Merck KGaA Interview Questions and Answers

Basic one 2 coding and rest are aptitude

Q1. Explain the best sorting technique
Ans. 
The best sorting technique is the one that suits the specific requirements of the data set, such as quicksort or mergesort.
• Consider the size of the data set and the range of values

• Choose a sorting algorithm based on time complexity and space complexity

• Quicksort is efficient for large data sets, while mergesort is stable and works well with linked lists
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Q2. Do you have any experience in marketing
Ans. 
Yes, I have over 5 years of experience in marketing, including digital marketing, social media marketing, and content marketing.
• Over 5 years of marketing experience

• Specialize in digital marketing, social media marketing, and content marketing

• Managed successful marketing campaigns for various clients
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Q1. Why Astra Zeneca
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Q2. After completing a B.Tech in IT, You have decided to pursue a career in Digital Marketing. How does it work?
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Q1. Basic Communication skills
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Q1. Technical aptitude test
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Q2. Technical about job knowledge
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Piraamal finance jnlnm knkn

Q1. What is sql? and where to use
Ans. 
SQL is a programming language used for managing and manipulating relational databases.
• SQL stands for Structured Query Language

• Used to retrieve, update, and manage data in relational databases

• Commonly used in data analysis, data manipulation, and data reporting

• Examples: SELECT * FROM table_name, INSERT INTO table_name VALUES (value1, value2)
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Q2. Power bi description and its imp
Ans. 
Power BI is a business analytics tool by Microsoft that provides interactive visualizations and business intelligence capabilities.
• Power BI allows users to connect to a wide variety of data sources and create interactive reports and dashboards.

• Users can easily share their insights with others and collaborate in real-time.

• It offers features like data modeling, data preparation, and data visualization to help organizatio...read more
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Q1. Explain your project
Ans. 
Developed a predictive model for customer churn using machine learning algorithms
• Used R programming language to clean and preprocess customer data

• Implemented various machine learning algorithms such as Random Forest and Logistic Regression

• Evaluated model performance using metrics like accuracy, precision, and recall
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Q2. What metrics you used to test the models deployed
Ans. 
I use metrics such as accuracy, precision, recall, F1 score, ROC-AUC, and confusion matrix to test the models deployed.
• Accuracy: measures the overall correctness of the model

• Precision: measures the proportion of true positive predictions among all positive predictions

• Recall: measures the proportion of true positive predictions among all actual positives

• F1 score: balances precision and recall

• ROC-AUC: measures the area u...read more
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Q3. How well versed are you with JavaScript?
Ans. 
I have a basic understanding of JavaScript and can work with it to some extent.
• Familiar with basic JavaScript syntax and concepts

• Able to manipulate DOM elements using JavaScript

• Have experience working with JavaScript libraries like jQuery
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Q4. Can you provide an example of integrating R with JavaScript?
Ans. 
Yes, R can be integrated with JavaScript using the 'shiny' package to create interactive web applications.
• Use the 'shiny' package in R to create interactive web applications

• Use the 'htmlwidgets' package to embed interactive R visualizations in web pages

• Utilize the 'r2d3' package to create D3 visualizations in R and embed them in web applications
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Q5. Which modules do you use in R to import Javascript?
Ans. 
The 'V8' package in R is used to import and execute JavaScript code.
• Use the 'V8' package in R to import and execute JavaScript code.

• Install the 'V8' package using install.packages('V8').

• Load the 'V8' package using library(V8).

• Use the v8() function to create a new V8 context and execute JavaScript code.
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GD was with 2 team members and a director level person. Technical questions were asked by both team members which were around project management and fairly easy. Director level person, however, was more of a rude personality manager whose choice of interviewing involved asking a question and then interrupting the answer saying you should use only a single word. Question was "tell me about a time you had to deal with opposing ideas in a group setting". Considering the fact that I both worked and conducted sprints, this was right up my alley. I obviously went in for explaining the event using the STAR method (as the question itself was tell me about a time?) but she was adamant about a word. So i said what word i thought best and proceeded to explain event and then it was another question and another argument. 0 interest in hearing out my actual answer to that question. As this company is similar to my previous organization, I thought i will be patient during interview but she was only interested in arguing throughout. No semblance of interviewing, just plain brash rudeness and tyrant like behavior. 0/10 for interview, do not interview with this team or work under/for this person clearly. Employers need to get these egotistical directors in line who do not even understand how to conduct an interview or even have basic sense when talking with a stranger