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Dhwani Rural Information Systems Data Analyst Interview Questions and Answers
Dhwani Rural Information Systems Data Analyst Interview Experiences
1 interview found
Anonymous
I applied via Naukri.com and was interviewed in Dec 2020. There were 4 interview rounds.
Interview Questionnaire
3 Questions
- Q1. - experience
- Q2. -Excel (Vlookup, index, pivot, data cleaning functions) questions based on excel case study
- Q3. - Google form questions like validation, number validation, conditions, looping, multi select questions
Interview Preparation Tips
Top trending discussions
Interview questions from similar companies
Selected
I appeared for an interview in May 2025, where I was asked the following questions.
- Q1. How would you handle missing dataduring analysis?
- Ans.
Handling missing data involves identifying, assessing, and applying appropriate techniques to manage gaps in datasets.
Identify missing data: Use methods like 'isnull()' in Python to find missing values.
Assess the impact: Determine how missing data affects your analysis and results.
Imputation: Replace missing values with mean, median, or mode. For example, use the median for skewed distributions.
Remove missing data: If ...
- Q2. Explain the difference inner join and left join in SQL ? and example
- Ans.
Inner join returns matching records from both tables, while left join returns all records from the left table and matching from the right.
Inner Join: Combines rows from two tables where there is a match in both tables.
Left Join: Returns all rows from the left table and matched rows from the right table; unmatched rows from the right will show NULL.
Example of Inner Join: SELECT * FROM TableA INNER JOIN TableB ON TableA....
- Q3. Which visualisation have tools used and how do you decide which chart to used for a given dataset?
- Ans.
Choosing the right visualization depends on data type, audience, and insights needed.
Use bar charts for categorical comparisons (e.g., sales by region).
Line charts are ideal for trends over time (e.g., monthly revenue).
Pie charts can show proportions but are less effective for many categories.
Scatter plots help identify relationships between two variables (e.g., age vs. income).
Heatmaps visualize data density or correl...
Selected
I applied via LinkedIn and was interviewed in Dec 2024. There were 2 interview rounds.
Based on my CV, they assigned me a task related to data migration.
(2 Questions)
- Q1. Project reviews
- Q2. Attendance regarding
(1 Question)
- Q1. How many swift cars in mumbai?
- Ans.
The exact number of Swift cars in Mumbai is not available, but it is a popular choice among car owners in the city.
Swift cars are a common sight on the roads of Mumbai.
Maruti Suzuki, the manufacturer of Swift cars, has a strong presence in the city.
The number of Swift cars in Mumbai is constantly changing due to sales and purchases.
One can see multiple Swift cars in popular areas like Bandra, Andheri, and South Mumbai.
Skills evaluated in this interview
Easy and moderate level question
Given a relevant topic and discussion on it
(2 Questions)
- Q1. Introducd yourself
- Q2. Why do you want to join us
I applied via Approached by Company and was interviewed in Mar 2023. There were 3 interview rounds.
First round was a coding test online with screen monitoring
(2 Questions)
- Q1. Hacker rank code for no reason for de
- Ans.
The question is unclear and requires further clarification.
Request for more information on the specific requirements of the code.
Ask for clarification on the purpose of the code.
Determine the programming language to be used.
- Q2. Python sort element of string array by alphabet weightage and resolve all 23 test cases that nobody can
- Ans.
Sort string array elements by alphabet weightage in Python and pass 23 test cases.
Use the sorted() function with key parameter to sort elements by weightage
Define a function to calculate weightage of each character
Test the function with various test cases to ensure accuracy
Interview Preparation Tips
Skills evaluated in this interview
(1 Question)
- Q1. Spark, AWS, Python
(1 Question)
- Q1. Python, SQL, Spark
(1 Question)
- Q1. Salary discussion
(1 Question)
- Q1. General Interview
Interview Preparation Tips
Selected
I applied via Recruitment Consulltant and was interviewed before Mar 2023. There were 3 interview rounds.
BASIC PYTHON AND SQL
(2 Questions)
- Q1. Questions based on past experience
- Q2. My roles and responsibilities
(1 Question)
- Q1. Easy HR questions
Prashant kumar
You will receive a test link in which you will have 4 mcq ,1 python problem and 1 sql question
(1 Question)
- Q1. This was also coding round on hackerrank with one moderator
Reasoning and aptitude questions were asked
(1 Question)
- Q1. Interview was around python programming and team fitment
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