ZS Data Analyst Interview Questions, Process, and Tips

Gave a dataset and 5 questions to solve it

Coded questions were given to solve in SQL and python

Aptitude and coding rounds are conducted

About analyst and other basic questions

Q1. No round three conducted
Add your answer
Q2. No round three conducted in interview
Add your answer

The level of questions were medium

Q1. Normal grammar questions
Add your answer
Q2. Jumbled sentences
Add your answer

Q1. Guessestimates were asked
Add your answer
Q2. Working alone vs in team
Add your answer

Round duration - 60 minutes
Round difficulty - Easy

This was an online aptitude round on the Talview platform which we can give from our Home. To attempt this test, we have been given a window of 12-24 hours. It was a proctored online test. The round consisted of 60 aptitude questions in 60 minutes of time without any negative marking. The aptitude test consisted of various questions of Logical Reasoning, Mental Ability, Data Interpretation Questions, Numerical Reasoning.

Q1. Puzzle
There are 6 people A, B, C, D, E, F sitting around a round table, we have to accurately guess the positions of all of them.
Add your answer
Q2. Transpose of a Matrix
You are given a matrix ‘MAT’. Print the transpose of the matrix. The transpose of a matrix is obtained by changing rows to columns and columns to rows. In other words, transpose of a ...read more
Ans. Brute-Force Approach
The basic idea is to create a new matrix with the position of elements different than the original matrix. An element at position (‘i’, ‘j’) will lie at position (‘j’, ‘i’) in the transpose of the matrix. So we simply create a new matrix with the position of elements changed.
 
Here is the algorithm :
 
1. Create a 2-D matrix(say, ‘transMAT’) of size ‘N’ and ‘M’ that will store the transpose of t...read more
Answered by CodingNinjas
Add your answer

Round duration - 30 minutes
Round difficulty - Medium

This was a video interview round taken immediately after the Aptitude test, it was a proctored round on Talview platform. This round consisted of 8 questions, we have to answer each question in the span of 3 mins and 10 secs were given for reading the question, our audio and video was being recorded while answering those questions. Our soft skills were being judged in this round. The questions basically consisted of HR questions and Guesstimates

Q1. Basic HR Question
The questions basically consisted of HR questions and Guesstimates. like give an example about the time you showed your leadership skills, give an example of the time when you have taken a...read more
Add your answer
Q2. Guesstimate
Some questions were guesstimates, for example- how much paint would you require to paint a wall of 10*10*10m.
Add your answer

Round duration - 120 minutes
Round difficulty - Hard

This round was the case study round, in this round, we were provided a case study which we had to solve in 1 hour using pen and paper and had to share the answers of the case study questions in a PDF format to the HR, the questions were related to market share, advertisement strategies, and can be easily solved using basic mathematics. After this, there was be a one-to-one interview on Zoom Platform in which the interviewer will ask you to describe your approach for every question you have solved in the case study, they will not ask for the exact answer, all they ask is about your approach that you have used to solve a particular problem and the way you explain it. They may or may not ask some guesstimates or puzzles as well in this round. The interviewer was very friendly and he gave me hints as well if I was stuck somewhere.

Q1. Case Study
The market hare for ABC company is declining, how would you suggest to increase their market share, what tactics the company can use.
Add your answer

Round duration - 60 minutes
Round difficulty - Hard

The next round was the Behavioral interview round, in this round, the interviewer asked me about my projects and some guesstimates or puzzles. This round was for 1 hour. The interviewer was very friendly and helpful, she helped me if I was stuck somewhere, she kept me calm during the interview process.

Q1. Guesstimate
How many people watched Ramayana/Mahabharat during the 1st month of Covid Lockdown in 2020.
Add your answer

Round duration - 40 minutes
Round difficulty - Hard

The fit round was my final interview round, in this, you will meet the manager/Principal from the company. They will basically check whether you are fit for the organization. They ask about the projects I have done in college/internships. Some basic questions like what are your strengths and weaknesses, why do you want to join the company and some guesstimates or puzzles as well.
On-campus, the behavioral and fit interview rounds were combined into one.
This round was of 40 minutes and the interview was taken on Zoom, the interviewer was helpful and sweet.

Q1. Guesstimate
How many Pizza's are sold in one day in Pune?
Add your answer