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Celebal Technologies React Developer Interview Questions and Answers

Updated 18 Apr 2024

Interview questions from similar companies

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Referral and was interviewed in Aug 2024. There were 2 interview rounds.

Round 1 - Technical 

(3 Questions)

  • Q1. Small Javascript coding questions
  • Q2. Basic html and css questions
  • Q3. Questions about last companies project
Round 2 - Technical 

(2 Questions)

  • Q1. JS coding questions, output based questions
  • Q2. 2 html questions

Interview Preparation Tips

Interview preparation tips for other job seekers - focus on JS
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Jul 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

CBT-based assessments in aptitude and pseudocode for the MCA program.

Round 2 - Technical 

(5 Questions)

  • Q1. React development basic questions
  • Q2. Basic html, css, js
  • Q3. Basic JSX and introduction of react
  • Q4. Basic state management like useState, useeffect, usecontext
  • Q5. Redux for global state management

Interview Preparation Tips

Interview preparation tips for other job seekers - As a newcomer, always rely on the fundamentals of various technologies such as Java, HTML, CSS, and JavaScript.
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Basic Questions, Data types, Promises
  • Q2. Event loop, and other js concepts
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
No response

I applied via Campus Placement and was interviewed in Apr 2024. There were 2 interview rounds.

Round 1 - Group Discussion 

Maintain a good communication to the hr

Round 2 - Technical 

(5 Questions)

  • Q1. Questions from your resume and projects
  • Q2. Difference between elements and tags
  • Ans. 

    Elements are individual components of a web page, while tags are used to define the structure of elements in HTML.

    • Elements are the actual components on a web page, such as headings, paragraphs, images, etc.

    • Tags are used to define the structure of elements in HTML, such as

      for a heading or

      for a paragraph.

    • Elements can have attributes that provide additional information or functionality, while tags do not.

Answered by AI
  • Q3. Uses of functions in js
  • Ans. 

    Functions in JavaScript are used to define reusable blocks of code that can be called multiple times.

    • Functions can be used to perform specific tasks or calculations.

    • Functions can be passed as arguments to other functions.

    • Functions can be assigned to variables or properties of objects.

    • Functions can be used to create closures for encapsulating data.

    • Functions can be used to create custom methods for objects.

  • Answered by AI
  • Q4. Uses of get elementbyId in js
  • Ans. 

    getElementById is used in JavaScript to access and manipulate an element in the DOM by its unique ID.

    • Used to retrieve a specific element from the DOM by its ID

    • Allows for manipulation of the element's properties, styles, and content

    • Commonly used in event handling and dynamic content updates

  • Answered by AI
  • Q5. Typesof cssess ?
  • Ans. 

    There are three types of CSS: inline, internal, and external.

    • Inline CSS is applied directly to an HTML element using the style attribute.

    • Internal CSS is defined within the head section of an HTML document using the style tag.

    • External CSS is stored in a separate file and linked to the HTML document using the link tag.

  • Answered by AI

    Interview Preparation Tips

    Interview preparation tips for other job seekers - Be confident at what you have

    Skills evaluated in this interview

    Interview experience
    1
    Bad
    Difficulty level
    -
    Process Duration
    -
    Result
    Not Selected

    I applied via Referral and was interviewed in Jun 2024. There was 1 interview round.

    Round 1 - Technical 

    (2 Questions)

    • Q1. Multiple interviews were cancelled and the final inter was just for 20 mins in which the interviewer was unavailable for 6-7 mins
    • Q2. Interviewer just wanted reasons to reject the profile
    Interview experience
    3
    Average
    Difficulty level
    -
    Process Duration
    -
    Result
    -
    Round 1 - Technical 

    (1 Question)

    • Q1. I don't Remember the question1
    Round 2 - Technical 

    (2 Questions)

    • Q1. I don't remember the question2
    • Q2. I don't remember the question
    Interview experience
    5
    Excellent
    Difficulty level
    Moderate
    Process Duration
    Less than 2 weeks
    Result
    Not Selected

    I applied via Campus Placement and was interviewed in Sep 2023. There were 3 interview rounds.

    Round 1 - Coding Test 

    Coding and aptitude and logical reasoning three sections were there.In Coding you have 4 language to choose from and you must select 2 languages and in each language you have to solve 2 questions. It was relatively easy .

    Round 2 - Technical 

    (3 Questions)

    • Q1. They ask you to do programming for questions. If you are a thief and you have an array of houses you cannot rob the beside houses of the house you ribbed. Maximise the loot.
    • Q2. Insert node at middle in linked list
    • Ans. 

      To insert a node at the middle of a linked list, find the middle node and adjust pointers accordingly.

      • Find the middle node using slow and fast pointers

      • Insert the new node after the middle node

      • Adjust pointers to link the new node correctly

    • Answered by AI
    • Q3. Find number of Perfect subarrays of the given array .A perfects subarray has odd value at odd place and even value at even position.
    • Ans. 

      Count the number of perfect subarrays in an array where odd values are at odd positions and even values are at even positions.

      • Iterate through the array and keep track of the count of odd and even numbers encountered so far.

      • If the count of odd and even numbers at the current index matches the index itself, increment the count of perfect subarrays.

      • Example: For array [2, 1, 3, 4], there are 3 perfect subarrays: [2, 1], [1

    • Answered by AI
    Round 3 - Technical 

    (3 Questions)

    • Q1. They give you direct leetcode sums and ask to solve
    • Q2. Find if a number is there in a sorted array or not and if its not there where shoud it be inserted in log(n) time
    • Ans. 

      Binary search can be used to find the number in a sorted array in log(n) time.

      • Implement binary search algorithm to find the number in the sorted array.

      • If the number is not found, return the index where it should be inserted.

      • Time complexity of binary search is O(log n).

    • Answered by AI
    • Q3. You are given parallel bars selecting two bars you can make a container .Maximise area.Find the slution in o(n)
    • Ans. 

      To maximize the area of a container formed by two parallel bars, use the two-pointer approach in O(n) time complexity.

      • Use the two-pointer approach to iterate from both ends towards the center of the array.

      • Calculate the area formed by the two bars at each step and update the maximum area found so far.

      • Move the pointer with the smaller height towards the center to potentially find a larger area.

      • Repeat the process until th

    • Answered by AI

    Interview Preparation Tips

    Interview preparation tips for other job seekers - Do leetcode questions daily.Do medium and easy questions daily.
    I heard last round contained them asking questions from other big coding platforms such as geekforgeeks ,CodeChef etc

    Skills evaluated in this interview

    Interview experience
    4
    Good
    Difficulty level
    Moderate
    Process Duration
    -
    Result
    -
    Round 1 - Coding Test 

    Promise-based JS coding question

    Interview experience
    4
    Good
    Difficulty level
    Moderate
    Process Duration
    -
    Result
    Selected Selected
    Round 1 - One-on-one 

    (1 Question)

    • Q1. What Prototype in JS What is closure in JS What Recursive functions What Constructor functions What hoisting in js Diff btw var,let, const Find the no of occurance of text in string Find the duplicate cou...
    • Ans. 

      Prototype in JS refers to the mechanism by which objects in JavaScript inherit properties and methods from other objects.

      • Prototype chain allows objects to inherit properties and methods from other objects

      • Prototype-based inheritance is a key feature of JavaScript

      • Example: Creating a new object using a constructor function and adding methods to its prototype

    • Answered by AI

    Skills evaluated in this interview

    Celebal Technologies Interview FAQs

    How many rounds are there in Celebal Technologies React Developer interview?
    Celebal Technologies interview process usually has 2 rounds. The most common rounds in the Celebal Technologies interview process are Coding Test and HR.

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    Celebal Technologies React Developer Interview Process

    based on 1 interview

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    Excellent
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    Celebal Technologies React Developer Salary
    based on 4 salaries
    ₹4.5 L/yr - ₹8 L/yr
    At par with the average React Developer Salary in India
    View more details

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