Bajaj Finserv Health Interview Questions, Process, and Tips

Coding questions involving array and string manipulation.

Q1. What are closures in javascript?
Ans. 
Closures in JavaScript are functions that have access to variables from their outer scope even after the outer function has finished executing.
• Closures allow functions to access variables from their outer scope

• They are created when a function is defined within another function

• Closures can be used to create private variables and functions
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Q2. What is the event loop in javascript?
Ans. 
The event loop in JavaScript is responsible for handling asynchronous operations by continuously checking the call stack and the callback queue.
• The event loop continuously checks the call stack for any functions that need to be executed.

• If the call stack is empty, the event loop checks the callback queue for any asynchronous tasks that have completed.

• The event loop then pushes these tasks onto the call stack for execut...read more
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Q1. What are your skills ?
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Q2. What are your hobbies ?
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Q3. How did you know about this job ?
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Q4. Do you have any experience ?
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Q1. Are you a team player ?
Ans. 
Yes , I can play the team with very well and in effective manner it may lead to achieve the desired goals within a given period of time.
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Q2. Are you working somewhere ?
Ans. 
No, I am not working currently any where .
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Great to the subject

Q1. About company work style
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Q1. Basic DSA questions
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Q1. Your background and resume based.
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Q1. Asked about CV & other stuff
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Case study on Google reviews

Q1. Last formal round with CPO
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Round duration - No duration
Round difficulty - Easy

Round duration - 90 minutes
Round difficulty - Medium

It was a day test conducted on hackerearth. There were few mcqs and 2 coding questions.

Q1. 
Ninja And The Fence Problem Statement
Ninja is given a task of painting a fence with ‘N’ posts using ‘K’ different colors. The task requires that not more than two adjacent posts have the same color. Your...read more
Ans. Recursive Brute Force
Approach:  Say the function 'solve(n)' calculates how many ways to paint a fence with 'N' points and 'K' colors. we want to figure out the relationship between 'solve(n)' for 'N' points and with fewer points fence solutions like 'solve(n - 1)', 'solve(n - 2)', 'solve(n - 3)'.
 
Assume that both 'solve(n - 1)' and 'solve(n - 2)' are valid results, which means the last 2nd color is mush not e...read more
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Round duration - 45 minutes
Round difficulty - Easy

It was a face to face round with Senior Software Engineer. The topic of discussion was Data Structures, Reactjs, the projects I've made and basic web development.
I was given array question to solve and my javascript skills were tested.
There was a good discussion over my major projects and the work I've done.

Q1. 
Reverse the String Problem Statement
You are given a string STR which contains alphabets, numbers, and special characters. Your task is to reverse the string.
Example:
Input:
STR = "abcde"
Output:
"e...read more
Ans. 
Step 1 : I first applied normal iteration to reverse the string.
Step 2 : Then they updated the question and give a string expression to reverse.
Step 3 : I then converted it to char array and then reversed the individual word. The interviewer was happy with it.
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Q2. 
Count Pairs with Given Sum
Given an integer array/list arr and an integer 'Sum', determine the total number of unique pairs in the array whose elements sum up to the given 'Sum'.
Input:
The first line c...read more
Ans. 
Step 1 : I applied O(n^2) approach firstly.
Step 2 : The interviewer asked to optimize but I cannot think at that moment.
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Round duration - 45 minutes
Round difficulty - Medium

It was a face to face interaction with Tech Lead. Most of the discussion was over Javascript and Reactjs to test my indepth knowledge of basics and advance concepts. Also, questions and discussion on arrays, strings, maps, optimization was there.
There were several questions on OOPS, javascript and reactjs.

Q1. 
Delete a Node from Linked List Problem Statement
Given a linked list of integers, your task is to implement a function that deletes a node at a specified position, 'POS'.
If the specified position is gre...read more
Ans. 
Step 1 : I first applied the native approach to iterate and find the previous and next node and the delete the given node.
Step 2 : I was asked to optimize and since I know the optimization so I used the recursive approach.
Step 3 : The interviewer was impressed over this.
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Round duration - 10 minutes
Round difficulty - Easy

It was an easy round with the HR of the company. We had a normal discussion over my work and future expeditions and student life.