BVR People Consulting Interview Questions and Answers

Q1. SQL data fetch queries
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Q1. Regarding customer-facing roles
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Its all about python pseudo codes

Q1. They ask me normal questions like tuples, nested tuples, regular expression, and how to connect python with sql data base
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Q2. What is tuples and why we use this
Ans. 
Tuples are immutable sequences used to store multiple items in a single variable. They are commonly used for grouping related data.
• Tuples are created using parentheses () and can contain any type of data.

• They are immutable, meaning their values cannot be changed once assigned.

• Tuples are often used to return multiple values from a function.

• They can be used as keys in dictionaries since they are immutable.

• Tuples are more...read more
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Q3. What is regular expression
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A regular expression is a sequence of characters that defines a search pattern.
• Regular expressions are used for pattern matching and searching in strings.

• They provide a concise and flexible way to search, extract, and manipulate text.

• Regular expressions can be used in various programming languages, including Python.

• They consist of metacharacters, literals, and special sequences.

• Examples of regular expressions include m
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Q4. Which frame work is used in django
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Django is a high-level Python web framework that follows the model-view-controller architectural pattern.
• Django is a free and open-source framework.

• It is used for building web applications quickly and efficiently.

• Django follows the DRY (Don't Repeat Yourself) principle.

• It provides a robust set of tools and features for handling common web development tasks.

• Django uses the model-view-controller (MVC) architectural patte...read more
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Q5. How to connect database with python
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To connect a database with Python, you can use database-specific libraries or ORM frameworks like Django.
• Install the appropriate database driver or ORM framework

• Import the library or framework in your Python script

• Establish a connection to the database using connection parameters

• Execute SQL queries or use ORM methods to interact with the database

• Close the database connection when done
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Python related coding questions

Q1. Explain about logistic regression
Ans. 
Logistic regression is a statistical model used to predict the probability of a binary outcome based on one or more predictor variables.
• Logistic regression is used when the dependent variable is binary (0/1, True/False, Yes/No, etc.).

• It estimates the probability that a given input belongs to a particular category.

• The output of logistic regression is a probability score between 0 and 1.

• It uses the logistic function (sig...read more
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Q2. What is decision tree
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A decision tree is a flowchart-like structure in which each internal node represents a test on an attribute, each branch represents the outcome of the test, and each leaf node represents a class label.
• Decision tree is a popular machine learning algorithm used for classification and regression tasks.

• It breaks down a dataset into smaller subsets based on different attributes and creates a tree-like structure to make deci...read more
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Some basic puzzle Ask like 3 liter bucket 5 litter bucket u need to find way to measure 5 litter bucket

Q1. Interviewer not appeared
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Q2. React native app optimization technique
Ans. 
Optimizing a React Native app involves reducing bundle size, improving performance, and enhancing user experience.
• Use code splitting to reduce initial bundle size

• Optimize images and assets for smaller file sizes

• Implement lazy loading for components that are not immediately needed

• Use PureComponent or memoization for performance optimization

• Avoid unnecessary re-renders by using shouldComponentUpdate or React.memo

• Profile ...read more
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Q3. Props state, promise.all closure,HOC,redux related,
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Q4. Recursion function for infinite currying
Ans. 
Recursion function to enable infinite currying by returning a function until all arguments are provided.
• Create a function that takes a single argument and returns a new function that takes the next argument until all arguments are provided.

• Use recursion to keep returning a new function until all arguments are collected.

• Once all arguments are collected, execute the original function with all arguments and return the res
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Q1. Cnc machine related questions
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Q2. Process planning questions
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Q1. Qualification, address, family members
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Q1. Normal questions asked regarding day to day responsibilities of a project manager.
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Q1. Salary Negotiation
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