Filter interviews by
Clear (1)
What people are saying about WNS
I applied via Naukri.com and was interviewed in Feb 2022. There was 1 interview round.
WNS interview questions for designations
I applied via Naukri.com and was interviewed in Feb 2022. There was 1 interview round.
I applied via Walk-in and was interviewed before Jun 2020. There was 1 interview round.
I applied via Walk-in and was interviewed before Apr 2021. There were 2 interview rounds.
I was interviewed before Dec 2020.
Round duration - 120 Minutes
Round difficulty - Medium
Ninja, a new member of the FBI, has acquired some 'SECRET_INFORMATION' that he needs to share with his team. To ensure security against hackers, Ninja dec...
The task is to encode and decode 'SECRET_INFORMATION' for security purposes and determine if the transmission was successful.
Read the number of test cases 'T'
For each test case, encode the 'SECRET_INFORMATION' and then decode it
Compare the decoded string with the original 'SECRET_INFORMATION'
Print 'Transmission successful' if they match, else print 'Transmission failed'
Round duration - 60 Minutes
Round difficulty - Medium
Given an array Arr
consisting of N integers, your task is to find the equilibrium index of the array.
An index is considered as an equilibrium index if the sum of elem...
Find the equilibrium index of an array where sum of elements on left equals sum on right.
Iterate through the array and calculate prefix sum and suffix sum at each index.
Compare prefix sum and suffix sum to find equilibrium index.
Return the left-most equilibrium index or -1 if none found.
Round duration - 50 Minutes
Round difficulty - Easy
Tip 1 : Focus more on SQL
Tip 2 : Keep up with ongoing projects in the company
Tip 1 : Be honest about what you add.
Tip 2 : Don't forget to mention extra curriculars.
I applied via Walk-in and was interviewed before Aug 2021. There were 2 interview rounds.
Transposing a data set involves flipping rows and columns.
Identify the data set to be transposed
Create a new table with the columns and rows flipped
Copy the data from the original table to the new table
Transpose can be done using Excel, Python, R, SQL, etc.
Example: Transposing a table of sales data to have products as rows and months as columns
Some of the top questions asked at the WNS Data Engineer interview -
based on 2 interviews
1 Interview rounds
based on 1 review
Rating in categories
Senior Associate
13.4k
salaries
| ₹0 L/yr - ₹0 L/yr |
Associate
4.7k
salaries
| ₹0 L/yr - ₹0 L/yr |
Associate Lead
3.3k
salaries
| ₹0 L/yr - ₹0 L/yr |
Assistant Manager
3.1k
salaries
| ₹0 L/yr - ₹0 L/yr |
Senior Associate Operations
2.9k
salaries
| ₹0 L/yr - ₹0 L/yr |
TCS
Infosys
HCLTech
Tech Mahindra