91Squarefeet Senior Project Engineer Interview Questions and Answers

50 mcq were asked in 12 mins. Most of the candidates qualified this round.

3 coding questions of basic DSA were asked. Also few mcqs from Operating System, Networking and DBMS.

Q1. The technical round was of 40 mins. 3 standard questions from DSA were asked for which only approach was enough. Questions were from string, array and tree- Rotated string, Lowest common ancestor, etc.
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Q2. Project related discussion regarding my role in the team.
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Q3. A few HR questions related to family background. Why not go for higher studies like the rest of my family. Had to convince him that I saw more growth in working for an organisation.
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Q1. My introduction then, standard HR questions like where do i see myself in coming yrs, why do i want to join the company, etc. It lasted 10 mins
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50 questions in 12mins

Q1. Basic DSA question in binary search and memoization
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15 minutes test.
50 questions
easy questions
Management , Leadership , Character Type questions

2 coding questions
resume grilling
easy medium questions

Q1. Time management questions
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Q2. Toughest project you work upon
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Q1. Tell me about your self?
Ans. Good morning mam or sir first of all thank you for giving me this apportuniti. To introduce myself my name Chanda hemalatha iam staying proddatur. Now iam persving BSC graduation in yogivemana university My father name is Chanda sreenivasulu he is a weaver abd my mother name is Chanda kumari she is a homemaker. I have 2 sister and my hobbies watching TV, reading books, listening music.and my weekness is will not fell c...read more
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Q2. Why shud I hire you?
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Q1. What is about your self?
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Q2. Why should I hire you?
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Q3. I love traveling at a new places.
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Q1. 1. Questions around projects : JWT, UserAuthentication etc
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Q2. 2. Write a code to find frequency of characters in a given string?
Ans. 
Code to find frequency of characters in a given string
• Use a hash table to store character frequencies

• Iterate through the string and update the hash table accordingly

• Print the hash table to display the character frequencies
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Q1. 1. Write a code to reverse a linked list?
Ans. 
Code to reverse a linked list
• Create three pointers: prev, curr, and next

• Initialize prev to null and curr to head

• Loop through the list and set next to curr's next node

• Set curr's next node to prev

• Move prev and curr one node ahead

• Return prev as the new head
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Q2. 2. Write a code to reverse linked list in size of K?
Ans. 
Code to reverse linked list in size of K
• Create a function that takes head of linked list and size K as input

• Traverse the linked list in groups of K nodes

• Reverse each group of K nodes using iterative or recursive approach

• Connect the reversed groups to form the final linked list

• Return the new head of the reversed linked list
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Q3. 3. Questions around project and design a database structure for comments system of quora?
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Q1. Basic HR round questions
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Aptitude, Reasoning

Technical codes