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ARC ARORA PROJECTS Interview Questions and Answers
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I applied via Naukri.com and was interviewed in Jul 2021. There was 1 interview round.
Interview Questionnaire
5 Questions
- Q1. It's completely based on job profile.
- Q2. Some basic questions in data analyst.
- Q3. Some questions on ML
- Q4. Some questions on statistics
- Q5. Some on previous projects
Interview Preparation Tips
sahil singh
The round primarily focused on assessing data structure and algorithm (DSA) knowledge, as well as coding proficiency.
I applied via Recruitment Consulltant and was interviewed in Apr 2022. There were 2 interview rounds.
(1 Question)
- Q1. SQL,Python,Machine Learning,Model based question
(1 Question)
- Q1. General question , previous company role and responsibility etc
Interview Preparation Tips
(2 Questions)
- Q1. 2 sum problem [leetcode]
- Q2. Linkedlist problem
- Ans.
Implement various operations on a linked list and solve related problems like reversing a linked list or detecting a cycle.
Understand the basic structure of a linked list with nodes containing data and a reference to the next node.
For insertion, update the pointers of the nodes accordingly to maintain the sequence.
For deletion, adjust the pointers to skip the node to be deleted.
To reverse a linked list, iterate through...
Skills evaluated in this interview
(2 Questions)
- Q1. Given a data set of hotel you need to find number of booking.
- Q2. SQL Query based upon join leetcode.
Easy leetcode data structure question
(1 Question)
- Q1. Write working code for calling a rest API, design rate limiter
- Ans.
Code for calling a REST API and designing a rate limiter
Use a library like requests or axios to make the API call
Implement a token bucket algorithm for rate limiting
Set a maximum number of requests per second and queue excess requests
Consider using a distributed rate limiter for scalability
(1 Question)
- Q1. Design Database schema for instagram
- Ans.
Design a database schema for Instagram.
Create tables for users, posts, comments, likes, and follows.
Use primary and foreign keys to establish relationships between tables.
Store user data such as username, email, and password securely.
Include fields for post content, location, and timestamp.
Track likes and comments on posts.
Implement a notification system for follows and likes.
Consider scalability and performance in the...
Interview Preparation Tips
Skills evaluated in this interview
Data Analyst Interview Questions & Answers
HiveMinds Innovative Market Solutions
Anonymous
posted on 4 Dec 2021
I applied via LinkedIn and was interviewed before Dec 2020. There were 4 interview rounds.
Interview Questionnaire
3 Questions
- Q1. What is the Naive Bayes algorithm?
- Ans.
Naive Bayes is a probabilistic algorithm used for classification and prediction based on Bayes' theorem.
It assumes that the presence of a particular feature in a class is unrelated to the presence of any other feature.
It calculates the probability of each class based on the input features and selects the class with the highest probability.
It is commonly used in spam filtering, sentiment analysis, and document classific...
- Q2. When do we use Null Hypothesis?
- Ans.
Null hypothesis is used to test the significance of a statistical result.
Null hypothesis assumes that there is no significant difference between two groups or variables.
It is used to determine if the observed results are due to chance or not.
If the p-value is less than the significance level, we reject the null hypothesis.
Examples include testing the effectiveness of a new drug compared to a placebo, or comparing the m
- Q3. Suppose we need to find the sales of Rosogolla sweets being sold in Kolkata. What approach would you take?
- Ans.
I would use a combination of primary and secondary research to find the sales of Rosogolla sweets in Kolkata.
Conduct surveys and interviews with local sweet shop owners and customers
Analyze sales data from major sweet shops in Kolkata
Research online for articles and reports on the popularity of Rosogolla in Kolkata
Compare sales data with other popular sweets in Kolkata
Consider factors such as seasonality and festivals
Interview Preparation Tips
Learn all the basic concepts and fundamentals of Statistics, Data Science and Python, and SQL.
You may be asked to do EDA from scratch using python.
Skills evaluated in this interview
Data Analyst Interview Questions & Answers
HiveMinds Innovative Market Solutions
Anonymous
posted on 28 Feb 2024
I applied via Campus Placement and was interviewed before Feb 2023. There were 2 interview rounds.
It want really good, aptitude test, focus on basic
(1 Question)
- Q1. Case study, interview, guestimates, python, SQL, power bi, Excel
Data Analyst Interview Questions & Answers
HiveMinds Innovative Market Solutions
Anonymous
posted on 4 Mar 2024
Selected
I applied via Referral and was interviewed before Mar 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Some basic Python ETL Questions, based on list,dictionary.
- Q2. SQL Basics Question
(1 Question)
- Q1. Explain your projects
Data Analyst Interview Questions & Answers
HiveMinds Innovative Market Solutions
Anonymous
posted on 30 Sep 2021
I applied via LinkedIn and was interviewed in Aug 2021. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. First-round was technical assessment after that there is a technical interview on google meet. The guy asked me for sharing the screen and asked some programming questions related to python.
Interview Preparation Tips
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