Noodle Analytics Data Scientist Interview Questions and Answers

Interviewer himself did not knew python or any other data analysis language

Excel, questions that were open ended

Q1. How will you work under female manager
Ans. 
I will work under a female manager just like I would under any other manager - with professionalism, respect, and open communication.
• I will communicate openly and honestly with my female manager, just as I would with any other manager.

• I will respect her authority and expertise, and follow her guidance and instructions.

• I will collaborate effectively with my female manager and the rest of the team to achieve our goals.

• I ...read more
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Q2. Are you willing to work for lower salary than previous
Ans. 
I am open to discussing salary based on the overall compensation package and opportunities for growth.
• I am open to discussing salary based on the overall compensation package and opportunities for growth.

• I would like to understand the reasons for the lower salary offer and how it aligns with the company's budget and market standards.

• I am willing to negotiate other benefits such as flexible work hours, additional vacati...read more
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Q3. Will your accomodation or salary structure needed to be validated in case you got married
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Q4. Will you work till 1 am in the morning as bjp politicians client can ask anything anytime
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Q1. Why ai and machine learning is only marketing term and not a real technology
Ans. 
AI and machine learning are real technologies with practical applications in various industries.
• AI and machine learning have been successfully used in various industries such as healthcare, finance, and transportation to improve efficiency and accuracy.

• Companies like Google, Amazon, and Facebook heavily rely on AI and machine learning algorithms to enhance their products and services.

• AI and machine learning technologie...read more
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Q2. Why python is an awful language and would you be willing to work as a back end developer using spring or Node
Ans. 
Python is not an awful language, but I am open to working with other technologies like Spring or Node.
• Python is a versatile and widely-used language in data analysis and machine learning.

• It has a large community and extensive libraries like Pandas and NumPy.

• Spring and Node are also popular choices for backend development, offering different strengths and capabilities.

• I am open to learning and working with new technolog
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Q1. Will you work under bond of 2 yrs ?
Ans. 
I am open to discussing the terms of the bond and considering the overall opportunity.
• I am willing to consider a bond if the terms are reasonable and the opportunity aligns with my career goals.

• I would like to discuss the details of the bond such as its purpose, consequences of breaking it, and any potential benefits for me.

• I may negotiate the duration of the bond or explore alternative options to ensure a mutually ben...read more
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Q2. We will give 30% of your salary as Variable pay after completion of 1 yr but we will decide when to give it to you. Would you still be willing to work for us as working for our company is a prestigious opp...read more
Ans. 
I would consider the offer based on the overall compensation package and career growth opportunities.
• I would need more information on the overall compensation package to make a decision.

• I would also consider the potential career growth opportunities and learning experiences at the company.

• It would be important to understand the criteria and timing for receiving the variable pay.

• I would evaluate the offer based on my lo...read more
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Normal Group discussion

Q1. Cosing, project management etc
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Q1. What's is work experience.
Ans. 
Work experience refers to the practical knowledge and skills gained from employment in a specific field or industry.
• Work experience includes tasks, responsibilities, and projects completed in a professional setting.

• It can be gained through internships, part-time jobs, full-time positions, or volunteer work.

• Work experience helps individuals develop industry-specific skills, build a professional network, and gain a bette...read more
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Q2. Whats is sql and power bi.
Ans. 
SQL is a programming language used for managing and querying databases. Power BI is a business analytics tool for visualizing and analyzing data.
• SQL stands for Structured Query Language and is used to communicate with databases.

• SQL can be used to retrieve, update, and manipulate data in databases.

• Power BI is a data visualization tool that allows users to create interactive reports and dashboards.

• Power BI can connect to...read more
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Q1. What is coalesce
Ans. 
Coalesce is a function used to return the first non-null value in a list of expressions.
• Coalesce function is commonly used in SQL to handle null values.

• It takes multiple arguments and returns the first non-null value.

• Example: COALESCE(column1, column2, 'default') will return the value of column1 if not null, else column2, and if both are null, it will return 'default'.
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Q2. What is repartition
Ans. 
Repartition is the process of redistributing data across partitions in a distributed system.
• Repartitioning helps in balancing the workload and improving performance in distributed computing environments.

• It involves moving data between partitions based on certain criteria such as key values or hash functions.

• Repartitioning can be done in Spark using operations like repartition() or coalesce().
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Q1. Non repeatable character
Ans. 
A non repeatable character is a character that appears only once in a given string.
• Iterate through the string and count the frequency of each character

• Identify the characters that have a frequency of 1

• Return the first non repeatable character found
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Q2. Sort list without sort method
Ans. 
Sort list without using sort method
• Create a custom sorting function using loops

• Compare each element with every other element to determine the correct order

• Swap elements based on the comparison results
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List Comprehension, Python Programs on Palindromes, Fibonacci, factorials, reversing integers etc.

Q1. Project explanation, ML algorithms
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