Question
A banking application uses a Queue to process customer service requests. The following operations are performed: ENQUEUE(Request_
- A → ENQUEUE(Request_
- B → ENQUEUE(Request_
- C → DEQUEUE() → ENQUEUE(Request_
- D → DEQUEUE() → DEQUEUE() Which request is currently at the FRONT of the queue after all operations?
More Data Structure Questions
- A directed graph has V vertices and E edges. Using adjacency lists, what is the time complexity of BFS when each vertex is enqueued at most once?
- Using the Master Theorem, what is the time complexity of the recurrence T(n) = 2T(n/2) + n·log n?
- Using the Master Theorem, what is the time complexity of the recurrence T(n) = 3T(n/2) + n²?
- Which of the following is the main objective of the 3rd Normal Form (3NF) in database normalization?
- A hash table uses h(k)=k mod 11 and linear probing. Keys 22,33,44 are inserted into an empty table. Which positions result?
- Which encryption technique is used in Transport Layer Security (TLS) to securely establish a session key?
- In an AVL tree, after inserting a new node, node X becomes unbalanced with a balance factor of +2 (right subtree taller), and X's right child also has a ba...
- What is the worst-case time complexity of the Bubble Sort algorithm?
- Given the IP address 192.168.10.5 and the subnet mask 255.255.255.240 , what is the range of valid host addresses in this subnet?
- A hash table uses open addressing with linear probing. Which deletion method preserves successful searches without requiring rehashing the entire table?
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)