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Times Internet Data Scientist Interview Questions and Answers

Updated 1 Dec 2022

Times Internet Data Scientist Interview Experiences

1 interview found

I applied via Recruitment Consulltant and was interviewed in Jun 2022. 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 Resume tips
Round 2 - Technical 

(2 Questions)

  • Q1. Write a SQL query to find all duplicate emails in a table named person
  • Ans. 

    SQL query to find duplicate emails in a table named person

    • Use GROUP BY and HAVING clause to group emails and count their occurrences

    • Select only those emails which have count greater than 1

    • Example: SELECT email, COUNT(*) FROM person GROUP BY email HAVING COUNT(*) > 1;

  • Answered by AI
  • Q2. Given a weather table, write a sql query to find all date's ids with higher temperature compared to it's previous dates
  • Ans. 

    SQL query to find date ids with higher temperature compared to previous dates in weather table

    • Use self join to compare temperature of current date with previous dates

    • Order the table by date to ensure correct comparison

    • Select date ids where temperature is higher than previous dates

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Questions will be asked about machine learning models and SQL query.

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
Selected Selected

I applied via Campus Placement and was interviewed in Nov 2022. There were 3 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 Resume tips
Round 2 - Technical 

(4 Questions)

  • Q1. 1. First question was, from my project asked me that explain one project.
  • Ans. I have done three project, out of this three project one project was movie recommendation syatem. That i was explained. Then some counter question from project like how did you convert text to numerical, which technique you used here. I able to give all questions answer from project.
  • Answered by adventurouseggnog
  • Q2. 2. After they asked me, what is your subject preference?
  • Ans. My subject preference was NLP, Deep Learning, ML. Afrer that asked some question from NLP like what is term document matrix, tf-idf, word embedding, Gradient descent, why we have to change learning rate after every epoch, how lr change, precision recall.
  • Answered by adventurouseggnog
  • Q3. 3. My one projcet was sentimental analysis that was by LSTM model. So, next question was explain how LSTM model work and architecture .
  • Ans. Then I was explained workin flow of LST model and architecture. Then asked me did you know bidireectional LSTM. I said yes, then explained.
  • Answered by adventurouseggnog
  • Q4. 4. One question was from sql. what is the condition for primary key? last question one case business case study. this is all about my interview. My interview was 50 min and selected for HR round.
Round 3 - HR 

(1 Question)

  • Q1. Phone call round, just asked me are you interested to come here.
Interview experience
4
Good
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Not Selected

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

Round 1 - Coding Test 

Leetcode hard level coding with 4-5 questions

Round 2 - Technical 

(1 Question)

  • Q1. Machine Learning algorithms, Statistics, NLP

Interview Preparation Tips

Interview preparation tips for other job seekers - Study Machine Learning, NLP, Deep Learning. Learn about Generative AI, LLM, Prompt Engineering.

Interview Preparation Tips

Round: Resume Shortlist
Tips: Not in your hands. Just try to make as good a resume as you can.

Round: Puzzle Interview
Experience: Very common puzzle questions. Had a good chat with the interviewer.
Tips: Make sure you make the interviewer aware of your thought process while solving a problem.

Round: HR Interview
Experience: Again, common questions like why this company? What's the plan 2 years down the line?
Tips: Speak the truth. Never make up anything. Ask questions about your profile.

General Tips: Don't worry about it. Its a great learning experience. Let this learning be accompanied by joy.
Skills: Calmness, Aptitude, Attitude
College Name: Indian Institute of Technology, Bombay
Motivation: Startup environment backed by one of country's biggest corporate house ensures lots of responsibilities and a steep learning curve along with great money.
Funny Moments: The whole puzzle interview was fun.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Probability ,deep learning basics ,machine learning ,simple python programming questions.
  • Ans. It will be multilpe choice questions .Duration - 40 minutes.
  • Answered Anonymously
Round 2 - interview 

(1 Question)

  • Q1. Why this company ,work related to your project,some technical questions on deep learning.
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Sep 2024. There was 1 interview round.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Explain all of decision tree and random forest?
  • Ans. 

    Decision tree is a tree-like model of decisions and their possible consequences, while random forest is an ensemble learning method that builds multiple decision trees and merges them together.

    • Decision tree is a flowchart-like structure where each internal node represents a decision based on an attribute, each branch represents the outcome of the decision, and each leaf node represents a class label.

    • Random forest is a ...

  • Answered by AI
  • Q2. Some basic probability questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep statistics strong

Skills evaluated in this interview

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

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

Round 1 - Aptitude Test 

It been for 45 mins. question asked from python,ML,Deep learning and maths.

Round 2 - Technical 

(1 Question)

  • Q1. 1) explain correlation and convaraince 2) how logistic differ from linear regression
  • Ans. 

    Correlation measures the strength and direction of a linear relationship between two variables, while covariance measures the extent to which two variables change together.

    • Correlation ranges from -1 to 1, where 1 indicates a perfect positive relationship, -1 indicates a perfect negative relationship, and 0 indicates no relationship.

    • Covariance can be positive, negative, or zero. A positive covariance indicates that as o...

  • Answered by AI
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Basic ML/DL and statistics questions
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Job Portal and was interviewed in Jun 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

Mcq based test on data science concepts

Round 2 - One-on-one 

(2 Questions)

  • Q1. Explain precision,recall etc
  • Ans. 

    Precision and recall are metrics used to evaluate the performance of classification models.

    • Precision is the ratio of correctly predicted positive observations to the total predicted positive observations.

    • Recall is the ratio of correctly predicted positive observations to the all observations in actual class.

    • F1 score is the weighted average of precision and recall, where the best value is 1 and the worst is 0.

    • Precision ...

  • Answered by AI
  • Q2. What is dropout in neural networks
  • Ans. 

    Dropout is a regularization technique used in neural networks to prevent overfitting by randomly setting some neuron outputs to zero during training.

    • Dropout is a regularization technique used in neural networks to prevent overfitting.

    • During training, a fraction of neurons are randomly selected and their outputs are set to zero.

    • This helps prevent complex co-adaptations in neurons and improves generalization.

    • Dropout is t...

  • Answered by AI
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Describe LSTM and GRU
  • Ans. 

    LSTM and GRU are types of recurrent neural networks used for processing sequential data.

    • LSTM (Long Short-Term Memory) networks are capable of learning long-term dependencies in data.

    • GRU (Gated Recurrent Unit) networks are simpler than LSTM and have fewer parameters.

    • LSTM has three gates (input, output, forget) while GRU has two gates (update, reset).

    • LSTM is better at capturing long-term dependencies but is more complex,...

  • Answered by AI
  • Q2. Define Hypothesis Testing
  • Ans. 

    Hypothesis testing is a statistical method used to make inferences about a population based on sample data.

    • Hypothesis testing involves formulating a null hypothesis and an alternative hypothesis.

    • It aims to determine if there is enough evidence to reject the null hypothesis in favor of the alternative hypothesis.

    • Common methods of hypothesis testing include t-tests, chi-square tests, and ANOVA.

    • The p-value is used to dete...

  • Answered by AI

Skills evaluated in this interview

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Times Internet Interview FAQs

How many rounds are there in Times Internet Data Scientist interview?
Times Internet interview process usually has 2 rounds. The most common rounds in the Times Internet interview process are Resume Shortlist and Technical.
How to prepare for Times Internet Data Scientist 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 Times Internet. The most common topics and skills that interviewers at Times Internet expect are Advertising, Big Data, Clinical SAS Programming, Computer Science and Deep Learning.
What are the top questions asked in Times Internet Data Scientist interview?

Some of the top questions asked at the Times Internet Data Scientist interview -

  1. given a weather table, write a sql query to find all date's ids with higher tem...read more
  2. Write a SQL query to find all duplicate emails in a table named per...read more

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