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Chai Kings Interview Questions and Answers

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I appeared for an interview before Sep 2020.

Round 1 - Face to Face 

(2 Questions)

Round duration - 60 Minutes
Round difficulty - Easy

  • Q1. 

    0/1 Knapsack Problem Statement

    A thief is planning to rob a store and can carry a maximum weight of 'W' in his knapsack. The store contains 'N' items where the ith item has a weight of 'wi' and a value of...

  • Ans. 

    Yes, the 0/1 Knapsack problem can be solved using dynamic programming with a space complexity of not more than O(W).

    • Use a 1D array to store the maximum value that can be stolen for each weight capacity from 0 to W.

    • Iterate through each item and update the array based on whether including the item would increase the total value.

    • The final value in the array at index W will be the maximum value that can be stolen.

  • Answered by AI
  • Q2. 

    Find the Second Largest Element

    Given an array or list of integers 'ARR', identify the second largest element in 'ARR'.

    If a second largest element does not exist, return -1.

    Example:

    Input:
    ARR = [2,...
  • Ans. 

    Find the second largest element in an array of integers.

    • Iterate through the array to find the largest and second largest elements.

    • Handle cases where all elements are identical.

    • Return -1 if a second largest element does not exist.

  • Answered by AI
Round 2 - Video Call 

(1 Question)

Round duration - 60 Minutes
Round difficulty - Easy

System Design Round

  • Q1. Design a system for Twitter, discussing its architecture, key components, and scalability considerations.
  • Ans. 

    Design a scalable system for Twitter with key components and architecture.

    • Use microservices architecture for scalability and fault isolation.

    • Key components include user service, tweet service, timeline service, and notification service.

    • Use a distributed database like Cassandra for storing tweets and user data.

    • Implement a message queue like Kafka for handling real-time updates and notifications.

    • Use a caching layer like ...

  • Answered by AI
Round 3 - HR 

Round duration - 30 Minutes
Round difficulty - Easy

It is just a formality

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in BangaloreEligibility criteriaResume shortlistingSwiggy interview preparation:Topics to prepare for the interview - OOPS, Data Structures, Core Java, Algorithms, DBMS, SQL,Time required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

Tip 1 : System Design
Tip 2 : Practice questions from leetcode
Tip 3 : Have some projects.

Application resume tips for other job seekers

Tip 1 : Mention what you know 
Tip 2 : Good previous work to showcase

Final outcome of the interviewSelected

Skills evaluated in this interview

I applied via LinkedIn and was interviewed before May 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Questions were from SQL, Python, Statistics & Business Case Studies/Metrics in the form of 4-5 rounds.

Interview Preparation Tips

Interview preparation tips for other job seekers - So Key Takeaway is You have to be good with your Technical Knowledge (SQL Expert, Python, Overall Stats Knowledge) and That is not really enough. What differs a Business Analyst from other Developers/Statisticians etc. is Business acumen, Problem Solving Skills etc. To have a Business Knowledge and Understanding such that you find the problems/solutions/ Metrics and then solve them using the Technology.

I applied via Walk-in and was interviewed in May 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1.  related to your business you asked questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Interview the ability of a person to be recognized by person quality human nature.

I appeared for an interview in Nov 2020.

Interview Questionnaire 

1 Question

  • Q1. Mainly about sql, previous job role
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

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

Round 1 - Coding Test 

Two medium DSA questions based on strings.

Round 2 - Design Test 

(1 Question)

  • Q1. Design Google Meet
  • Ans. 

    Design a video conferencing platform similar to Google Meet.

    • Implement real-time video and audio streaming

    • Include features like screen sharing, chat, and participant management

    • Ensure scalability to support large number of users

    • Focus on security and privacy measures

    • Optimize for low latency and high quality video/audio

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Zepto Senior Software Engineer interview:
  • Coding
  • System Design
Interview preparation tips for other job seekers - Give some mock interviews before going to the interview.

Analyst Interview Questions & Answers

Zepto user image Anonymous

posted on 28 Jun 2024

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

Hellbound test are not required to select 1 employee

Round 2 - HR 

(2 Questions)

  • Q1. Why r u here
  • Ans. 

    I am here because I am passionate about analyzing data and providing valuable insights to drive decision-making.

    • Passionate about data analysis

    • Enjoy providing valuable insights

    • Driven to help make informed decisions

  • Answered by AI
  • Q2. Tell me about something
  • Ans. 

    I will tell you about my experience volunteering at a local animal shelter.

    • Volunteered at local animal shelter for 6 months

    • Assisted with feeding, cleaning, and socializing with animals

    • Helped organize adoption events and fundraisers

  • Answered by AI
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
6-8 weeks
Result
Selected Selected

I applied via Instahyre and was interviewed before Mar 2023. There were 3 interview rounds.

Round 1 - Coding Test 

DSA, 1 hour with 2 LC medium questions

Round 2 - One-on-one 

(2 Questions)

  • Q1. Low level design
  • Q2. Design lld for Dream 11
  • Ans. 

    Designing the low-level design for Dream 11 platform.

    • Use microservices architecture for scalability and flexibility.

    • Implement a robust database schema to handle large amounts of user data.

    • Utilize caching mechanisms to improve performance, especially during peak usage times.

    • Include authentication and authorization mechanisms to ensure data security.

    • Design APIs for seamless integration with third-party services.

    • Implement...

  • Answered by AI
Round 3 - One-on-one 

(2 Questions)

  • Q1. High level design
  • Q2. Design HLD for rider management system
  • Ans. 

    Design HLD for rider management system

    • Use microservices architecture for scalability and flexibility

    • Implement user authentication and authorization for security

    • Include features like ride tracking, payment processing, and feedback system

    • Utilize databases for storing rider information and ride history

  • Answered by AI

Skills evaluated in this interview

Interview experience
1
Bad
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Apr 2023. There were 6 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - HR 

(2 Questions)

  • Q1. Screening questions
  • Q2. Name, age, qualification, prior experience etc
Round 3 - Case Study 

Operation questions like vlookups, Hlookups, xlookups etc,.

Round 4 - Case Study 

Reporting questions like pivot tables, typing speed, power pivots, pricing sheet preparation

Round 5 - Case Study 

SQL queries like joins, aggregation functions, filters etc,.

Round 6 - One-on-one 

(3 Questions)

  • Q1. Advanced analytics and finding trends and patterns with MH - operations data
  • Q2. How fast can you prepare a bar chart with product operations data
  • Ans. 

    I can prepare a bar chart with product operations data within a few minutes.

    • I have experience using data visualization tools like Tableau, Power BI, or Excel to quickly create bar charts.

    • I am proficient in organizing and cleaning data to ensure accurate representation in the chart.

    • I can customize the chart with relevant labels, colors, and titles to make it visually appealing and easy to understand.

  • Answered by AI
  • Q3. How can I do merge multiple excel files together
  • Ans. 

    You can merge multiple Excel files together using the 'Consolidate' feature in Excel.

    • Open Excel and go to the 'Data' tab

    • Click on 'Consolidate' in the 'Data Tools' group

    • Select the files you want to merge and choose the desired options

    • Click 'OK' to merge the files together

  • Answered by AI

Skills evaluated in this interview

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

I applied via Recruitment Consulltant and was interviewed in Jul 2024. There were 2 interview rounds.

Round 1 - Case Study 

Basic RCA question to diagnose falling numbers in a matrix.

Round 2 - Coding Test 

Basic left join, right join, sub query, ranking etc.

Interview Preparation Tips

Topics to prepare for Zepto Business Analyst interview:
  • RCA
  • Joins
  • Subquery
Interview preparation tips for other job seekers - SQL query using ranking, sub query etc.
Interview experience
1
Bad
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Apr 2023. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(6 Questions)

  • Q1. Joins, operations questions not data analysis questions
  • Q2. Customer retention case study
  • Q3. Cumulative sum for given table
  • Ans. 

    To calculate cumulative sum for a given table

    • Sort the table in ascending order based on the column you want to calculate the cumulative sum for

    • Add a new column to the table to store the cumulative sum

    • Iterate through each row of the table and calculate the cumulative sum by adding the current row's value to the previous row's cumulative sum

    • Store the cumulative sum in the new column for each row

  • Answered by AI
  • Q4. Do you have experience in operations/data entry role
  • Ans. 

    Yes, I have experience in both operations and data entry roles.

    • I have worked as a data entry operator for a pharmaceutical company where I was responsible for entering patient data into the system.

    • In my previous role as an operations analyst, I was responsible for analyzing data and creating reports for the management team.

    • I have experience using various data entry software such as Microsoft Excel and Google Sheets.

    • I a...

  • Answered by AI
  • Q5. As a data analyst can you do data entry work also?
  • Ans. 

    Yes, I can do data entry work as a data analyst.

    • Data entry work is a part of data analysis process.

    • I have experience in data entry work and can perform it efficiently.

    • Data entry work includes entering data into spreadsheets, databases, or other software.

    • I understand the importance of accurate data entry for effective analysis.

  • Answered by AI
  • Q6. Normal excel statements like if, vlookup, xlookups etc.,

Interview Preparation Tips

Interview preparation tips for other job seekers - 1) Waste of time (never trust interviewer who explains about the role)
2) they are looking for candidates for data reporting operations guy from a tier 1 college
3) as discussed with the interviewer the profile will be like a data entry operations role so get clarification on the role properly.
4) if you get an offer letter try to make this company as least priority company as the JD is not clear and the way they explain the case study is truly confusing.
5) other than this central tendency, normal crunching, joins, etc,.
6) People from non - data analytics team took an interview I hope there is no data analyst in the company while checking in LinkedIn and even the interviewer mentioned the same.
7) Interview will get rescheduled several times because of the interviewer and will be more delay
8) as per their discussion it will be more about data reporting in google sheets, excel on a daily basis i guess and I hope there won't be any proper predictive or quantitative or qualitative analysis.
9) if you are looking for better learning, growth and advancement in your career then this is not a correct company for you(that's how I decided when comparing offers from other company).
10) try to communicate with employees of the company who are in current role or past role get a better understanding.
11) current company situtation might push you but take a better decision.
12)chhallaaang lagaane se pahale dekho.

Skills evaluated in this interview

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Chai Kings Reviews and Ratings

based on 7 reviews

3.9/5

Rating in categories

3.4

Skill development

3.3

Work-life balance

3.3

Salary

3.4

Job security

3.4

Company culture

3.4

Promotions

3.3

Work satisfaction

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