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Cognizione Consulting & Solutions Software Developer Intern Interview Questions and Answers
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Priyansh Jadon
1 Interview Round
HR Round (2 Questions)
- Q1. Please introduce yourself . Add Answer
- Q2. Why do you want to join tech mahindra Add Answer
Anonymous
I applied via LinkedIn and was interviewed before Dec 2023.
3 Interview Rounds
Aptitude Test Round
Aptitude along with English and comprehensive questions
Coding Test Round
Three coding questions one easy one medium one hard
One-on-one Round (2 Questions)
- Q1. Binary Search question from leetcode Add Answer
- Q2. Merge sort code Add Answer
CodingNinjas
I was interviewed in Nov 2020.
1 Interview Round
Coding Test Round (2 Questions)
Round duration - 60 minutes
Round difficulty - Easy
- Q1. Count Even Odd You have been given an array/list of integers 'ARR' of size 'N'. Your task is to find two things- 1. The number of elements that ...read more View Answers (1)
- Q2. Delete Nodes Which Have A Greater Value On Right Side You are given a linked list of integers where each node has two fields: data field which contains a value,...read more View Answers (3)
Interview Preparation Tips
Tip 1 : Try solving Love Babbar 450 Prog questions
Tip 2 : Have a good resume
Tip 3 : Do learn some extra technologies eg. ML/AI
Tip 1 : Do not lie at all
Tip 2 : Have some projects listed
Skills evaluated in this interview
I was interviewed in Apr 2021.
2 Interview Rounds
Coding Test Round (3 Questions)
Round duration - 135 minutes
Round difficulty - Hard
The Technical Round was of 2 hours 15 minutes and was conducted on HackerRank. It comprised of 5 sections:
Programming – 30 minutes: 2 easy to medium level questions (1 of 20 marks other of 30).
Quantitative Aptitude – 25 minutes: 7 Math-related MCQs.
Computer Science – 20 minutes: 8 MCQs based on Computer Science subject topics like OOPs, OS, DBMS, DSA
Advanced Programming – 45 minutes: 1 question on advanced Data Structures (100 marks)
Tell me about Yourself – 15 minutes: 2 essay type questions
- Q1. Counting Pairs You are given a positive integer N and an equation 1/X + 1/Y = 1/N You need to determine the count of all possible positive integral solutions (X...read more View Answers (3)
- Q2. Level Order Traversal You have been given a Binary Tree of integers. You are supposed to return the level order traversal of the given tree. For example: For th...read more View Answers (1)
- Q3. Score After Flipping Matrix You are given a 2 - D matrix, ‘MAT’, which consists of only 0s and 1s. Every row of the matrix is interpreted as a binary number, an...read more View Answers (2)
Video Call Round (8 Questions)
Round duration - 11 hours
Round difficulty - Easy
Finally, I was selected for the interview round which was conducted virtually over zoom.I had 4 rounds spanning over a period of almost 11 hours (10 AM- 9 PM) with breaks in between rounds, of course. As each of these rounds was an elimination round candidate had 1 to 4 rounds. In the end, we were 13 students left out of 65 students.
- Q1. First Round So the first round started with a tell me about yourself question, all the interviewers were pretty comforting and cooperative. She went ahead and a...read more Add Answer
- Q2. Second Round The second round again started with me introducing myself and I was asked out of all companies, Why Goldman Sachs? These are pretty standard questi...read more Add Answer
- Q3. Third Round In the third round, I was asked to brief any of my three projects mentioned within 10 15 minutes. She put some general questions in between but didn...read more Add Answer
- Q4. Fourth Round The final was more of a behavioural round but with a really tricky question based on a matrix. He asked me to introduce myself , how I manage time ...read more Add Answer
- Q5. Regular Expression Match Given a string ‘str’ and a string ‘pat’. The string s has some wildcard characters i.e ‘?’ and ‘*’. If any character is a ‘?’ we can re...read more View Answers (2)
- Q6. Basic Aptitude Questions There are 2 trees in a garden (tree "A" and "B") and on both trees are some birds. The birds of tree A say to the birds of tree B that ...read more View Answers (2)
- Q7. Fastest Horse There are ‘N’ horses running in ‘N’ different lanes numbered from 1 to ‘N’. You are given an array “FINISHTIME” containing ‘N’ integers where “FIN...read more View Answers (2)
- Q8. Group Anagrams Together You have been given an array/list of strings 'STR_LIST'. You are supposed to return the strings as groups of anagrams such that ...read more View Answers (3)
Interview Preparation Tips
Tip 1 : Be thorough with data structures and algorithms. Avoid just switching between different coding platforms according to people's suggestion instead pick one and stick to it(Leetcode worked for me!).
Tip 2 : Do not miss out on core subjects (for GS ,OOPs and Operating systems especially).
Tip 3 : Keep giving mock interviews (take at least 2 -3 prior to real one) ,it helps a lot to prevent last-minute interview anxieties and makes you feel prepared and confident.
Tip 1 : Choose the right format, it should reflect professionalism.Goldman Sachs blog suggests to arrange your resume with your educational information at the top,followed by your grade-point average,professional experience, projects and any special interests and activities or achievements.
Tip 2 : If you do not have any prior experience, solidify your projects section(3-4 is a good number).Articulate your project description in a precise and crisp format.
Tip 3 : Come up with three reasons why you should be picked for the job in accordance with job's description —these will be some of the top traits you’ll want to emphasize in your resume.
Tip 4 : Go through company's career blogs ,might give you relevant insights on what it expects then align your presentation in accordance with in.(Link to GS blog on resume tips:https://www.goldmansachs.com/careers/blog/posts/resume-tips-from-goldman-sachs.html )
Skills evaluated in this interview
I was interviewed in Mar 2021.
2 Interview Rounds
Coding Test Round (1 Question)
Round duration - 90 minutes
Round difficulty - Medium
This test was conducted on the Hackerrank platform, it was divided into 6 sections which contained a total of 66 questions with an overall time limit of 90 minutes, There was video proctoring, and changing sections were allowed.
The sections were-
Numerical Computations — 8 questions
Numerical Reasoning -12 questions
Comprehension — 10 questions
Abstract Reasoning — 12 questions
Diagrammatic Reasoning — 12 questions
Logical Reasoning — 12 questions
- Q1. Convert A Given Number To Words Given an integer number ‘num’. Your task is to convert ‘num’ into a word. Suppose the given number ‘num’ is ‘9823’ then you have...read more View Answers (2)
Video Call Round (1 Question)
Round duration - 45 Minutes
Round difficulty - Easy
The interview started at 12 in the noon.
The interviewer seemed very cheerful. He began by greeting and asked me for a quick introduction.
Then he talked about the various projects I have mentioned in my resume and what further improvements I was going to make in my projects. Further he started asking questions on fundamentals of Data Structures and Algorithms, few questions on operating syatem and gave a problem statement on DSA.
- Q1. Pair Sum You are given an array/list ‘ARR’ consisting of ‘N’ distinct integers arranged in ascending order. You are also given an integer ‘TARGET’. Your task is...read more View Answers (2)
Interview Preparation Tips
Tip 1 : Be honest about your skills and work experiences,especially prepare a good answer for the question "Tell me about yourself"
Tip 2 : Take whatever guidance you can get from seniors, faculty and your mentors.
Tip 3 : work on dynamic projects
Tip:4 : Try to write good and effective answers for the paragraph-based questions in the technical round.
Tip:5 : At the end always ask questions to the interviewer which shows your passion and interest to work in the company
Tip:6 : Always do some background search on the company you are applying for.
Tip 1 : Being honest about your achievements and projects
Tip 2 : Do not mention unnecessary details, only relevant details and information about the post you are applying for must be mentioned in your resume.
Tip 3 : Mention your unique qulities.
Tip 4 : Include 5-10 skills in the resume, and do highlight your most important skills and achievements.
Skills evaluated in this interview
I was interviewed in Feb 2021.
1 Interview Round
Coding Test Round (2 Questions)
Round duration - 90 minutes
Round difficulty - Hard
Timing was 10 AM. Environment was very well. Questions were well explained.
- Q1. Umbrella You are given ‘N’ types of umbrellas, where each umbrella can shelter some number of people. Given the number of people each umbrella can shelter in th...read more View Answers (3)
- Q2. Minimum number of swaps required to sort an array You have been given an array 'ARR' of 'N' distinct elements. Your task is to find the minimum ...read more View Answers (2)
Interview Preparation Tips
Tip 1 : Aptitude is must.
Tip 2 : Practice puzzle problems.
Tip 3 : Do atleast 2 projects.
Tip 1 : Keep it short.
Tip 2 : Have some projects on resume.
Skills evaluated in this interview
I was interviewed in Feb 2021.
1 Interview Round
Coding Test Round (2 Questions)
Round duration - 90 minutes
Round difficulty - Hard
Timing was 10 AM. Environment was very well. Questions were well explained.
- Q1. Umbrella You are given ‘N’ types of umbrellas, where each umbrella can shelter some number of people. Given the number of people each umbrella can shelter in th...read more View Answers (3)
- Q2. Candies Prateek is a kindergarten teacher. He wants to give some candies to the children in his class. All the children stand in a line and each of them has a g...read more View Answers (2)
Interview Preparation Tips
Tip 1 : Aptitude is must.
Tip 2 : Practice puzzle problems.
Tip 3 : Do atleast 2 projects.
Tip 1 : Keep it short.
Tip 2 : Have some projects on resume.
I was interviewed in Jan 2021.
4 Interview Rounds
Coding Test Round (2 Questions)
Round duration - 120 minutes
Round difficulty - Easy
This round was held in the evening at 6 o'clock on Hackerrank. It had coding questions: easy, medium, and hard level and MCQ's ( 1 minute for each MCQ). Negative marking was also there
- Q1. Word Search You have been given a column title as appears in an Excel sheet, return its corresponding column number. For example: A -> 1 B -> 2 C -> 3 ...read more View Answers (1)
- Q2. Climbing the leaderboard Given a leaderboard of a game with the following ranking pattern: The player with the highest score is ranked number 1 on the leaderboa...read more View Answers (3)
Video Call Round (2 Questions)
Round duration - 30 minutes
Round difficulty - Easy
This was an interview round ( technical round) that was held on video-call and a coding platform was also shared. The interviewer was very friendly with me . She was praising me on every solution that I provided.
- Q1. Flatten The Multi-Level Linked List You are given a multi-level linked list of N nodes, each node has a next and child pointer which may or may not point to a s...read more View Answers (1)
- Q2. The Celebrity Problem There are ‘N’ people at a party. Each person has been assigned a unique id between 0 to 'N' - 1(both inclusive). A celebrity is a ...read more View Answers (4)
Video Call Round (1 Question)
Round duration - 35 minutes
Round difficulty - Easy
This was an interview round ( technical round) that was held on video-call and a coding platform was also shared. The interviewer was very friendly with me . She was praising me on every solution that I provided.
- Q1. Design a hashset Design a HashSet without using any built-in hash table libraries. Implement the following public functions : 1) Constructor: It initializes the...read more View Answers (3)
HR Round (1 Question)
Round duration - 20 minutes
Round difficulty - Easy
Online HR+Technical Round .
- Q1. HR Questions
What language do you code in ?
Situational ProblemAdd Answer
Interview Preparation Tips
Tip 1 : Practice DP based questions as much as you can. Also, be confident during the interview about your solution. For practice, you can prefer Coding Ninjas and Geeks For Geeks.
Tip 2 : They do not judge you upon the number of internships you have done or the number of projects you have made. A single ,good-quality project is sufficient, provided you have in-depth knowledge about it. What matters to them is how efficient learner you are, how good is your problem-solving skill and also how confident you are with your answers.
Tip 3 : Practice topic -wise questions, participate in lots of coding contests, watch lots of Youtube solutions even after you could solve a question, because you may find a different approach that is efficient than yours and watching video solutions is always a better option than just reading the solution , as it gives a clear and deeper understanding of the logic's . Also pray hard along with your preparation.
Tip 1 : Keep it short. Mention the academic and professional projects you've done. Add your educational details properly with percentage or CGPA obtained.
Tip 2 : Keep your resume short and clear. Mention your projects and internships with a brief description and year of completion. Mention coding languages are known to you, or other technical skills that you are good at. Do not mention anything that you are not good at. Highlight the topics that you are really good at.
Tip 3 : Be very honest and figure out only those things in your resume that you really know. Anything extra or unknown may have a negative impact upon your interview if asked by the interviewer.
Skills evaluated in this interview
I was interviewed in Feb 2021.
2 Interview Rounds
Coding Test Round (2 Questions)
Round duration - 90 minutes
Round difficulty - Medium
It was on done in hackerrank
- Q1. Find rank You are given a matrix ‘ARR’ having dimensions ‘N*M’. Your task to find the rank of the matrix ‘ARR’. The rank of a matrix is defined as: (a) The maxi...read more View Answers (1)
- Q2. Number Of Triangles In An Undirected Graph Given an undirected graph, find how many triangles it can have where a triangle is a cyclic path of length three whic...read more View Answers (1)
Video Call Round (1 Question)
Round duration - 20 minutes
Round difficulty - Medium
Interviewer was quite friendly
- Q1. Technical Questions
Why we use linked list ?
Dynamic allocation?
Recursion?Add Answer
Interview Preparation Tips
Tip 1 : start from scratch
Tip 2 : practice as much as u can
Tip 1 : some students add fake internships to their resume dont do it.
Tip 2 : Don't Put Everything on There. Your resume should not have every work experience you've ever had listed on it.
Skills evaluated in this interview
I was interviewed in Nov 2020.
3 Interview Rounds
Coding Test Round (3 Questions)
Round duration - 120 minutes
Round difficulty - Medium
A 120-minute online test was conducted on HackerRank which had the following format:
1st Section :
2 Coding questions(30 minutes)
2nd Section :
10 MCQ questions(30 minutes)
3rd Section :
1 Advanced Programming Question(45 minutes)
4th Section :
2 Subjective Questions(15 minutes)
The coding questions and MCQ questions were a bit tricky so you need to manage your time properly and try to solve all the questions correctly..
Technical – included c and c++ output question, os(scheduling, semaphore), dbms(normal form, etc).
- Q1. The Celebrity Problem There are N people in a party, they might or might not know each other names. There is a celebrity in the group, celebrity does not know a...read more View Answers (5)
- Q2. Ways to express ‘n’ as the sum of consecutive numbers You are given the number ‘N’. The task is to find the number of ways to represent ‘N’ as a sum of two or m...read more View Answers (4)
- Q3. Number of Pairs with Given Sum You have been given an integer array/list(arr) and a number 'Sum'. Find and return the total number of pairs in the array...read more View Answers (3)
Video Call Round (2 Questions)
Round duration - 45 minutes
Round difficulty - Medium
interview started with a typical tell me about yourself question. The interviewer was nice and friendly.
He asked me to explain a little about my projects (only basics).
Which all data structures you know and my favourite data structure. I replied with a linked list.
He asked the difference between array and linked list, time complexities of insertion, deletion, etc. in both of them. Then he asked about sorting an array, different algorithms, and their time complexities.
How would you sort a linked list? How would you find the middle of the linked list in one pass? How would you merge two linked lists (I had to write code for the same)?
Then he asked how would you be able to manage the business and finance decisions at GS.
Tell me an incident when you had the chance to display your leadership skills.
Lastly, I was allowed to ask questions from the interviewer.
- Q1. Explain linked list and operations on linked list Add Answer
- Q2. Check if two nodes are cousins You are given an arbitrary binary tree consisting of N nodes, where each node is associated with a certain value, and two node va...read more View Answers (3)
Video Call Round (2 Questions)
Round duration - 45 minutes
Round difficulty - Medium
This round was relatively short and mostly consisted of coding (on hackerrank’s codepair platform)
The interviewer asked me about my previous interview and what all questions were asked in it.
Then there was a discussion about my projects and the technologies used in them. How would you deploy an application and what happens in the process of entering a keyword in the browser and loading your requested page?
He asked me to write the code for finding the middle of a linked list in one pass.
After that, I had to write the code for the implementation of a queue. I first discussed the approaches with him using array and linked lists for some time. They wrote the code using a linked list by taking head and tail pointer.
He was satisfied with it and the round ended with me asking him the questions I had.
- Q1. Middle of Linked List Given the head node of the singly linked list, return a pointer pointing to the middle of the linked list. If there are an odd number of e...read more View Answers (3)
- Q2. Explain queue Add Answer
Interview Preparation Tips
Tip 1 : Revise all the coding interview questions that you have solved so far in the last few days
Tip 2 : Practice writing the codes on paper with clarity
Tip 3 : Mention only those thing that you know in your CV and revise your projects nd everything you have mentioned on your resume thoroughly.
Tip 1 : Do not even mention topics you have no idea about
Tip 2 : you should have some projects on resume and you should be able to explain clearly why you have chosen the particular project, what does it do, its functionality, outcomes and everything about each of the projects.
Tip 3 : Tailor your resume according to the needs/the role you are applying for
Skills evaluated in this interview
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