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Vertoz Interview Questions and Answers for Freshers
Vertoz Interview Experiences for Freshers
3 interviews found
Anonymous
Selected
I applied via LinkedIn and was interviewed in Jul 2024. There was 1 interview round.
(2 Questions)
- Q1. SQL Window Functions and RANK, DENSE RANK Difference
- Ans.
SQL Window Functions like RANK and DENSE RANK are used to assign a rank to rows within a partition.
RANK function assigns a unique rank to each distinct row within a partition.
DENSE RANK function assigns a unique rank to each distinct row within a partition, but without any gaps.
Both functions are used with the OVER() clause in SQL to define the partition and order of rows.
- Q2. Hadoop Default Replication Factor
Interview Preparation Tips
- SQL
- Spark
- Hadoop
- YARN
Salary offered is below industry standard.
Overall not a good experience.
Skills evaluated in this interview
Data Engineer Interview Questions asked at other Companies
I applied via Company Website and was interviewed in Jul 2024. There was 1 interview round.
(2 Questions)
- Q1. Gave a me a task to perform on data cleaning
- Q2. Question regarding ETL and data pre-processing
Data Science Intern Interview Questions asked at other Companies
Kajal Paradkar
(2 Questions)
- Q1. What is your highest education
- Q2. How many people in family and what they do?
Data was given along with questions you have to answer 2 of them
(1 Question)
- Q1. 2nd highest number from an array
- Ans.
Find the 2nd highest number in an array of strings.
Convert the array of strings to an array of integers for comparison.
Sort the array in descending order to easily find the 2nd highest number.
Return the element at index 1 as the 2nd highest number.
(1 Question)
- Q1. Yet to complete the interview
Interview Preparation Tips
Skills evaluated in this interview
Data Science Intern Interview Questions asked at other Companies
Jobs at Vertoz
Interview questions from similar companies
Sumit saurabh
Interview Questionnaire
1 Question
- Q1. Technical telephonic round
Interview Preparation Tips
Experience: Round one
was an online technical and general aptitude and English round.
There were two sections.
First you have to complete general aptitude questions in a fix time (45 or 30 mins).
Questions in this round were very easy and basic and related to time and work,
train problems, age problems, percentage, number series questions, English and
logical reasoning questions.
In second
section there were two coding questions. You have to code them in 30 minutes.
Questions were very easy like Fibbonacci series, Matrix Multiplication,
Factorial, Vowels and consonants separating, power finding, Numbers and character
separating etc.
Tips: Attempt Both the coding question if it is possible.
Round: Technical Interview
Experience: It was an online coding round. They sent two questions for coding and then email the code to them. Questions were very easy. you have to code them in one and half hour.
Everyone coded both of the questions. (sorry I forgot the questions).
Round: Technical Interview
Experience: It was a
little tedious round. They asked concepts related to networking like IPv4,
routing, Subnet masking, Internet Layers, Network Modules. They were trying to
cover all topics. Then they ask related to software computing and their modules, Database modules and some SQL queries. There were questions related to data structures like arrays, link
lists, searching techniques and their complexities, some C and C++ concepts.
It was approximate two hours interview. You have to clear all the basics concepts of
all the subjects for clear the interview.
Tips: They will try to cover all sections you need to try be confidient and answer quickly.
Skills: Coding Skills, Problem solving efficiency, Interpersonal skills
College Name: IIT Dhanbad
Interview Questionnaire
2 Questions
- Q1. Little discussion on my project
- Q2. Given a chessboard and the initial position of horse. If “n” is the number of steps the horse can make then what is probability that it goes out of board ?
- Ans.
Probability of a horse going out of a chessboard in 'n' steps.
The total number of possible moves for a horse is 8.
The probability of going out of the board depends on the position of the horse.
For example, if the horse is at a corner, the probability of going out of the board is higher.
The probability can be calculated using combinatorics and geometry.
Interview Preparation Tips
Experience: They did not expect any code in this round. An algo or pseudo code is fine.
1) You are given 2 vessels with capacity M liters and N liters capacity and infinite supply of water. You need to find the minimum number of steps required to get P liters. Any of the below action is considered a step
a) Filling vessel with water
b) Emptying vessel
c) Pouring water from one vessel to another vessel.
2) Given n sets each containing m integers. You need to create MinDiff set by picking exactly 1 element from each set. The difference between the maximum and minimum elements in the MinDiff set should be minimum.
eg: for the sets {30, 20, 10, 40},{ 22, 33, 44, 99},{ 16, 17, 18, 19} min diff set is {19, 20, 22}. Max and min elements in MinDiff set are 22 and 19 and their difference is 3.
Round: Technical Interview
Experience: 1) you will be given the binary representation of the numbers in the form of 2D array.eg: r1- 00001
r2- 00100
r3- 01010
r4- 00110
r5- 00111 This means the elements are 1, 4, 10 , 6 and 7.
A number “n” is given. Let us say that n can be formed by doing bitwise OR operation on rows of given matrix. What is the minimum number of rows that needs to be deleted from the matrix so that “n” can never be formed by doing the OR of the rows.
If n is 14(01110) then it can be formed by doing r2|r3 or r3|r4. You can prevent n formation either by deleting {r2,r4} or {r3}. But {r3} has least number of elements so it is the required set.2) Find the average of mid 50% of elements in the running stream of integersI have not cleared round-II so no further questions.
College Name: IIT GANDHINAGAR
Anshul Gupta
I applied via Campus Placement
Interview Questionnaire
3 Questions
- Q1. Tell me one thing about you that's not listed on your resume
- Ans.
I am an avid traveler and have visited over 20 countries
I love experiencing new cultures and trying new foods
I have backpacked through Europe and Asia
I have volunteered in orphanages in Cambodia and Nepal
- Q2. When you hear InMobi, what's the first word that comes in your head?
- Ans.
Mobile advertising platform
Adtech
Mobile marketing
App monetization
- Q3. The office of InMobi technologies has 10 floors, each with 300 employees. In the morning (7-8 AM), the building sees 3000 employees entering and waiting in a queue for 3 lifts. In the morning, everyone goe...
Interview Preparation Tips
Experience: The first round was a resume shortlist, which I think was on the basis of programming and coding courses (and projects) taken along with your CGPA. Out of 10 shortlisted people, I knew 4 and all of us were 9 pointers. The rest who I didn't know turned out to be 9 pointers as well! :P
Out of 10 shortlisted people, 3 (including me) were from ECE and the rest were from CS. Even though InMobi was open for Mathematics & Computing, no person from MnC dept. was in the shortlist. (Presumably due to their CGPAs or some other criterion that I'm not in the knowledge of.)
Tips: i) High CGPA is a must (We're talking above 9, at the end of 2nd year for CS/ECE and 3rd year for MnC)
ii)Taking programming and algorithm courses and projects is important, as that must be visible in your resume.
Round: Puzzle Interview
Experience: One special thing about the interviews, you're asked not to wear any formals! That actually helps in taking the tension off of things!
It's simple logic, after that. Increase the lift's speed (taking in mind of the safety), collecting usage data, optimising the lift's floor-stoppage according to that.
As told after the interview, the interviewer is just observing how you think and approach a problem.
One odd thing was not being asked about any coding/algorithm questions even though the profile was for a software engineer.
After this question, I was asked if I had any questions to ask. I simply stated that the work environment and culture affected me as much as the profile I'm applying for. Thus, the drive and motivation of the people who work there is also very important. So I asked what are the companies' values which the employees believe in, too.
Tips: Stay confident, don't let any tension get to your head.
In the future, InMobi may start asking coding questions too in the interviews. or change the selection procedure, which will be communicated in the PPT of InMobi.
Whatever may happen, the first round should show your zeal to solve problems, your creativity in trying different approaches, and applying logic to find the best solution.
Round: HR Interview
Experience: OK! There were a lot of questions asked since the interview was more like a conversation taking place. Like in ANY conversation, keep proper eye contact, smile and be approachable for any questions. Show enthusiasm in your voice and your answers. The interviewer asked me questions about
i)My resume, and all the activities that I'd listed there. (eg: Why did you enlist in this course? Do you like coding?)
ii)Why programming, how does it interest you?
iii)Basic questions about InMobi, like 'What do you know about us after attending the PPT?' and 'Why InMobi'
Since I had done quite a lot of marketing activities, I was also asked about that. Will you do an MBA in the future? What all did you do for marketing? I had a strong background in digital marketing, and we had a little chat about mobile marketing and what's the future of mobile advertising.
Tips: Smile, for god's sake! It's a conversation about you, do all the basic things to improve the conversational experience.
Small things like greeting the interviewer, smiling, proper eye contact, and speaking properly are paramount.
Like in any HR interview, make sure you know yourself and your resume properly, so that you don't phase out in the interview when asked some 'unexpected' question. (since that's when they know thatyou might be lying/exaggerating). Hence introspect enough before sitting the interviews.
General Tips: Make sure you're able to convince yourself and the interviewers for why do you want to work in Inmobi Technolgies.
I've already shared the rest in previous sections! :)
2 people out of 10 were selected for this internship experience, so make sure you prepare well! All the best! :D
Skill Tips: I don't think that this adds on as a skill, but InMobi wants to create a huge impact on the mobile world and the mobile advertising sector.
Your knowledge about this sector in general could help you strike good conversations (at least in the HR round).
Skills: Logic, Problem Solving Abilties, Creativity, Communication Skills
Duration: 2.5
College Name: IIT Kharagpur
Motivation: I'm a gadget geek from my childhood. The mobile industry amazes me as it's been the biggest change-bringer in the modern world. InMobi as a company wants to create a huge impact in the mobile advertising space and mobile advertising! And seeing their products that they offer in this domain had me thinking that they're doing something unique and awesome!
The work culture of InMobi is just amazing, right from flexible work hours to the epic office they have in Bangalore full of awesome people working towards that one goal! Also, InMobi offers their employees opportunities to shift between various verticals if they want to. All of this (along with a good compensation ;-) ) was enough motivation for me to apply!
Funny Moments: When I was asked whether I was in the third year, I said yes, and then said, usually people think that I'm still in high school!
We had a good laugh on that one! :P
Otherwise also, the entire procedure was relaxed and fun in general.
I was interviewed in Nov 2016.
Interview Questionnaire
5 Questions
- Q1. Devise a strategy for new company to enter in to e-comm sector
- Ans.
Develop a strategy for a new company to enter the e-commerce sector.
Conduct market research to identify target audience and competitors
Create a user-friendly and visually appealing e-commerce website
Implement effective digital marketing strategies to drive traffic and increase brand visibility
Offer competitive pricing and attractive discounts to attract customers
Provide excellent customer service and ensure smooth orde...
- Q2. Strength and Weakness Question
- Q3. How many people travel from city A to B by road
- Ans.
The number of people traveling from city A to B by road is unknown.
There is no available data to determine the exact number of people traveling from city A to B by road.
Without specific data, it is impossible to provide an accurate answer.
A survey or data collection process would be required to determine the number of people traveling between the cities.
- Q4. How can you make 4L from 3L and 5L jar
- Q5. Situation based question
Interview Preparation Tips
Experience: It was online written round consisting of basic aptitude questions
Tips: Be Quick
Round: Guesstimate Interview
Experience: Discussion Stretched out for an hour
Tips: Be Analytical, approach matters not the answer
Round: Puzzle Interview
Experience: Be confident
Tips: NA
Round: Case Study Interview
Experience: Stretched out for an hour
Tips: Learn all the digital marketing matrices
Round: Behavioural Interview
Experience: Just be confident don't fake
Tips: Tell what you really feel like
Round: HR Interview
Experience: Stereotype Questions
Tips: Prepare well for these questions
College Name: VIT Vellore
Interview Questionnaire
9 Questions
- Q1. Find Maximum sub sequence sum in an array ?
- Ans.
Maximum sub sequence sum in an array
Use Kadane's algorithm
Initialize max_so_far and max_ending_here to 0
Iterate through the array and update max_ending_here and max_so_far
Return max_so_far
- Q2. What do you understand by the endianness of the system ? How do you find out the the type of endianness ?
- Ans.
Endianness refers to the byte order of a system. It determines how multi-byte data types are stored in memory.
Little-endian systems store the least significant byte first, while big-endian systems store the most significant byte first.
Endianness can affect the way data is transmitted between systems.
To determine the endianness of a system, you can use the byte order mark (BOM) or write a test program that checks the by...
- Q3. Sort an array which consists of 0's and 1's only
- Ans.
Sort an array of 0's and 1's only.
Use two pointers, one at the beginning and one at the end of the array.
Swap 0's from the beginning with 1's from the end until the pointers meet.
Alternatively, use a counting sort algorithm to count the number of 0's and 1's and then reconstruct the array.
- Q4. A question on applications of minimum spanning tree, apply prim's or kruskal's algorithm
- Q5. What do you understand by Heaps, max and min heaps ?
- Ans.
Heaps are data structures used to efficiently find the maximum or minimum element in a collection.
Max heap: parent nodes are always greater than or equal to child nodes
Min heap: parent nodes are always smaller than or equal to child nodes
Heaps are commonly used in priority queues and sorting algorithms
Heap operations include insert, delete, and extract max/min
Example: An array [3, 8, 2, 5, 1, 4, 6] can be represented a
- Q6. What do you understand by hashing ? questions on application of hashing
- Q7. Find 3 nos a,b and c in an array where a+b = c
- Ans.
Find 3 numbers in an array where a+b=c.
Loop through the array and check for all possible combinations of a and b.
Use a hash table to store the values of a and b, and check if c is present in the hash table.
Sort the array and use two pointers to find a and b, and then check if their sum equals c.
- Q8. Some puzzles, as the other interviewee said, but not asked to me
- Q9. Questions on Dynamic programming
Interview Preparation Tips
Skills evaluated in this interview
I was interviewed before Jun 2016.
Interview Questionnaire
9 Questions
- Q1. Questions on my resume. 1. What is your CGPA? 2. Tell us about your project (3-2 project).
- Q2. Which coding language do you prefer and why?
- Ans.
I prefer Python because of its simplicity, readability, and extensive libraries.
Python is known for its simplicity and readability, making it easier to write and understand code.
Python has a large number of libraries and frameworks that can be used to quickly develop applications.
Python's syntax is clean and concise, allowing for faster development and easier maintenance.
Python is widely used in various domains such as...
- Q3. Questions on my interests
- Q4. Questions on Android ROMS
- Q5. Salary discussions
- Q6. Work place (location)
- Q7. Questions on technical skills required for the post
- Q8. Where do you lack? (And more questions to build stress)
- Q9. Why do you want to work with Pubmatic?
- Ans.
I want to work with Pubmatic because of their innovative technology solutions and strong reputation in the industry.
Pubmatic is known for their cutting-edge technology solutions in the digital advertising space
I admire Pubmatic's strong reputation and track record in the industry
I believe working at Pubmatic will provide me with valuable learning opportunities and career growth
Interview Preparation Tips
Experience: Essay on 'Today's trending topics'. My topic was, 'Smartphone boon or curse'.
Tips: Write in lay man's language. Your approach should be an engineer's point of view.
Duration: 1 hour
Round: Technical Interview
Experience: Face to Face interview with Assistant Manager.
This interview was mainly to check my communication skills and basic technical knowledge.
Tips: Try to be yourself. Improve your communication skills, as no company selects a candidate who can't present her/his views.
Round: Behavioural Interview
Experience: Face to Face interview with Manager.
(I was selected after this round because of my confidence. )
Tips: As mentioned before you must have confidence and good communication skills. Be thorough with your basics orelse you will land up in an awkward situation. :p
Round: HR Interview
Experience: This round was for discussing salary and other facilities.
Tips: Be sure about your answer for 'preferred work place'. All the best.
Skills: Coding Skills, Proficiency In English, Confidence, Communication
Interview Questionnaire
3 Questions
- Q1. Algorithms on arrays and strings (coding)
- Ans.
Algorithms for manipulating arrays and strings in coding
Use sorting algorithms like quicksort and mergesort for arrays
Use string manipulation functions like substring and replace for strings
Use dynamic programming for optimizing solutions to array and string problems
- Q2. Distributed Database Design
- Q3. Large scale Ad Server Design
- Ans.
Designing a large scale Ad Server
Use distributed systems for scalability
Implement caching for faster ad delivery
Ensure high availability and fault tolerance
Use real-time bidding for efficient ad placement
Implement fraud detection mechanisms
Ensure compliance with privacy regulations
Interview Preparation Tips
Experience: They tested on thought-process during design problems. What problems are with the current solution I suggested and how to improve it...
Tips: Hints from interviewer are very helpful
Keep talking while you are thinking
Skills: Algorithms, Thinking Skills, Coding
College Name: IIT KHARAGPUR
Skills evaluated in this interview
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Vertoz Interview Process for Freshers
based on 3 interviews
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