Efftronics Systems Solution Engineer Interview Questions and Answers

It was aptitude and technical MCQ questions round

Q1. Technical interview- regarding skills mentioned in resume and projects
Add your answer
Q2. In same round hr interview was done
Add your answer

Round duration - 30. minutes
Round difficulty - Easy

It was in the evening, question were moderate

Q1. 
Count Subsequences Problem Statement
Given an integer array ARR of size N, your task is to find the total number of subsequences in which all elements are equal.
Explanation:
A subsequence of an array i...read more
Ans. 
Count the total number of subsequences in which all elements are equal in an integer array.
• Iterate through the array and count the frequency of each element.

• Calculate the total number of subsequences for each element using the formula (frequency * (frequency + 1) / 2).

• Sum up the total number of subsequences for all elements and return the result modulo 10^9 + 7.
Answered by AI
Add your answer

Round duration - 30 minutes
Round difficulty - Easy

It was in the night around 9:00 PM.

Q1. 
Pair Sum Problem Statement
You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to find and return a list of all pairs of elements where each sum of a pair equals 'S'.
Note:
...read more
Ans. 
Given an array and a target sum, find all pairs of elements that add up to the target sum.
• Iterate through the array and for each element, check if the complement (target sum - current element) exists in a hash set.

• If the complement exists, add the pair to the result list.

• Sort the pairs based on the first element and then the second element.

• Return the list of pairs as the final result.
Answered by AI
Add your answer

Q1. Salary expectation .
Add your answer
Q2. Why should I hire you?
Add your answer

Q1. Mendix Advanced questions.
Add your answer
Q2. Everything which you mentioned in your resume.
Add your answer

Q1. Planning related questions
Add your answer
Q2. SAP excel related questions
Add your answer
Q3. Previous work experience
Add your answer
Q4. Order management related
Add your answer

Q1. Mechanical engineering related
Add your answer
Q2. Order management Sap excel
Add your answer

Q1. Communication related
Add your answer
Q2. Salary discussion related
Add your answer