PolicyBazaar Business Analytics Interview Questions and Answers

Easy coding question generally A, B level question of codeforces

Q1. OOPs, DBMS , Computer network and some basics over java
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JavaScript questions

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Duration-1.5 hours
Kadane's Algorithm, Even Numbers at even index & odd at odd index, print out the second highest node of the tree

Q1. DSA ZigZag tree traversal OS Architecture of RAM Types of RAM Difference between compiler and interpreter What is a scheduler What is multithreading Disadvantages of FCFS and how can we use RoundRobin to ...read more
Ans. 
ZigZag tree traversal is a method to traverse a binary tree in a zigzag pattern.
• In ZigZag tree traversal, we visit the nodes of a binary tree in a zigzag pattern, moving from left to right and then right to left.

• We can use a stack or a queue to implement ZigZag tree traversal.

• The algorithm involves maintaining two stacks or two queues to keep track of the nodes at each level.

• We start with the root node and alternate be...read more
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Normal nomerical qustion

Q1. Normal tell me your self
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Q1. Implement stack using two queue
Ans. 
Implement a stack using two queues
• Use two queues to simulate stack operations

• Push operation: Enqueue the element to queue1

• Pop operation: Dequeue all elements from queue1 to queue2, dequeue the last element from queue1, then swap the queues

• Top operation: Dequeue all elements from queue1 to queue2, dequeue the last element from queue1, then swap the queues without dequeuing the element

• Empty operation: Check if both queue
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Q2. Discuss your previous company projects
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Q3. Basic oops concept
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Q1. Slicing in List of Python
Ans. 
Slicing in Python allows you to extract a subset of elements from a list.
• Slicing is done using square brackets and the start:stop:step notation.

• The start index is inclusive, while the stop index is exclusive.

• You can omit any of the three parameters, defaulting to 0 for start, length of list for stop, and 1 for step.

• Negative indices can be used to slice from the end of the list.

• Example: list = [1, 2, 3, 4, 5], list[1:4]
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Q2. Multithreading questions were asked
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Asked Question from Tree nad linked list

Q1. About JWT and SQL query
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Q1. Tell me about your self
Ans. 
Experienced sales executive with a proven track record of exceeding targets and building strong client relationships.
• Over 5 years of sales experience in the technology industry

• Consistently met or exceeded sales targets by 20% each quarter

• Built and maintained relationships with key clients such as ABC Company and XYZ Corporation
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Q2. Where are you from
Ans. 
I am from a small town in the Midwest called Springfield.
• I grew up in a close-knit community where everyone knows each other.

• Springfield is known for its annual corn festival, which attracts visitors from all over.

• The town has a strong sense of community and pride in its local businesses.
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Q3. Salary expectation
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