Gemini Solutions Software Engineer Trainee Interview Questions and Answers for Freshers

Group discussion was the first round on avg there were 15 people in a group discussion at last everyone was given a minute to speak

Q1. Tell me about yourself?
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Q2. Where do you see yourself in five years?
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Q3. Tell me about your family?
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Q4. Do you plan on Higher education?
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Q1. Questions on OOPs concept
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Q2. Sort the array by parity
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Q3. Write SQL queries
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Q4. Who wrote the book discovery of the nation
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Q5. What is the official language of kashmir
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Q6. Which city is called city of lakes
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Q1. Find the length of the longest word in the length
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Q2. Push the zeroes in the arrays to the end
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Q3. When was python launched
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Q4. What is name of ai from meta/google/amazon
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Q5. What do you do in your free time
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Q6. Tell me your pros and cons
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I was given a test which was not that difficult

Q1. Why are you leaving the current job
Ans. 
Seeking new challenges and growth opportunities in a more innovative environment.
• Looking for new challenges and opportunities for growth

• Interested in working in a more innovative environment

• Seeking a change in company culture or work-life balance
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Q2. What's the driving factor for you to join Altair
Ans. 
The innovative projects and collaborative work environment at Altair are the driving factors for me to join.
• Innovative projects: I am excited about the opportunity to work on cutting-edge projects that push the boundaries of technology.

• Collaborative work environment: I value teamwork and believe that working with talented individuals at Altair will help me grow professionally.

• Company culture: I have heard great things ...read more
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Apti , html , linux ,sql, java

They give topics and we have to speak for 30 sec

Screen test it will take 30min

Q1. What is react, What is dom, what is different between dom vs vdom
Ans. 
React is a JavaScript library for building user interfaces. DOM stands for Document Object Model. VDOM is a virtual representation of the DOM.
• React is a JavaScript library used for building user interfaces.

• DOM (Document Object Model) is a programming interface for web documents.

• VDOM (Virtual DOM) is a lightweight copy of the DOM used for performance optimization.

• The main difference between DOM and VDOM is that VDOM is ...read more
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They will give you the link for aptitude and coding test in the 1st round.

Q1. In this round, they ask you some techical question, it's dependents upon your skill and experience.
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Q1. Just discuss timing, dress code, company policy etc.
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3 three-question assignment was given to be done and submitted in 2 hours.

Design music player, implement shuffle feature

Round duration - 90 minutes
Round difficulty - Easy

Timing - 10AM-11:30AM
Online proctored test

Q1.  Right View
You have been given a Binary Tree of integers.
Your task is to print the Right view of it.
The right view of a Binary Tree is a set of nodes visible when the tree is viewed from the Right s...read more
Ans. 
The problem can be solved using simple recursive traversal. We can keep track of level of a node by passing a parameter to all recursive calls. keep track of maximum level also. And traverse the tree in a manner that right subtree is visited before left subtree. Whenever we see a node whose level is more than maximum level so far, we print the node because this is the last node in its level.
Answered by CodingNinjas
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Q2. 0 1 Knapsack
A thief is robbing a store and can carry a maximal weight of W into his knapsack. There are N items and the ith item weighs wi and is of value vi. Considering the constraints of the maximum we...read more
Ans. 
Simple DP problem:
The state DP[i][j] will denote maximum value of ‘j-weight’ considering all values from ‘1 to ith’. 
So I considered ‘wi’ (weight in ‘ith’ row) we can fill it in all columns which have ‘weight values > wi’. Now two possibilities can take place: 

Fill ‘wi’ in the given column.
Do not fill ‘wi’ in the given column

Took maximum of these two possibilities
Answered by CodingNinjas
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Round duration - 45 minutes
Round difficulty - Medium

Timing : 4PM-5PM
Environment - Online

There was a panel of 3 interviewers

Q1. C++ Question
find size of array in C/C++ without using sizeof ?We cannot use any standard function
Ans. 
I didn't knew answer at first. Then interviewer told me to think in address direction and with their incremental help I was able to give perfect solution.
Initialize the elements of the array.
&a => This is the pointer to array which points at the same memory address as a.
&a + 1 => It points at the address after the end of the array.
*(a+1) => Dereferencing to *(&a + 1) gives the address after the end...read more
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Q2. DBMS based question
Explain how indexing in DB works using B+ trees?
Ans. 
Tip 1 : Read Concepts of DBMS thoroughly
Tip 2 : Practice B+ tress from DS perspective as well
Answered by CodingNinjas
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Round duration - 45 mintues
Round difficulty - Easy

Timing - 11AM-12:15PM
Environment - online video call

Again there was a panel of 2 senior engineers

Q1. Maximum Path Sum
You are given an n-ary tree consisting of ‘N’ nodes. Your task is to return the maximum sum of the path from the root to the leaf node.
For example:
For the given tree:
The path 1 -&...read more
Ans. 
I had to construct n-ary tree myself.
Then I used a DFS traversal starting from the root
maximum value among all maximum path sums is the required answer.
Answered by CodingNinjas
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