Circular linked list MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 14, 2025

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1. : What is a circular linked list?



2. : What is the key difference between a circular linked list and a singly linked list?



3. : What is the time complexity of inserting an element at the beginning of a circular linked list?



4. : Which of the following operations requires traversal in a circular linked list?



5. : What is the time complexity of deleting the first element of a circular linked list?



6. : In a circular linked list, each node contains:



7. : How do you traverse a circular linked list?



8. : Which of the following is the correct way to delete a node after a given node in a circular linked list?



9. : What is the time complexity of searching for an element in a circular linked list?



10. : How do you insert a new node after a given node in a circular linked list?



11. : Which of the following is true about the head node in a circular linked list?



12. : What is the time complexity of inserting an element at the end of a circular linked list if the tail pointer is maintained?



13. : What is the key advantage of using a circular linked list over a singly linked list?



14. : Which of the following operations is possible with a circular linked list but not with a singly linked list?



15. : What is the time complexity of accessing the nth element in a circular linked list?



16. : Which of the following statements is true about circular linked lists?



17. : How do you find the length of a circular linked list?



18. : In a circular linked list, what is the term used for the last node?



19. : What happens if you try to delete a node from an empty circular linked list?



20. : Which of the following best describes a node in a circular linked list?



 

 

Data Structures MCQs

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Linear Data Structures MCQs

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