversals would print the numbers in the ascending order?

a) Level-order traversal

b) Pre-order traversal

c) Post-order traversal

d) In-order traversal

Answer: d

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