Gujarat Energy Research & Management Institute Interview Questions and Answers

3 coding questions any programming language

Q1. Technical Interview based on your programming skills
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Q2. 1.Find the possible permutation of the given string 2. Remove 3 from the given input (Number) and input should be taken from the user 3. Check whether the given string is Anagram without using map DATA s...read more
Ans. 
Answering questions related to string permutations, removing numbers, and checking for anagrams without using map data structure.
• To find permutations of a string, use recursion to swap characters at each position.

• To remove a specific character (e.g. '3') from a string, iterate through the string and build a new string without the character.

• To check for anagrams without using a map data structure, sort both strings and ...read more
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Q1. Introduce yourself and are you willing to relocate And salary discussion. That's it
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Q1. About system,On critical situations what you do and handel
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In critical situations, I prioritize communication, assess the situation, and implement solutions effectively and calmly.
• Stay calm and composed to think clearly under pressure.

• Assess the situation quickly to identify the root cause of the problem.

• Communicate effectively with team members to ensure everyone is informed.

• Implement a solution based on the assessment; for example, if a project is behind schedule, I would re...read more
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Q2. How to manpower manage and utilise, Documentation what you do, Safety
Ans. 
Manpower management involves proper allocation and utilization of resources, documentation ensures accountability, and safety measures are crucial for a secure work environment.
• Create a detailed manpower plan outlining roles, responsibilities, and tasks for each team member.

• Regularly assess workload and adjust manpower allocation as needed to ensure efficiency.

• Implement a documentation system to track progress, identif...read more
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Q1. About salary , accommodation, other
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Q1. Basic questions regarding past experiences.
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Q1. Questions based on JD and resume were asked by the panel of interviewers.
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Q1. UI/UX design related interview questions
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Q2. Easy and simple questions
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Q1. What are the implementations done in the project
Ans. 
Implemented data cleaning, visualization, and predictive modeling to enhance decision-making and insights from the dataset.
• Data Cleaning: Removed duplicates and handled missing values using techniques like mean imputation.

• Data Visualization: Created dashboards using Tableau to present key metrics and trends.

• Predictive Modeling: Developed a regression model to forecast sales based on historical data.

• Collaboration: Worke...read more
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Q2. What libraries are used
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Data analysts use various libraries for data manipulation, analysis, and visualization, enhancing their workflow and insights.
• Pandas: Essential for data manipulation and analysis, providing data structures like DataFrames.

• NumPy: Used for numerical computing, offering support for large, multi-dimensional arrays and matrices.

• Matplotlib: A plotting library for creating static, animated, and interactive visualizations in P...read more
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Q3. How output is generated
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Output generation involves processing data through various stages to produce meaningful results.
• Data Collection: Gathering raw data from various sources, e.g., surveys, databases.

• Data Cleaning: Removing inaccuracies and inconsistencies, e.g., correcting typos in datasets.

• Data Analysis: Applying statistical methods to interpret data, e.g., using regression analysis to find trends.

• Data Visualization: Creating charts and ...read more
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Q4. Provide any alternative code
Ans. 
Explore alternative code solutions for data analysis tasks to enhance efficiency and readability.
• Use vectorized operations in NumPy instead of loops for faster computations. Example: np.sum(array) vs. for loop.

• Leverage pandas' built-in functions like groupby() for aggregating data instead of manual calculations.

• Consider using list comprehensions for concise and readable code. Example: [x*2 for x in range(10)] instead o...read more
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