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Mobase Interview Questions and Answers
Mobase Interview Experiences
5 interviews found
Selected
I applied via Company Website and was interviewed in Apr 2023. There were 2 interview rounds.
(3 Questions)
- Q1. What is safety What is hazard What is risk What is PPE What is work permit system
- Ans.
Safety is the state of being protected from harm or danger. Hazard is a potential source of harm or danger. Risk is the likelihood of harm or danger occurring. PPE is personal protective equipment. Work permit system is a formal written system used to control certain types of work that are potentially hazardous.
Safety refers to measures taken to prevent harm or danger to people, property, or the environment.
Hazards are...
- Q2. What is safety policy What is safety audit What is accident , accident and near miss. What is job responsibility
- Ans.
Safety policy is a set of rules and guidelines to ensure safety in a workplace. Safety audit is an inspection to ensure compliance with safety policies. Accident is an unplanned event that results in injury or damage. Near miss is a close call that could have resulted in an accident. Job responsibility is the duties and tasks assigned to an employee.
Safety policy is a written document that outlines the safety rules and...
- Q3. What is housekeeping What is 5s
- Ans.
Housekeeping refers to the maintenance and cleanliness of a workplace or living space. 5S is a methodology for organizing and improving workplace efficiency.
Housekeeping involves regular cleaning, organizing, and maintenance of a space to ensure safety and productivity.
5S is a methodology that stands for Sort, Set in Order, Shine, Standardize, and Sustain. It is used to organize and improve workplace efficiency.
Example...
Interview Preparation Tips
Fire & Safety Engineer Interview Questions asked at other Companies
Selected
I applied via Walk-in and was interviewed in Sep 2024. There was 1 interview round.
(2 Questions)
- Q1. Self intro about me
- Q2. About my joy in previous company
Interview Preparation Tips
- Self intro
- What is your rolls and Responsib
Associate Engineer Interview Questions asked at other Companies
Selected
I applied via Recruitment Consulltant and was interviewed in Feb 2023. There were 3 interview rounds.
C language ,embedded c, c++ ,written test of three papers 1 paper is Mcq's of 30on c language, then 30 Mcq's on embedded c, and c language programming of 15 questions
(1 Question)
- Q1. About embedded c,and questions on basic electronics,and c language
Interview Preparation Tips
Graduate Engineer Trainee (Get) Interview Questions asked at other Companies
Quality Assurance Quality Control Engineer Interview Questions & Answers
SHARAD VERMA
posted on 28 Jun 2024
I applied via Recruitment Consulltant and was interviewed before Jun 2023. There was 1 interview round.
(2 Questions)
- Q1. Previous work experience
- Q2. Salary breakout and salary expectation Self itroduction
Quality Assurance Quality Control Engineer Interview Questions asked at other Companies
Mobase interview questions for popular designations
I applied via Campus Placement and was interviewed in Feb 2022. There were 2 interview rounds.
(1 Question)
- Q1. Share details of your previous job.
(1 Question)
- Q1. What are your salary expectations?
Interview Preparation Tips
Supervisor Interview Questions asked at other Companies
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I was interviewed before Dec 2020.
(2 Questions)
Round duration - 60 Minutes
Round difficulty - Medium
This round was purely based on Data Structures and Algorithms . One has to be fairly comfortable in solving Algorithmic problems to pass this round . Both the questions asked were quite common and luckily I had already prepared them from CodeStudio and LeetCode.
- Q1.
Binary Tree Traversals Problem Statement
Given a Binary Tree with 'N' nodes, where each node holds an integer value, your task is to compute the In-Order, Pre-Order, and Post-Order traversals of the binar...
- Ans.
Compute the In-Order, Pre-Order, and Post-Order traversals of a Binary Tree given in level-order format.
Implement functions to perform In-Order, Pre-Order, and Post-Order traversals of a Binary Tree.
Use level-order input to construct the Binary Tree.
Traverse the Binary Tree recursively to generate the required traversals.
Ensure proper handling of null nodes represented by -1 in the input.
Return the three traversals as
- Q2.
Reverse Linked List Problem Statement
Given a Singly Linked List of integers, your task is to reverse the Linked List by altering the links between the nodes.
Input:
The first line of input is an intege... - Ans.
Reverse a singly linked list by altering the links between nodes.
Iterate through the linked list and reverse the links between nodes
Use three pointers to keep track of the current, previous, and next nodes
Update the links between nodes to reverse the list
Return the head of the reversed linked list
(1 Question)
Round duration - 45 Minutes
Round difficulty - Medium
This round basically tested some concepts from Data Structures and File Manipulation .
- Q1.
Intersection of Two Arrays Problem Statement
Given two arrays
AandBwith sizesNandMrespectively, both sorted in non-decreasing order, determine their intersection.The intersection of two arrays in...
- Ans.
The problem involves finding the intersection of two sorted arrays efficiently.
Use two pointers to iterate through both arrays simultaneously.
Compare elements at the pointers and move the pointers accordingly.
Handle cases where elements are equal and update the intersection array.
Return the intersection array as the result.
Interview Preparation Tips
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.
Skills evaluated in this interview
Anuj Gupta
Interview Questionnaire
6 Questions
- Q1. Given a Linked list , print yes if it is palindrome else print no
- Q2. Print the level order traversal of the binary tree in the spiral form
- Ans.
Print the level order traversal of binary tree in spiral form
Perform level order traversal of the binary tree
Alternate the direction of traversal for each level
Use a stack to reverse the order of nodes in each level
Print the nodes in the order of traversal
- Q3. Maximum of all subarrays of size k(Expected Time Complexity O(N). Input : arr[] = {1, 2, 3, 1, 4, 5, 2, 3, 6} k = 3 Output : 3 3 4 5 5 5 6
- Ans.
Find the maximum element in each subarray of size k in a given array.
Iterate through the array from index 0 to n-k.
For each subarray of size k, find the maximum element.
Store the maximum elements in a separate array.
Return the array of maximum elements.
- Q4. Given Two sorted array of size size n each. Find the Kth largest element in these two array (Expected Time Complexity Log(n))
- Ans.
To find the Kth largest element in two sorted arrays, we can use the merge step of merge sort algorithm.
Merge the two arrays into a single sorted array using a modified merge sort algorithm.
Return the Kth element from the merged array.
- Q5. Website having several web-pages. And also there are lot many user who are accessing the web-site. say user 1 has access pattern : x->y->z->a->b->c->d->e->f user 2 has access pattern : z->a->b->c->d user 3...
- Q6. Given two array , one of size m+n and contains m element and other position are empty , 2nd array is of size n and contains n element. both array are sorted , now merge the second array to first one such t...
- Ans.
Merge two sorted arrays into one sorted array with expected time complexity of (m+n).
Use a two-pointer approach to compare elements from both arrays and merge them into the first array.
Start comparing elements from the end of both arrays and place the larger element at the end of the first array.
Continue this process until all elements from the second array are merged into the first array.
Interview Preparation Tips
Duration: 90 minutes
Skills: Algorithm , OS, DBMS, data structure
College Name: NIT BHOPAL
Skills evaluated in this interview
Interview Preparation Tips
Experience: Coding questions were comparatively easy. There were three questions.1. Given a string map each character of which to the corresponding digit in a 10 digit mobile phone keypad.2. Don't remember, will add when it comes to my mind.3. Don't remember, will add when it comes to my mind.
Skills: Coding ability, Complete knowledge of working of internet.,
College Name: IIT Bombay
Interview Preparation Tips
Experience: Just 1 online test
Round - I (90 mins)
Online Test conducted @ HackerRank
a. M.C.Qs (Operating System + Aptitude + C Programming Language + Object Oriented Programming)
b. Programming (2 coding questions)The Online Exam started off after a brief Presentation on Amazon.
The MCQs were largely based on Operating System, Data structures and Algorithms, OOP concepts, C language and Aptitude.
Coding Questions
1. Determine whether a Linked List is a palindrome or not.
2. Given few sets of intervals print out the the entire intervals without overlapping , if they overlap then combine them into one.
Eg: Input : (5,7) (1 , 6) (2 ,4) (10 ,14) (8,9)
Output : (1,7) (8,9) (10,14)
Advice: Must solve at least 1 coding question to have a good chance for selection into the next round
Tips: CGPA holds importance because it is basic eligibility criteria for written test and then secondly it increases odds in your favor of your selection more than those with lower CGPA with same interview performance. Prepare a good resume
1. Prioritize your content
2. Put the most important information first (Academic Projects + Internship)
3. Proofread it twice
Advice : Do your best and leave the rest to god
Round: Test
Experience: Round II
2 Coding questions
1. Classic 2-sum problem
2. Given numbers a, b as the seeds for the Fibonacci sequence determine if a third number 'k' is a part of that sequence or not. (Tricky)
Total Questions: 2
Round: Other Interview
Experience: Round III
1. Tell me about yourself
2. Project + Internship Discussion
3. Compress a given string "aabbbccc" to "a2b3c3"
constraint: inplace compression, no extra space to be used
assumption : output size will not exceed input size
Round: Technical Interview
Experience: Round IV
1. Internship Project Discussion (30 mins)
2. Find the largest count of 0s in a row in a matrix of 0s and 1s sorted in an ascending order row-wise.
3. Replicate a tree with random pointers inplace
Round: Other Interview
Experience: Round V
1. Question related to graphs involving concepts of Depth and Height of a tree. (Took a lot of time in solving it ! but finally recognized the pattern)
2. Maximum size square sub-matrix with all 1s
3. Find the median of an infinite series of integers
4. Find the most popular Google searches. (solved it using Trie and Max-Heaps)
2 more questions but can't remember them.Finally after waiting for more than 9 hours the results were announced and I was selected
Tips: Be cool and always ask the interviewer questions at the end of the interview. Explain the interviewer your progress while solving the question so that you both are on the same page + its easier for him to understand. Behavioral and H.R.
Tips
1. Speak clearly and with confidence
2. Always prepare yourself beforehand for some common questions like:
a. Tell me about yourself.
b. Why should I hire you?
c. What are your strengths and weaknesses? (give examples)
d. What is your Dream Company?
General Tips: They judge you purely on the basis of your knowledge and performance during the face to face interviews. The extra curricular activities are not given much consideration as Amazon focuses its recruitment procedure purely on the basis of your Technical Knowledge. Prepare a good resume
1. Prioritize your content
2. Put the most important information first (Academic Projects + Internship)
3. Proofread it twice
College Name: NIT JAIPUR
Interview Questionnaire
8 Questions
- Q1. Given a n-ary tree. Devise an algo which determines the position at which the 3rd B is present from the given index in constant time complexity
- Ans.
The algorithm finds the position of the 3rd occurrence of 'B' in an n-ary tree from a given index in constant time complexity.
Traverse the n-ary tree using a depth-first search (DFS) algorithm
Keep track of the count of 'B' occurrences
When the count reaches 3, return the current position
If the end of the tree is reached before the 3rd 'B', return -1
- Q2. Given a dictionary with limited words. Check if the string given to you is a composite of two words which are already present in the dictionary
- Ans.
Check if a given string is a composite of two words from a limited dictionary.
Create a hash set of all the words in the dictionary.
Iterate through all possible pairs of substrings in the given string.
Check if both substrings are present in the hash set.
If yes, return true. Else, return false.
- Q3. Given a single linked list of certain nodes. Switch adjacent nodes. Eg. 1 2 3 4 will be 2 1 4 3
- Ans.
Switch adjacent nodes in a single linked list.
Traverse the linked list and swap adjacent nodes.
Keep track of previous node to update its next pointer.
Handle edge cases for first two nodes and last node.
Example: 1->2->3->4 becomes 2->1->4->3.
- Q4. Given a binary search tree. Traverse only the left sub-tree
- Ans.
Traverse only the left sub-tree of a binary search tree.
Start at the root node
If the left child exists, visit it and repeat the process
If the left child does not exist, return to the parent node
Continue until all nodes in the left sub-tree have been visited
- Q5. Implementation of AVL tree. I told solution in nlogn. He asked me optimize further
- Q6. Write a program to test whether a string and all strings that can be made using the characters of that string are palindrome or not Input Output mmo True yakak True travel False
- Q7. Next, I was asked to design an efficient data structure for two lifts in a building of n floors
- Ans.
Design an efficient data structure for two lifts in a building of n floors.
Use a priority queue to keep track of the floors each lift is heading to
Implement a scheduling algorithm to determine which lift to assign to a new request
Consider adding a weight limit to each lift to prevent overloading
Use a hash table to keep track of the current location of each lift
- Q8. Given a Integer, find the maximum number that can be formed from the digits. Input : 8754365 output : 8765543
- Ans.
To find the maximum number that can be formed from the digits of an integer.
Convert the integer to a string
Sort the characters in descending order
Join the sorted characters to form the maximum number
Interview Preparation Tips
Skills: Algorithms, Data structures
College Name: PSIT
Skills evaluated in this interview
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