Tredence Interview Questions, Process, and Tips

Q1. 1)Tell me about yourself. 2)What Technical Tools i know and skills i have. 3)What did i do in my previous company(in detail)
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Round duration - 90 minutes
Round difficulty - Easy

Q1. Reverse Linked List
Given a singly linked list of integers. Your task is to return the head of the reversed linked list.
For example:
The given linked list is 1 -> 2 -> 3 -> 4-> NULL. Then th...read more
Ans. Brute Force
The brute force approach is to use recursion. First, we reach the end of the Linked List recursively and at last node, we return the last node, which becomes the new head of the partially reversed Linked List. While coming back from each recursion call we add the current node in the current recursion call to the last node of the partially reversed Linked List and assign the current node to null.
 
Steps:
&...read more
Answered by CodingNinjas
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Round duration - 60 minutes
Round difficulty - Easy

Q1. Node JS based Question
Had to make a connection to a DB via NodeJS. Then take input from a form and feed it into a database.
Ans. 
Created a connection in Node.
Created a form in HTML
Fetched the data and fed it to the API
Did some processing and sent it to the database
Answered by CodingNinjas
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Q2. Puzzle
4 litre water puzzle
Ans. 
Tip 1 : Understand the problem in detail
Tip 2 : Discuss possible cases
Tip 3 : Communicate your thoughts clearly on your approach
Answered by CodingNinjas
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Round duration - 40 minutes
Round difficulty - Easy

Q1. Web Development Question
Gave CSS code and asked me to debug it to make the functionality work
Ans. 
I understood the result expectation first
I analyzed the given code
There was an issue in the parent and child selection, so I fixed that.
The interviewer tried to confuse me by asking few variations.
Answered by CodingNinjas
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Q1. Scenario based python and SQL questions
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Q1. General discussion with manager
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Round duration - 45 Minutes
Round difficulty - Hard

It was conducted in the evening on Teams call. It was a mix of DSA question, conceptual discussion on javascript and node.js.

Q1. All Paths From Source Lead To Destination
There is a directed graph consisting of ‘N’ nodes numbered from 0 to ‘N’-1. You are given a list ‘EDGES’ of size ‘M’, consisting of all the edges of this directed...read more
Ans. 
The idea is to do Depth First Traversal of given directed graph.
Start the DFS traversal from source.
Keep storing the visited vertices in an array or HashMap say ‘path[]’.
If the destination vertex is reached, print contents of path[].
The important thing is to mark current vertices in the path[] as visited also so that the traversal doesn’t go in a cycle.
Answered by CodingNinjas
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Round duration - 30 Minutes
Round difficulty - Medium

Q1. Design Question
I was given a wireframe of dashboard and was asked to come up with a similar looking dashboard in angular and node.js.
Ans. 
Tip 1 : Structure your code well.
Tip 2 : Be thorough with the whats and whys of the implementation.
Tip 3 : See that the project runs and you can demo it.
Answered by CodingNinjas
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Round duration - 60 Minutes
Round difficulty - Medium

It was a hiring manager round which happened in the evening. The interviewer introduced me to the product I was being hired for, asked me a few questions on my experience (both technical and business). I talked on the architecture and design of Single page applications and my then current project. I was also allowed to ask questions and they were addressed.

Q1. Project Based Question
Explain the architecture of your current project.
Ans. 
Tip 1 : Talk on tech stack.
Tip 2 : Talk on design decisions and challenges, and resolutions.
Tip 3 : Be thorough of working of components and modules of your project.
Answered by CodingNinjas
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Round duration - 30 Minutes
Round difficulty - Easy

It was in the evening. The interviewer was professional. I was asked about my past experiences, why I was switching and some behavioral questions.

Q1. Basic HR questions
Questions on past experiences, why I was switching. What I like and dislike about my past role. What is my expectations from future roles.
Ans. 
Tip 1 : Be honest and communicate your ideas clearly.
Tip 2 : Set your expectations well.
Tip 3 : Be professional
Answered by CodingNinjas
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