5 Reserve Bank Information Technology Data Scientist Interview Questions & Answers | Complete Prep Guide 2025

Reserve Bank Information Technology Data Scientist Interview Experiences

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Data Scientist Interview Questions & Answers

Anonymous

posted on 11 Dec 2022

I applied via Recruitment Consulltant and was interviewed in Jun 2022. There were 4 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.

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Round 2 - Aptitude Test

Test time 35 min, based on Python SQL Stats

Round 3 - Technical

(2 Questions)

Q1. Explain ML algorithms

Ans.

ML algorithms are mathematical models used to identify patterns and make predictions from data.

ML algorithms can be supervised, unsupervised, or semi-supervised
Supervised algorithms include linear regression, decision trees, and neural networks
Unsupervised algorithms include k-means clustering and principal component analysis
Semi-supervised algorithms combine elements of both supervised and unsupervised learning
ML algo...

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Q2. Explain SQL joins, explain join in a given situation

Ans.

SQL joins are used to combine data from two or more tables based on a related column.

Joins are used to retrieve data from multiple tables in a single query.
Common types of joins are inner join, left join, right join, and full outer join.
Joining tables can be done using the JOIN keyword and specifying the columns to join on.
Example: SELECT * FROM table1 JOIN table2 ON table1.column = table2.column;
Joins can be used to c...

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Round 4 - Technical

(3 Questions)

Q1. Explain projects you have worked

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Q2. The algorithm used in the project (in my case LSTM)

Ans.

The algorithm used in the project is LSTM.

LSTM stands for Long Short-Term Memory and is a type of recurrent neural network.
It is commonly used for sequential data analysis such as time series forecasting, speech recognition, and natural language processing.
LSTM networks have the ability to remember long-term dependencies and avoid the vanishing gradient problem.
They consist of memory cells, input gates, output gates, a...

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Q3. Why LSTM? how does it work?

Ans.

LSTM is a type of recurrent neural network that can handle long-term dependencies.

LSTM stands for Long Short-Term Memory.
It uses gates to control the flow of information.
It can remember information for a longer period of time compared to traditional RNNs.
It is commonly used in natural language processing and speech recognition tasks.
LSTM has been shown to be effective in predicting stock prices and weather patterns.

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Interview Preparation Tips

Interview preparation tips for other job seekers - The last round was Techno managerial, Interviewer asked more depth questions about work and projects. He was having good knowledge and was expecting more depth answers

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Data Scientist Interview Questions & Answers

LTIMindtree

Abhishek Srivastav

posted on 16 Mar 2015

Interview Questionnaire

3 Questions

Q1. Code For parse Traingle

Ans.

Code for parsing a triangle

Use a loop to iterate through each line of the triangle
Split each line into an array of numbers
Store the parsed numbers in a 2D array or a list of lists

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Q2. Asci value along with alphabets(both capital and small)

Ans.

The ASCII value is a numerical representation of a character. It includes both capital and small alphabets.

ASCII values range from 65 to 90 for capital letters A to Z.
ASCII values range from 97 to 122 for small letters a to z.
For example, the ASCII value of 'A' is 65 and the ASCII value of 'a' is 97.

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Q3. Would you like to go for Hire studies

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