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ABCD Data Scientist Interview Questions and Answers

Updated 23 Jul 2024

ABCD Data Scientist Interview Experiences

1 interview found

Data Scientist Interview Questions & Answers

user image sandeep kolli

posted on 23 Jul 2024

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Missing values outliers, over fitting underfitting
Round 2 - Technical 

(1 Question)

  • Q1. Outliers missing values, overfitting underfitting
  • Ans. 

    Understanding outliers, missing values, overfitting, and underfitting in data science.

    • Outliers are data points that significantly differ from other data points in a dataset.

    • Missing values are data points that are not present in a dataset.

    • Overfitting occurs when a model learns noise in the training data rather than the underlying pattern.

    • Underfitting occurs when a model is too simple to capture the underlying pattern in...

  • Answered by AI

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Dec 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

It was an aptitude test on the portal

Round 2 - Technical 

(1 Question)

  • Q1. 2 Dsa a question, second largest element in the array, prime number and other questions are based on my resume

Interview Preparation Tips

Interview preparation tips for other job seekers - Do prepare your resume well if you have knowledge of python and django it is big plus fore sure
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
Not Selected
Round 1 - Technical 

(2 Questions)

  • Q1. Swap two numbers
  • Ans. 

    To swap two numbers, store one number in a temporary variable, then assign the second number to the first, and finally assign the temporary variable to the second number.

    • Store one number in a temporary variable

    • Assign the second number to the first number

    • Assign the temporary variable to the second number

  • Answered by AI
  • Q2. Print hello world
  • Ans. 

    Printing hello world is a common introductory programming task.

    • Use a print statement in the programming language of your choice.

    • For example, in Python: print('Hello, World!')

    • In Java: System.out.println('Hello, World!')

  • Answered by AI

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected
Round 1 - Finance 

(13 Questions)

  • Q1. What is the meaning of finance?
  • Ans. 

    Finance refers to the management of money and other assets, including investing, borrowing, budgeting, and forecasting.

    • Finance involves managing money and assets to achieve financial goals.

    • It includes activities such as investing, borrowing, budgeting, and forecasting.

    • Finance is essential for individuals, businesses, and governments to make informed financial decisions.

    • Examples of finance include budgeting for personal...

  • Answered by AI
  • Q2. What are the different types of taxes in India?
  • Ans. 

    There are various types of taxes in India including income tax, goods and services tax (GST), corporate tax, customs duty, and excise duty.

    • Income Tax: Tax levied on the income of individuals and businesses.

    • Goods and Services Tax (GST): Indirect tax levied on the supply of goods and services.

    • Corporate Tax: Tax levied on the income of companies.

    • Customs Duty: Tax imposed on goods imported into or exported out of the count...

  • Answered by AI
  • Q3. What is payroll, and what are its key components?
  • Ans. 

    Payroll is the process of calculating and distributing wages to employees.

    • Calculating employee wages based on hours worked or salary

    • Deducting taxes and other withholdings

    • Issuing paychecks or direct deposits

    • Maintaining accurate records of employee compensation

    • Key components include gross pay, deductions, net pay, and payroll taxes

  • Answered by AI
  • Q4. What is the process of bank reconciliation?
  • Ans. 

    Bank reconciliation is the process of comparing and matching the balances in a company's accounting records with the balances on its bank statement.

    • Gather bank statements and accounting records

    • Compare deposits and withdrawals between the two

    • Identify and investigate any discrepancies

    • Adjust the accounting records to match the bank statement

    • Prepare reconciliation report

  • Answered by AI
  • Q5. What is a direct tax?
  • Ans. 

    A direct tax is a tax that is paid directly by an individual or organization to the government.

    • Direct taxes are imposed on income, profits, assets, and wealth.

    • Examples of direct taxes include income tax, corporate tax, property tax, and inheritance tax.

    • Direct taxes are typically progressive, meaning that the tax rate increases as the taxable amount increases.

  • Answered by AI
  • Q6. What is an indirect tax?
  • Ans. 

    An indirect tax is a tax that is imposed on goods and services rather than on income or profits.

    • Indirect taxes are usually passed on to the consumer through higher prices.

    • Examples of indirect taxes include sales tax, value-added tax (VAT), and excise duty.

    • These taxes are collected by an intermediary, such as a retailer, and then passed on to the government.

  • Answered by AI
  • Q7. What is the full form of ITC in the context of indirect tax?
  • Ans. 

    Input Tax Credit

    • ITC stands for Input Tax Credit in the context of indirect tax

    • It allows businesses to reduce the tax they have already paid on inputs from the tax they have to pay on outputs

    • Example: If a business pays GST on raw materials, they can claim ITC to reduce the GST they owe on their final product

  • Answered by AI
  • Q8. GST, IGST,CGST,SGST,NEFT,RTGS Full Form
  • Q9. GST Slab
  • Q10. Place of Supply
  • Ans. 

    Place of Supply refers to the location where a supply of goods or services is deemed to take place for tax purposes.

    • Place of Supply is crucial for determining the applicable tax rate and jurisdiction for a transaction.

    • It is determined based on various factors such as the nature of supply, location of supplier, and location of recipient.

    • For example, if a service is provided in India to a customer in the US, the place of...

  • Answered by AI
  • Q11. Time of Supply
  • Ans. 

    Time of Supply refers to the point in time when goods or services are deemed to be supplied for tax purposes.

    • Time of Supply is important for determining when to account for GST or VAT.

    • For goods, time of supply is usually the date of delivery or payment, whichever is earlier.

    • For services, time of supply is typically the date of completion or payment, whichever is earlier.

    • In some cases, time of supply may be triggered by...

  • Answered by AI
  • Q12. Eway Bill
  • Q13. How many Returns are required for Goods and Services Tax (GST) and what are the filing dates?
  • Ans. 

    For GST, there are multiple returns required with different filing dates.

    • There are different types of GST returns such as GSTR-1, GSTR-3B, GSTR-4, etc.

    • The filing dates for these returns vary based on the type of return and the turnover of the taxpayer.

    • For example, GSTR-1 for monthly filers is due on the 10th of the following month, while GSTR-3B is due on the 20th of the following month.

    • Taxpayers with turnover above a ...

  • Answered by AI

Interview Questionnaire 

1 Question

  • Q1. Questions about current and past projects and machine learning concepts.

Interview Preparation Tips

Round: Technical Interview
Experience: It was telephonic interview, started with introduction then interviewer asked me about current project and technologies using for implementation. Interviewer was very calm and friendly so I was relaxed, in the end we discussed about job profile, work environment and their expectation from me.
Tips: Know your projects work in details, answer to asked questions very brief and precise, if you don't know answer then be truthfull about it.

College Name: IIT Guwahati

I was interviewed in Apr 2017.

Interview Questionnaire 

2 Questions

  • Q1. Past and current projects work, and few basic machine learning concepts
  • Q2. Questions about machine learning concepts, E.g. classification, regression, clustering, over fitting vs under fitting, boosting etc.

Interview Preparation Tips

Round: Technical Interview
Experience: It was telephonic interview, started with introduction, asked me about projects, technologies.
Tips: Know your projects work in detail.

Round: Technical Interview
Experience: It was video conferencing. Interviewer was very informal that made me relaxed and comfortable, asked me various questions on data science, I tried to answer those with how I used those concept in my projects work. It ended on positive note.
Tips: Be truthful, don't assume anything.

College Name: IIT Guwahati

I applied via Campus Placement and was interviewed in Dec 2016. There were 4 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Previous Experience in Analytics
  • Ans. 

    I have 3 years of experience in analytics, working with various tools and techniques.

    • Worked with SQL, Python, and R for data analysis and visualization

    • Developed predictive models using machine learning algorithms

    • Collaborated with cross-functional teams to provide insights and recommendations

    • Presented findings to stakeholders and executives

    • Experience in A/B testing and experimentation

    • Worked with large datasets and data ...

  • Answered by AI
  • Q2. Technical questions about analytics

Interview Preparation Tips

Round: Resume Shortlist
Experience: CGPA shortlist

College Name: IIT Madras

I applied via Campus Placement

Interview Questionnaire 

6 Questions

  • Q1. Why your CGPA is so low ?
  • Ans. 

    My CGPA is low because I focused more on gaining practical experience through internships and projects.

    • I prioritized gaining practical experience over theoretical knowledge

    • I took up internships and projects to gain hands-on experience

    • I believe practical experience is more valuable than just academic grades

  • Answered by AI
  • Q2. Questions regarding my Time Series Analysis Project
  • Q3. Questions about numerical computations techniques like Newtons Raphson Method
  • Q4. Walking through your resume
  • Q5. 2-3 Puzzles (techinterview)
  • Q6. Your inclination towards Startups doesn't support your job-application

Interview Preparation Tips

Round: Resume Shortlist
Experience: CVs were shortlisted mainly on the basis of projects, international exposure and coding background. They were looking for two types of people : who were either having experience in the data analytics field (course,projects) or either having any internship in their department in which they have shown excellent performances.
Tips: Well prepared and reviewed resume would definitely gonna work.

Round: Stress Interview
Experience: It was a 40-50 mins interview in which they start grilling me from the point where I entered the room by asking your CPI is so low, can you justify ? And then there were above listed questions which were asked . Everything went great. They were impressed about my contribution on time-series project and then by my internship experience
Tips: Prepare well and understand each and every letter of your resume, they will go into sufficient details of it. Prepare puzzles, it will definitely help you.

Skills: Confidence, Generic Math Puzzles, Work Experience, Algorithms And Data Structures, Ability To Cope Up With Stress, Time Series
Duration: 2
College Name: IIT Kanpur
Motivation: Excellent job profile in the emerging field of Data science, challenging job opportunities and growth possibilities

I applied via Campus Placement

Interview Questionnaire 

6 Questions

  • Q1. Briefly go through your resume
  • Ans. 

    I have experience in data analysis, machine learning, and statistical modeling.

    • Worked as a data analyst at XYZ company for 2 years

    • Developed predictive models using machine learning algorithms

    • Conducted statistical analysis on large datasets

    • Completed a Master's degree in Data Science from ABC University

  • Answered by AI
  • Q2. Why low CPI ?
  • Ans. 

    Low CPI may be due to various factors such as low demand, high competition, or ineffective marketing strategies.

    • Low demand for the product or service

    • High competition in the market

    • Ineffective marketing strategies

    • Lack of differentiation from competitors

    • Poor product quality or customer service

    • Economic downturn or recession

    • Changes in consumer behavior or preferences

  • Answered by AI
  • Q3. Some Basic questions regarding projects and puzzles
  • Q4. Again why low CPI ? just to test your mantle
  • Ans. 

    Low CPI may indicate inefficiencies in marketing strategies or poor product quality.

    • Low CPI can be caused by ineffective targeting of ads to the right audience.

    • It can also be due to poor product quality or lack of demand for the product.

    • Low CPI may require a reassessment of marketing strategies and product offerings.

    • Examples of low CPI include unsuccessful ad campaigns or low sales numbers.

    • Improving CPI can lead to inc...

  • Answered by AI
  • Q5. Extra-Currics
  • Q6. Strength and weakness

Interview Preparation Tips

Round: Resume Shortlist
Experience: Initial shortlisting was based on resumes. They were looking developers and people having background in stats. Also they shortlisted quite a few with international exposure and decent CPI.
Tips: Machine Learning, Coding Experience, Time-series Analysis

Round: Technical Interview
Experience: It was nice, they were quite adamant on testing my stress handling abilities by asking about my academics background. They were impressed by a project of mine related to time series analysis. The round was for about 40-50 minutes.
Tips: Understand each and every point from your resume. Be prepared about some puzzles. Can do online courses from Coursera on Data science & Machine Learning.

Skills: Generic Math Puzzles, Basics Of Machine Learning, Probability And Statistics, Algorithms And Data Structures, Ability To Cope Up With Stress
Duration: 2
College Name: IIT Kanpur

I applied via Company Website and was interviewed before Jan 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Which job gives me do that work because of this job very important to me

Interview Preparation Tips

Interview preparation tips for other job seekers - No adive

ABCD Interview FAQs

How many rounds are there in ABCD Data Scientist interview?
ABCD interview process usually has 2 rounds. The most common rounds in the ABCD interview process are Technical.
What are the top questions asked in ABCD Data Scientist interview?

Some of the top questions asked at the ABCD Data Scientist interview -

  1. outliers missing values, overfitting underfitt...read more
  2. missing values outliers, over fitting underfitt...read more

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