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ZIGRAM Interview Questions and Answers
18 Interview questions
An array is a collection of elements, typically of the same data type, stored in contiguous memory locations.
Arrays can hold multiple values in a single variable, e.g., ['apple', 'banana', 'cherry'].
They are indexed, meaning each element can be accessed using its index, e.g., fruits[0] returns 'apple'.
Arrays have a fixed size, defined at the time of creation, e.g., String[] colors = new String[3];
They can be multi...
Linear regression relies on several key assumptions for accurate predictions and valid statistical inference.
Linearity: The relationship between the independent and dependent variables should be linear. Example: Predicting weight based on height.
Independence: Observations should be independent of each other. Example: Survey responses from different individuals.
Homoscedasticity: The residuals (errors) should have c...
I have extensive experience managing on-premises Linux servers, focusing on performance, security, and automation.
Configured and maintained Apache and Nginx web servers for hosting applications.
Implemented security measures using firewalls and SELinux to protect server data.
Automated server updates and backups using cron jobs and shell scripts.
Monitored server performance with tools like Nagios and Grafana to ensu...
By using the weight of the crates, as apples and oranges have different average weights.
Apples are generally lighter than oranges, so the crate that weighs less likely contains apples.
You can also shake the crates gently to listen for the sound of apples or oranges moving inside.
Inspecting the labels on the crates may also provide clues as to their contents.
Secondary research involves analyzing existing data and information collected by others for a different purpose.
Secondary research involves using sources such as books, articles, reports, and websites to gather information.
It is cost-effective and time-saving compared to primary research.
Examples include analyzing census data, market research reports, and academic studies.
Secondary research helps in gaining insigh...
I approach secondary research challenges with a structured methodology, ensuring thorough analysis and reliable conclusions.
Define the research objective clearly to focus on relevant data.
Utilize reputable databases and journals for accurate information, such as PubMed for medical research.
Cross-verify data from multiple sources to ensure reliability and validity.
Organize findings systematically, using tools like ...
Statistics is the study of data. It helps us understand and interpret information by using mathematical methods.
Statistics involves collecting, analyzing, and interpreting data.
It helps us make decisions based on data and identify patterns and trends.
Common statistical measures include mean, median, mode, and standard deviation.
Statistics can be used in various fields such as business, healthcare, and social scien...
Start to end approach for regression problem involves defining the problem, collecting data, preprocessing, modeling, and evaluating.
Define the problem and set the goal
Collect relevant data and preprocess it
Choose a suitable regression model
Train the model and evaluate its performance
Fine-tune the model and repeat the process if necessary
Developed a predictive model for customer churn using Python, focusing on feature engineering and model evaluation.
Utilized Python libraries like Pandas and Scikit-learn for data manipulation and model building.
Conducted exploratory data analysis (EDA) to identify key features influencing churn rates.
Implemented various machine learning algorithms, including logistic regression and random forests, to compare perfo...
AML stands for Anti-Money Laundering. Primary research involves collecting data firsthand, while secondary research involves analyzing existing data.
AML is a set of procedures, laws, and regulations designed to prevent the illegal generation of income through money laundering.
Primary research involves conducting surveys, interviews, and experiments to gather new data.
Secondary research involves analyzing existing ...
ZIGRAM Interview Experiences
39 interviews found
Anonymous
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
(1 Question)
- Q1. What is AML and primary and secondary research?
- Ans.
AML stands for Anti-Money Laundering. Primary research involves collecting data firsthand, while secondary research involves analyzing existing data.
AML is a set of procedures, laws, and regulations designed to prevent the illegal generation of income through money laundering.
Primary research involves conducting surveys, interviews, and experiments to gather new data.
Secondary research involves analyzing existing data ...
Interview Preparation Tips
Furthermore, I was informed that the HR will be calling to schedule a meet for second round. The very next day I received an email mentioning that they will not be moving further with the application.
PS: Don’t demotivate and waste the time of the candidate. It’s not funny for a candidate who searching for the job seriously just to entertain your timepass process.
I applied via Campus Placement and was interviewed in Oct 2024. There was 1 interview round.
(3 Questions)
- Q1. BRIEF INTRODUCTION OF YOURSELF
- Q2. DESCRIBE YOURSELF IN ONE WORD
- Q3. QUESTIONS FROM RESUME
Interview Preparation Tips
- SDLC Life Cycle
- Product Management
Selected
I appeared for an interview in May 2025, where I was asked the following questions.
- Q1. DSA questions in strings and DBMS.
- Q2. Puzzels and Logical Reasoning.
Interview Preparation Tips
Divyansh singh
Selected
I appeared for an interview in May 2025, where I was asked the following questions.
- Q1. What is array?
- Ans.
An array is a collection of elements, typically of the same data type, stored in contiguous memory locations.
Arrays can hold multiple values in a single variable, e.g., ['apple', 'banana', 'cherry'].
They are indexed, meaning each element can be accessed using its index, e.g., fruits[0] returns 'apple'.
Arrays have a fixed size, defined at the time of creation, e.g., String[] colors = new String[3];
They can be multi-dime...
- Q2. Frontend and backed
(2 Questions)
- Q1. Introduce Yourself
- Q2. Why do you want to join Ziagram
- Ans.
I want to join Ziagram because of its innovative products and strong company culture.
Innovative products: I am excited about the opportunity to work on cutting-edge products that can make a real impact in the market.
Strong company culture: I have heard great things about Ziagram's inclusive and collaborative work environment, and I believe I would thrive in such a setting.
(2 Questions)
- Q1. Case Study of user persona for different products
- Q2. Guesstimates and case studies
Selected
I applied via Campus Placement and was interviewed in Jun 2024. There were 2 interview rounds.
The questions varied from data interpretation to logical reasoning and were of high quality.
(2 Questions)
- Q1. Tell us about yourself
- Ans.
I am a highly experienced Senior Analyst with a strong background in data analysis and strategic planning.
Over 10 years of experience in analyzing complex data sets
Proficient in using statistical software such as SPSS and SAS
Skilled in creating detailed reports and presentations for senior management
Strong problem-solving and critical thinking skills
Managed cross-functional teams to drive successful project outcomes
- Q2. How can you determine which crate contains apples and which one contains oranges without opening or touching them?
- Ans.
By using the weight of the crates, as apples and oranges have different average weights.
Apples are generally lighter than oranges, so the crate that weighs less likely contains apples.
You can also shake the crates gently to listen for the sound of apples or oranges moving inside.
Inspecting the labels on the crates may also provide clues as to their contents.
I applied via Naukri.com and was interviewed in Apr 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Tell me about your self
- Q2. Case study related questions
(2 Questions)
- Q1. Tell me about your self
- Q2. Case study related questions
Selected
I applied via Referral and was interviewed in Aug 2024. There were 3 interview rounds.
Good communication skills
Understanding topics
(2 Questions)
- Q1. Why you are good fit the job?
- Ans.
I have a strong background in data analysis, with experience in utilizing various tools and techniques to derive insights from data.
Extensive experience in data analysis
Proficient in using tools like SQL, Python, and Tableau
Strong problem-solving skills
Ability to communicate complex findings to non-technical stakeholders
- Q2. What is the salary expectation?
- Ans.
Salary expectations are based on experience, skills, location, and industry standards.
Consider factors like your experience, skills, education, location, and the industry norms when determining your salary expectation.
Research the average salary range for Data Analysts in your area and industry to have a realistic expectation.
Be prepared to negotiate based on the job responsibilities and benefits offered by the employe...
Interview Preparation Tips
Selected
I appeared for an interview in Oct 2024, where I was asked the following questions.
- Q1. Please describe the case study provided by the interviewer and explain which machine learning algorithm you chose to apply, along with the rationale for your choice in this particular problem.
- Q2. Projects of the resume and basic questions of python and sql like joins and types of joins and some working of the models like logistic regression and all , because I have used in my projects , assumption ...
Selected
I appeared for an interview in Apr 2024.
(3 Questions)
- Q1. What is secondary research
- Ans.
Secondary research involves gathering information from existing sources such as books, articles, and reports.
Secondary research is the process of collecting and analyzing data that has already been published or gathered by others.
It is used to gain a better understanding of a topic, validate primary research findings, or gather historical data.
Examples of secondary research sources include academic journals, government...
- Q2. What have u done in your internship
- Ans.
I worked on data analysis projects, conducted market research, and created reports for senior management.
Conducted data analysis on customer feedback surveys
Assisted in creating financial models to analyze company performance
Researched market trends and competitor analysis
Prepared presentations and reports for senior management meetings
- Q3. PEP relevant questions
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ZIGRAM Interview FAQs
The duration of ZIGRAM interview process can vary, but typically it takes about less than 2 weeks to complete.
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ZIGRAM Interviews By Designations
- ZIGRAM Research Analyst Interview Questions
- ZIGRAM Analyst Interview Questions
- ZIGRAM Senior Analyst Interview Questions
- ZIGRAM Data Science Intern Interview Questions
- ZIGRAM Software Engineer Interview Questions
- ZIGRAM Product Manager Interview Questions
- ZIGRAM Data Analyst Interview Questions
- ZIGRAM Software Developer Interview Questions
- Show more
Interview Questions for Popular Designations
Overall Interview Experience Rating
based on 33 interview experiences
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ZIGRAM Reviews and Ratings
based on 201 reviews
Rating in categories
|
Research Analyst
196
salaries
|  ₹2 L/yr - ₹4.3 L/yr |
|
Senior Analyst
169
salaries
| ₹2.8 L/yr - ₹6.8 L/yr |
|
Senior Research Analyst
82
salaries
| ₹2.3 L/yr - ₹5.5 L/yr |
|
Analyst
76
salaries
| ₹2 L/yr - ₹3.5 L/yr |
|
Associate
20
salaries
| ₹5.2 L/yr - ₹11 L/yr |
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