Unthinkable Solutions Junior Associate Interview Questions and Answers for Experienced

There were 48 questions to be done in 60 minutes.
the platform used was below average.
about 1400 gave the test

The Next round was a GD.
about 250 were shortlisted.
it was held in groups of 10 - 13.
there were 2 Panelists observing the body language, the fluency and time you speak for.
It is very important that you either start or conclude the GD.
leaves a good impression.

Q1. Tell me about yourself
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Q2. What is Data Analysis?
Ans. 
Data analysis is the process of inspecting, cleaning, transforming, and modeling data to discover useful information.
• It involves collecting and organizing data

• It includes statistical analysis and visualization

• It helps in making informed decisions

• Examples include market research, financial analysis, and scientific research
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Q3. SQL Queries using Joins and sub-queries
Ans. 
SQL Queries using Joins and sub-queries
• Joins are used to combine rows from different tables based on a related column

• Sub-queries are queries nested within another query

• Joins and sub-queries can be used together to retrieve specific data from multiple tables
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Q4. Many questions about projects mentioned in the resume.
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Q5. Estimation and probability questions were asked to see the way you approach a question logically.
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Q1. Tell me about Yourself
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Q2. Again Questions based on resumes
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Q3. Some Regular HR Questions like why latent view, where to do you yourself in 5 years.....etc.
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Q4. Any questions for me?
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Test was conducted on basic programming languages that consists of mcqs and coding questions

10-12 people are made into grps and are given a topic everyone has to support or oppose that particular topic within given time

Q1. Asked to write codes for given programs and also asked some puzzles and keywords and their uses in python like break , pass, continue, and slicing operation etc...
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Q1. Why should we hire you?
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Q2. Where do you see yourself in 5 years?
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Q3. What are your strengths and weaknesses?
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Q4. Tell me about yourself.
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Q5. Everything went very well , main thing you require is communication skills. Hr is very friendly and even cracked jokes in middle. He asked about the movie I have seen lately and asked me to explain the sto...read more
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They asked few questions related to SQL.

Q1. They'll ask questions related to whatever you have given in your resume.
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Q1. They ask general questions about yourself.
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Prepare well on Python, SQL and be good at solving analytical problems

Q1. Mostly based on your resume, prepare to answer whatever you kept on resume. Still prepare well on Python, SQL... Go through AWS/Datawarehouse concepts if role is Data Engineering position
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Q1. Lightly on Technical side, Mostly on testing how you're able to solve business problems
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4 SQL questions, complexity 7/10

Q1. Previous projects
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Q2. In and around ML models
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Q1. Usual, simple behavioural
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Q2. Expected package
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Topics will be mainly SQL and few python questions. Duration-3min to 1hr

Q1. What is CLT theorem and what are its uses
Ans. 
CLT theorem states that the distribution of sample means approaches a normal distribution as sample size increases.
• Central Limit Theorem (CLT) is a fundamental concept in statistics that states that the distribution of sample means approaches a normal distribution as the sample size increases.

• It is used in hypothesis testing, confidence intervals, and in estimating population parameters.

• CLT is essential in making infer...read more
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Q2. Asked to write SQL queries which uses join and window functions
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Q3. Explain ML Data preparation and EDA steps in detail. What are major steps in preprocessing
Ans. 
ML data preparation involves cleaning, transforming, and organizing data for analysis. EDA involves exploring and visualizing data to understand its characteristics.
• Data cleaning: removing missing values, handling outliers, and dealing with duplicates

• Data transformation: encoding categorical variables, scaling numerical features, and creating new features

• Data organization: splitting data into training and testing sets,...read more
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Q1. Mainly interviewer checked how sound I was in different concepts like statistics, ML
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Q2. Asked simple DL questions
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Q3. Guestimates- like how much milk is consumed in your city on average. Give an estimate and show your structured way of arriving at that value
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Q1. Why you want to join our comany?
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Q2. What made you leave your previous organization
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Q3. Salary negotations
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