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Discover Dollar Data Scientist Intern Interview Questions, Process, and Tips

Updated 11 Oct 2024

Discover Dollar Data Scientist Intern Interview Experiences

1 interview found

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

I applied via Cuvette and was interviewed before Oct 2023. There were 4 interview rounds.

Round 1 - Aptitude Test 

Multiple Choice Questions related with General Aptitude (Clock, Data Interpretation, Time and Distance, Non-verbal Reasoning), Statistics (probability), Programming (loops, syntax), Fundamentals of Machine Learning, Basics of DBMS and SQL

Round 2 - Coding Test 

3 programming questions.
Easy to Medium of LeetCode.
Related with string manipulation, sliding window and one medium question on graph.
Time duration: 2hrs

Round 3 - Technical 

(5 Questions)

  • Q1. Can you introduce yourself?
  • Ans. 

    I am a data science enthusiast with a strong background in statistics and machine learning.

    • Completed a Bachelor's degree in Statistics

    • Proficient in programming languages like Python and R

    • Experience with data visualization tools such as Tableau

    • Completed projects involving predictive modeling and data analysis

  • Answered by AI
  • Q2. What is convolution operation?
  • Ans. 

    Convolution operation is a mathematical operation that combines two functions to produce a third function.

    • Convolution involves sliding one function over another and multiplying the overlapping values at each position.

    • It is commonly used in image processing and signal processing to extract features.

    • In deep learning, convolutional neural networks use convolution operations to learn spatial hierarchies of features.

  • Answered by AI
  • Q3. Explain project which you have mentioned in resume?
  • Ans. 

    Developed a machine learning model to predict customer churn for a telecom company.

    • Used Python and scikit-learn library for data preprocessing and model building

    • Performed feature engineering to create new variables for better prediction

    • Evaluated model performance using metrics like accuracy, precision, recall

    • Implemented the model in a production environment for real-time predictions

  • Answered by AI
  • Q4. Questions from project such as what is data size? How many classes are there for classification project? Why you have used this specific machine learning algorithm to solve this problem? Why this performan...
  • Q5. Easy level Leetcode problem to be implemented in an online editor along with explanation
  • Ans. 

    Implement a function to find the maximum product of two integers in an array.

    • Iterate through the array and keep track of the two largest and two smallest integers.

    • Calculate the products of the largest and smallest integers and return the maximum product.

  • Answered by AI
Round 4 - Technical 

(6 Questions)

  • Q1. Please, introduce yourself?
  • Ans. 

    I am a data science enthusiast with a strong background in statistics and machine learning.

    • Background in statistics and machine learning

    • Passionate about data science

    • Experience with data analysis tools like Python and R

  • Answered by AI
  • Q2. What do you know about our company?
  • Ans. 

    Company is a leading data analytics firm specializing in providing insights for businesses.

    • Specializes in data analytics for businesses

    • Provides insights to help businesses make informed decisions

    • Known for innovative solutions in the field of data science

  • Answered by AI
  • Q3. Why you want to join our company?
  • Ans. 

    I am impressed by your innovative projects and collaborative work culture.

    • I admire your company's commitment to using data science for social good.

    • I am excited about the opportunity to work with cutting-edge technology and talented professionals.

    • Your company's reputation for fostering growth and learning aligns with my career goals.

  • Answered by AI
  • Q4. Question related with conditional probability?
  • Q5. In case deadline is approaching, whether you will compromise with project quality?
  • Ans. 

    No, compromising project quality is not an option even if the deadline is approaching.

    • Quality should never be compromised as it reflects the professionalism and credibility of the work.

    • Instead of compromising quality, it is better to communicate with the team and stakeholders to find alternative solutions.

    • Prioritize tasks, optimize processes, and work efficiently to meet the deadline without sacrificing quality.

    • Seek he...

  • Answered by AI
  • Q6. How you learn new technologies?
  • Ans. 

    I learn new technologies through online courses, tutorials, hands-on projects, and collaborating with peers.

    • Enroll in online courses on platforms like Coursera, Udemy, or edX

    • Follow tutorials on websites like Medium, YouTube, or official documentation

    • Work on hands-on projects to apply new technologies in real-world scenarios

    • Collaborate with peers through hackathons, coding meetups, or online forums

    • Stay updated with indu...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Discover Dollar Data Scientist Intern interview:
  • Mean
  • Median
  • Mode
  • Probability
  • Linear Regression
  • Logistic Regression
  • Convolution
  • Andrew Ng
Interview preparation tips for other job seekers - -Focus more on fundamentals of machine learning. Mathematics behind ML algorithms.
-Why and Why not for each algorithm and performance metric
-Problem Solving Skills upto Medium Level Leetcode will help.
-No need to focus more on graphs
-Be prepared for whatever you have mentioned in your resume

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
Selected Selected
  • Q1. How did you collaborate with other team members during your internships?
  • Q2. Can you describe how you handled feedback from your senior developers or mentors?
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
-

I appeared for an interview in Feb 2025, where I was asked the following questions.

  • Q1. Comments on Javascript
  • Ans. 

    JavaScript is a versatile, high-level programming language primarily used for web development, enabling interactive and dynamic content.

    • JavaScript is an event-driven language, allowing developers to create responsive user interfaces. Example: Handling button clicks.

    • It supports object-oriented programming, enabling code reuse and modularity. Example: Creating classes and objects.

    • JavaScript can manipulate the DOM, allowi...

  • Answered by AI
  • Q2. Javascript library
  • Q3. Css, html, React
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I appeared for an interview in Feb 2025, where I was asked the following questions.

  • Q1. What motivates you to join Zidio Development as opposed to other companies?
  • Ans. 

    Zidio Development's innovative projects and collaborative culture inspire my passion for technology and personal growth.

    • Zidio's commitment to cutting-edge technology aligns with my desire to work on innovative projects, like their recent AI initiative.

    • The collaborative culture at Zidio fosters teamwork, which I value as it enhances creativity and problem-solving.

    • Zidio's focus on professional development through mentors...

  • Answered by AI
  • Q2. How will your experience with Zidio development contribute to your career growth?
  • Ans. 

    My experience with Zidio development will enhance my technical skills, teamwork, and problem-solving abilities, crucial for my career growth.

    • Developed proficiency in programming languages like Java and Python, which are essential for software development roles.

    • Collaborated with a diverse team, improving my communication skills and ability to work in a team-oriented environment.

    • Gained hands-on experience with agile meth...

  • Answered by AI

Intern Interview Questions & Answers

Zidio Development user image Rajveer Choubisa

posted on 19 Mar 2025

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

I appeared for an interview in Feb 2025, where I was asked the following questions.

  • Q1. React hooks related How to use them
  • Q2. About web socket real time messaging
  • Q3. About react router dom

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare yourself well for interview Do mot panic
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed in Dec 2024. There were 2 interview rounds.

Round 1 - Assignment 

Based on my CV, they assigned me a task related to data migration.

Round 2 - One-on-one 

(2 Questions)

  • Q1. Project reviews
  • Q2. Attendance regarding

I applied via Naukri.com and was interviewed in Dec 2021. There were 3 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. OOPS CONCEPTS, SQL , TRICKY OOPS QUESTIONS FROM STRING MANIPULATION ETC.
Round 2 - Coding Test 

ASP.NET MVC PROGRAMMING

Round 3 - HR 

(1 Question)

  • Q1. Company Profile, Process flow etc.

Interview Preparation Tips

Interview preparation tips for other job seekers - Be ready with concepts and practical programing.

Intern Interview Questions & Answers

Ivanti user image Anonymous

posted on 29 Sep 2022

I applied via Campus Placement

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - Coding Test 

All coding questions were ad hoc

Round 3 - Technical 

(2 Questions)

  • Q1. Leetcode questions were asked
  • Q2. A question about cache memory was asked

Interview Preparation Tips

Interview preparation tips for other job seekers - Having good dsa basics and cse basics is essential
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
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 - Aptitude Test 

Reasoning and aptitude questions were asked

Round 3 - One-on-one 

(1 Question)

  • Q1. Interview was around python programming and team fitment
Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
No response

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

Round 1 - Technical 

(1 Question)

  • Q1. Machine Learning
Round 2 - Technical 

(1 Question)

  • Q1. Machine Learning
Round 3 - Case Study 

Approach check for multiple case studies

Interview Preparation Tips

Interview preparation tips for other job seekers - Never received the final response after the 3rd round which was with the CTO. The HR kept saying we are yet to get the feedback.

Discover Dollar Interview FAQs

How many rounds are there in Discover Dollar Data Scientist Intern interview?
Discover Dollar interview process usually has 4 rounds. The most common rounds in the Discover Dollar interview process are Technical, Aptitude Test and Coding Test.
What are the top questions asked in Discover Dollar Data Scientist Intern interview?

Some of the top questions asked at the Discover Dollar Data Scientist Intern interview -

  1. In case deadline is approaching, whether you will compromise with project quali...read more
  2. Easy level Leetcode problem to be implemented in an online editor along with ex...read more
  3. How you learn new technologi...read more

Tell us how to improve this page.

Discover Dollar Data Scientist Intern Interview Process

based on 1 interview

Interview experience

5
  
Excellent
View more

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