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REI Systems
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I appeared for an interview in Feb 2025, where I was asked the following questions.
I applied via Naukri.com and was interviewed in May 2022. There were 3 interview rounds.
I applied via Naukri.com and was interviewed before Nov 2021. There were 4 interview rounds.
Case study given for senior business analyst for a evaluation of analytical skills
Senario based assessment was done to check written communication
The roles and responsibilities of a business analyst (BA) and a product owner (PO) differ in terms of focus and scope.
A BA is responsible for analyzing business processes, identifying problems, and proposing solutions.
A BA works closely with stakeholders to gather requirements and translate them into functional specifications.
A BA facilitates communication between business and technical teams.
A PO, on the other hand, f...
Business Analyst (BA) focuses on understanding business needs and requirements, while Project Manager (PM) focuses on planning, organizing, and executing projects.
BA analyzes business processes and identifies areas for improvement, while PM oversees the entire project lifecycle.
BA works closely with stakeholders to gather and document requirements, while PM coordinates resources and manages project timelines.
BA transla...
REI Systems interview questions for popular designations
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posted on 4 May 2019
I applied via Naukri.com and was interviewed in Oct 2018. There were 3 interview rounds.
I applied via Company Website and was interviewed before Dec 2019. There were 3 interview rounds.
posted on 14 Sep 2021
I applied via Campus Placement and was interviewed in Mar 2021. There were 4 interview rounds.
Joins in SQL are used to combine data from two or more tables based on a related column.
Inner join returns only the matching rows from both tables
Left join returns all rows from the left table and matching rows from the right table
Right join returns all rows from the right table and matching rows from the left table
Full outer join returns all rows from both tables, with NULL values for non-matching rows
Cross join retur
Given an array of integers, find a contiguous subarray with a given sum.
Use a sliding window approach to iterate through the array and keep track of the current sum.
If the current sum exceeds the given sum, move the window's left endpoint forward.
If the current sum is less than the given sum, move the window's right endpoint forward.
If the current sum equals the given sum, return the subarray.
Time complexity: O(n), Spa
posted on 11 Feb 2022
I applied via Campus Placement and was interviewed in Aug 2021. There were 4 interview rounds.
1st test was aptitude and a easy coding test
The 2nd test was pure coding based test on hacker rank platform and contains 2 easy and 2 medium question
I appeared for an interview before Apr 2021.
Round duration - 60 minutes
Round difficulty - Easy
Technical interview round with questions on DSA and DBMS mainly.
Given an array ARR
consisting of N
integers, determine the sum of the subarray with the maximum sum, including the possibility of an empty subarray.
A subarray is a...
Find the sum of the subarray with the maximum sum in a given array.
Iterate through the array and keep track of the current sum and maximum sum.
Update the maximum sum if the current sum becomes greater.
Handle cases where the array has all negative numbers or empty subarray.
Example: For input [-2, 1, -3, 4, -1], the maximum sum subarray is [4] with sum 4.
Given a positive integer N
, your task is to identify all prime numbers less than or equal to N
.
A prime number is a natural number greater than 1 that has no po...
Identify all prime numbers less than or equal to a given positive integer N.
Iterate from 2 to N and check if each number is prime
Use the Sieve of Eratosthenes algorithm for efficient prime number identification
Optimize by only checking numbers up to square root of N for divisibility
Joins in databases are used to combine rows from two or more tables based on a related column between them.
Joins are used to retrieve data from multiple tables based on a related column.
Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.
INNER JOIN returns rows when there is at least one match in both tables.
LEFT JOIN returns all rows from the left table and the matched rows from the right ta...
Round duration - 30 minutes
Round difficulty - Easy
Typical HR round with behavioral problems.
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
posted on 30 May 2022
I applied via Recruitment Consulltant and was interviewed before May 2021. There were 5 interview rounds.
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