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ZS Interview Questions, Process, and Tips

Updated 20 Mar 2025

Top ZS Interview Questions and Answers

  • Q1. Case Study: Why a drug was suddenly not doing well when compared to its competitors? Three calculations on sales force optimization. (Case Type: Quantitative and Qualitat ...read more
  • Q2. A sales force optimization problem where I had to distribute X no. of available sales reps for selling two refrigerator brands. The diminishing rate of the marginal benef ...read more
  • Q3. Explain your BTP in layman terms and give me some examples where this could be used
View all 21 questions

ZS Interview Experiences

Popular Designations

451 interviews found

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

I applied via Referral and was interviewed in May 2024. There were 3 interview rounds.

Round 1 - Aptitude Test 

It was around 55 mins

Round 2 - Case Study 

1 hour was given to solve the case study round. Various data was given and based on that questions were there also we have to show how we solve the problem.

Round 3 - Case Study 

Following case study round interview was scheduled the same day in which interviewer will ask question related to case study round and the approach for the questions

Top ZS Decision Analytics Associate Interview Questions and Answers

Q1. 3 ants are sitting on the vertices of an equilateral triangle and they start moving in a random direction along its perimeter. What is the probability of any 2 ants colliding?
View answer (2)

Decision Analytics Associate Interview Questions asked at other Companies

Q1. 3 ants are sitting on the vertices of an equilateral triangle and they start moving in a random direction along its perimeter. What is the probability of any 2 ants colliding?
View answer (2)

Software Developer Interview Questions & Answers

user image Rahul Yamsani 010

posted on 22 Dec 2024

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

Challenging questions in mathematics.

Round 2 - Group Discussion 

A constructive discussion about the significance of various topics and additional aspects.

Software Developer Interview Questions asked at other Companies

Q1. Maximum Subarray Sum Problem Statement Given an array of integers, determine the maximum possible sum of any contiguous subarray within the array. Example: Input: array = [34, -50, 42, 14, -5, 86] Output: 137 Explanation: The maximum sum is... read more
View answer (43)

DAA Interview Questions & Answers

user image Anonymous

posted on 7 Nov 2024

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
No response
Round 1 - Aptitude Test 

52mins 59 questions. 6 sections

Round 2 - Case Study 

7 questions 60 mins. 1 case study

Interview Preparation Tips

Interview preparation tips for other job seekers - guesstimates
puzzles
CV

you are gtg

DAA Interview Questions asked at other Companies

Q1. how many centimeters in one inch
View answer (1)
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I appeared for an interview in Nov 2023.

Round 1 - Technical 

(3 Questions)

  • Q1. Related to DevOps tools
  • Q2. Terraform modules
  • Q3. AWS cloud related servics
Round 2 - Technical 

(1 Question)

  • Q1. In depth question on Kubernetes, Terraform, AWS

Senior Devops Engineer Interview Questions asked at other Companies

Q1. What are Terraform life cycles ? and how do we use them ?
View answer (3)

ZS interview questions for popular designations

 Decision Analytics Associate

 (63)

 Business Technology Associate

 (35)

 Business Operations Associate

 (24)

 Associate

 (23)

 Business Technology Analyst

 (19)

 Business Analyst

 (18)

 Associate Decision Analytics Consultant

 (18)

 Consultant

 (17)

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
No response

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

Round 1 - Coding Test 

It involved 2 sections: ML Mcqs and SQL + Python programming question

Interview Preparation Tips

Topics to prepare for ZS Data Scientist interview:
  • Machine Learning
  • SQL
  • Python

Data Scientist Interview Questions asked at other Companies

Q1. for a data with 1000 samples and 700 dimensions, how would you find a line that best fits the data, to be able to extrapolate? this is not a supervised ML problem, there's no target. and how would you do it, if you want to treat this as a s... read more
View answer (5)

Get interview-ready with Top ZS Interview Questions

Data Analyst Interview Questions & Answers

user image Anonymous

posted on 19 Jun 2024

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in May 2024. There were 2 interview rounds.

Round 1 - Assignment 

Easy to crack, case study

Round 2 - Technical 

(1 Question)

  • Q1. SQL queries were asked

Data Analyst Interview Questions asked at other Companies

Q1. Suppose there is a room in the office and X people enter room throughout the day, Y people leave throughout the day [continuously people are entering the room, some are staying there, and rest are going out] .. so tell me the code to calcul... read more
View answer (11)

Jobs at ZS

View all
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed before Dec 2023. There were 4 interview rounds.

Round 1 - Aptitude Test 

Normal aptitude test was there.you can find details in youtube

Round 2 - Case Study 

Virtual Case study solving need to show calculation

Round 3 - Case Study 

Need to discuss solution and approach with interviewer +puzzle questions

Round 4 - Behavioral 

(1 Question)

  • Q1. Logical reasoning and maths was tested

Top ZS Decision Analytics Associate Interview Questions and Answers

Q1. 3 ants are sitting on the vertices of an equilateral triangle and they start moving in a random direction along its perimeter. What is the probability of any 2 ants colliding?
View answer (2)

Decision Analytics Associate Interview Questions asked at other Companies

Q1. 3 ants are sitting on the vertices of an equilateral triangle and they start moving in a random direction along its perimeter. What is the probability of any 2 ants colliding?
View answer (2)
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

CAT level questions and not that difficult to crack

Round 2 - Case Study 

Case study was basically showing analytical skills and how efficiently you can derive insights

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident and sharp in numbers

Business Operations Associate Interview Questions asked at other Companies

Q1. What are the current trends in interest rates within the market?
View answer (1)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Sep 2023. There were 4 interview rounds.

Round 1 - Aptitude Test 

The aptitude test had around 4 to 5 sections with
Second 1: Basic puzzles need to be solved as many as possible in limited time
Section 2: Quants questions
Section 3: Estimate questions - Data statements would be given and we need to guesstimate the number
Statement 3: VARC questions.

Round 2 - Case Study 

Business case study would be given with 4 to 5 questions pertaining to it. We would need to solve the MCQ and also upload the PDF copy of our answers an calculations.
*Time is a little less in this round*

Round 3 - Case Study Interview 

(3 Questions)

  • Q1. Questions about the case study round? Like how to increase the profits etc?
  • Q2. Basic puzzles (can practice is from Geek for Geeks)
  • Q3. Basic statistics questions on Mean Median Mode
Round 4 - Technical 

(2 Questions)

  • Q1. Questions about past projects.
  • Q2. Guesstimate question on how many customers McD gets in a day in a perticular city?

Interview Preparation Tips

Interview preparation tips for other job seekers - Practice Guesstimates, puzzles and Case Studies for interview rounds.

Top ZS Decision Analytics Associate Interview Questions and Answers

Q1. 3 ants are sitting on the vertices of an equilateral triangle and they start moving in a random direction along its perimeter. What is the probability of any 2 ants colliding?
View answer (2)

Decision Analytics Associate Interview Questions asked at other Companies

Q1. 3 ants are sitting on the vertices of an equilateral triangle and they start moving in a random direction along its perimeter. What is the probability of any 2 ants colliding?
View answer (2)
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. Past experience and relevance

Senior Consultant Interview Questions asked at other Companies

Q1. 1. What's the use of update sets and how do you move update set from one instance to another? Once you imported the update set, what will you do? To check the customisations, You need to do open the update set and do something. What is that... read more
View answer (3)

ZS Interview FAQs

How many rounds are there in ZS interview?
ZS interview process usually has 2-3 rounds. The most common rounds in the ZS interview process are Aptitude Test, Case Study and One-on-one Round.
How to prepare for ZS interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at ZS. The most common topics and skills that interviewers at ZS expect are Healthcare, Management Consulting, Financial Planning and Analysis, Operations and Financial Planning.
What are the top questions asked in ZS interview?

Some of the top questions asked at the ZS interview -

  1. 3 ants are sitting on the vertices of an equilateral triangle and they start mo...read more
  2. Case Study: Why a drug was suddenly not doing well when compared to its competi...read more
  3. A sales force optimization problem where I had to distribute X no. of available...read more
How long is the ZS interview process?

The duration of ZS interview process can vary, but typically it takes about less than 2 weeks to complete.

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ZS Interview Process

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Interview experience

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ZS Reviews and Ratings

based on 2.1k reviews

3.3/5

Rating in categories

3.3

Skill development

2.2

Work-life balance

3.7

Salary

3.4

Job security

3.4

Company culture

3.2

Promotions

2.9

Work satisfaction

Explore 2.1k Reviews and Ratings
Decision Analytics Associate

Pune,

Gurgaon / Gurugram

+1

0-2 Yrs

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Automation Consultant- GenAi

Pune

6-10 Yrs

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