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WNS Analyst Interview Questions and Answers
7 Interview questions
An anagram is a word or phrase formed by rearranging the letters of another. This code checks if two strings are anagrams.
Convert both strings to lowercase to ensure case insensitivity. Example: 'Listen' and 'Silent'.
Remove any spaces or punctuation to focus only on the letters. Example: 'A gentleman' and 'Elegant man'.
Sort the characters of both strings and compare them. If they are identical, the strings are ana...
This code snippet demonstrates how to find a substring within a string using various programming languages.
In Python, use 'in' keyword: 'substring' in 'string'. Example: 'cat' in 'concatenate' returns True.
In Java, use 'contains()' method: 'string.contains(substring)'. Example: 'hello'.contains('ell') returns true.
In JavaScript, use 'includes()' method: 'string.includes(substring)'. Example: 'hello'.includes('lo')...
It is impossible to accurately determine the exact number of airplanes flying in the sky at any given moment.
The number of airplanes in the sky constantly changes due to take-offs, landings, and flights being at different stages.
Factors such as time of day, weather conditions, and air traffic also affect the number of airplanes in the sky.
Air traffic control systems may provide estimates of the number of airplanes...
Use SQL query to extract data from a given table
Use SELECT statement to retrieve data from the table
Specify the columns you want to retrieve after SELECT
Use FROM clause to specify the table name
Add conditions using WHERE clause if needed
Use ORDER BY clause to sort the results if necessary
Clustering is an unsupervised learning technique that groups similar data points, while supervised learning uses labeled data for predictions.
Clustering: Groups data points based on similarity without predefined labels.
Example: Customer segmentation in marketing to identify distinct groups.
Supervised Learning: Involves training a model on labeled data to make predictions.
Example: Predicting house prices based on f...
Discussing my previous role, I focused on data analysis, reporting, and strategic insights to drive business decisions.
Analyzed sales data to identify trends and improve forecasting accuracy.
Created dashboards for real-time performance tracking, enhancing decision-making.
Collaborated with cross-functional teams to streamline processes and reduce costs.
Presented findings to stakeholders, influencing key business st...
Qlik is a data visualization tool that enables users to create interactive dashboards and analyze data effectively.
Associative Model: Qlik's associative model allows users to explore data freely, making connections across different data sources.
Data Visualization: Qlik provides a variety of visualization options, such as charts, graphs, and tables, to represent data insights clearly.
Self-Service Analytics: Users c...
WNS Analyst Interview Experiences
22 interviews found
Anonymous
I applied via Campus Placement and was interviewed in Oct 2024. There were 3 interview rounds.
Shortlisted students were divided in group of 19
Selected students from gd got the call for case study round
(5 Questions)
- Q1. Questions were based on the case study and guesstimates
- Q2. No. of aeroplane flying in the sky right now
- Ans.
It is impossible to accurately determine the exact number of airplanes flying in the sky at any given moment.
The number of airplanes in the sky constantly changes due to take-offs, landings, and flights being at different stages.
Factors such as time of day, weather conditions, and air traffic also affect the number of airplanes in the sky.
Air traffic control systems may provide estimates of the number of airplanes in a...
- Q3. How will u utilise 1 acre of land provided to u near ur college
- Ans.
I would utilize the 1 acre of land near my college for creating a sustainable community garden.
Establishing vegetable and fruit gardens to promote healthy eating among students
Setting up a composting area to reduce waste and enrich the soil
Creating a space for outdoor classes and events to enhance learning and community engagement
- Q4. How to start a starbuck franchisein ur town
- Ans.
To start a Starbucks franchise in your town, you need to follow a specific process set by the company.
Contact Starbucks corporate office to inquire about franchise opportunities
Meet the financial requirements and submit a franchise application
Find a suitable location for the Starbucks store
Complete the required training and adhere to Starbucks' standards and guidelines
- Q5. Sql extraction of the given table and data
- Ans.
Use SQL query to extract data from a given table
Use SELECT statement to retrieve data from the table
Specify the columns you want to retrieve after SELECT
Use FROM clause to specify the table name
Add conditions using WHERE clause if needed
Use ORDER BY clause to sort the results if necessary
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Campus Placement and was interviewed in Nov 2024. There were 2 interview rounds.
Role of Media in the Age of Fake News
(2 Questions)
- Q1. Estimate the no. of active SIM cards in the Delhi-NCR Region
- Q2. You are a consultant to Juice Manufacturer. A technology company has prepared a de-sugaring technology. Help the client decide if they should invest in the de-sugaring technology.
- Ans.
Evaluate investment in de-sugaring technology for juice manufacturing based on market trends and health benefits.
Market Demand: Increasing consumer preference for low-sugar products can boost sales.
Health Trends: Aligns with health trends promoting reduced sugar intake, appealing to health-conscious consumers.
Competitive Advantage: Early adoption may provide a competitive edge over rivals who do not offer low-sugar opt...
Selected
I applied via Campus Placement and was interviewed in Oct 2024. There were 3 interview rounds.
Be honest and try to be genuine
(2 Questions)
- Q1. What is your name
- Q2. What is your pet name
- Ans.
My pet's name is Max, a playful golden retriever who loves to fetch and cuddle. He's a loyal companion and brings joy to my life.
Max is a golden retriever, known for their friendly and intelligent nature.
He enjoys playing fetch in the park and swimming in the lake.
Max has a quirky habit of chasing his tail when he's excited.
He loves to cuddle on the couch after a long day of play.
(2 Questions)
- Q1. What is your school
- Q2. What is your school name
- Ans.
I attended XYZ University, known for its strong emphasis on analytical skills and data-driven decision-making in various fields.
XYZ University offers a robust curriculum in data analysis and statistics.
The campus is equipped with state-of-the-art technology for research.
I participated in various projects that enhanced my analytical skills, such as a capstone project on market trends.
I applied via Company Website and was interviewed in Oct 2024. There was 1 interview round.
(1 Question)
- Q1. Explain your profile
- Ans.
Detail-oriented analyst with expertise in data analysis, problem-solving, and strategic decision-making to drive business growth.
Strong background in data analysis using tools like Excel and SQL to extract insights.
Experience in creating visual reports that help stakeholders understand complex data.
Proficient in statistical analysis, having used R and Python for predictive modeling.
Worked on a project that improved ope...
Selected
I appeared for an interview in Oct 2024, where I was asked the following questions.
- Q1. What Is clustering , supervised learning
- Ans.
Clustering is an unsupervised learning technique that groups similar data points, while supervised learning uses labeled data for predictions.
Clustering: Groups data points based on similarity without predefined labels.
Example: Customer segmentation in marketing to identify distinct groups.
Supervised Learning: Involves training a model on labeled data to make predictions.
Example: Predicting house prices based on featur...
- Q2. Define describe function in Python
- Ans.
The describe function in Python provides summary statistics of DataFrame columns in pandas.
Used in pandas library to summarize data: df.describe()
Returns count, mean, std, min, 25%, 50%, 75%, and max values.
Can be applied to numeric and categorical data.
Example: df.describe(include='all') shows stats for all data types.
- Q3. Code for anagram
- Q4. Code to find substring
- Ans.
This code snippet demonstrates how to find a substring within a string using various programming languages.
In Python, use 'in' keyword: 'substring' in 'string'. Example: 'cat' in 'concatenate' returns True.
In Java, use 'contains()' method: 'string.contains(substring)'. Example: 'hello'.contains('ell') returns true.
In JavaScript, use 'includes()' method: 'string.includes(substring)'. Example: 'hello'.includes('lo') retu...
Interview Preparation Tips
Selected
I applied via Monster
(2 Questions)
- Q1. Easy if you know basic maths..
- Q2. How you can find company x valuation?
- Ans.
Company x valuation can be found using various methods such as discounted cash flow, comparable company analysis, and precedent transactions.
Use discounted cash flow (DCF) method to estimate the present value of company x's future cash flows.
Conduct comparable company analysis by comparing company x's financial metrics to similar publicly traded companies.
Look at precedent transactions in the industry to see what simil...
Interview Preparation Tips
Selected
I applied via Approached by Company and was interviewed in Aug 2023. There were 5 interview rounds.
(1 Question)
- Q1. Basic Background Questions like Educatiin Qualification, Work Exp, and Introduction to the job & role
Basic questions related to Maths, LR & English
3 Questions were given in the Assignment
1) Market Research on Insurance Sector
2) Financial Stability Assessment of a Company
3) Write up on an Innovative Technology
(1 Question)
- Q1. One on One with Reporting Manager where questiins related to the Case Study was asked along with generic Interview questions and Salary Negotiatiin
Percentage,time and work ,logical diagrams questions
Numerical and qualitative mcqs were there
(1 Question)
- Q1. Guesstimate was asked
Selected
I applied via Campus Placement and was interviewed before Jul 2023. There were 2 interview rounds.
Technical on data science, python, sql
(4 Questions)
- Q1. Basic question of projects
- Q2. Market research case study
- Q3. Machine learning and sql and python
- Q4. Statistics question
Interview Preparation Tips
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WNS Interview FAQs
The duration of WNS Analyst interview process can vary, but typically it takes about less than 2 weeks to complete.
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