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ABT Business Solutions Mobile and Web Application Developer Interview Questions and Answers

Updated 22 Jul 2022

ABT Business Solutions Mobile and Web Application Developer Interview Experiences

1 interview found

I applied via Campus Placement and was interviewed before Jul 2021. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Assignment 

CRM Based application development for different business process.

Round 3 - One-on-one 

(2 Questions)

  • Q1. Self intro , About my projects, technical questions depends upon mentioned domain in my cv. What rating you given your technical knowledge.
  • Q2. About my previous works experience and academics, why should change next company, cross check my strength and weakness, finally they asked why did you choose this company and salary expectations.

Interview Preparation Tips

Interview preparation tips for other job seekers - Job seeker only you mention your cv on what you know clearly, clearly explain your projects, your work experience and technical concepts. If your fresher prepare well first round questions like aptitude and gd. Take daily practice and see sample resumes and sample interview questions on google.

Interview questions from similar companies

Interview Preparation Tips

Round: Face to face interview
Experience: This round is all about technical, communication skills checking

Interview Preparation Tips

Round: Test
Experience:   1.Given a billions of words. Find 5 most frequently occurring words?
    2.Given an array which consists of elements in the following form :
              --­>All the adjacent elements differ only by value ­1 or +1.
               --­>You are given an element. You need to search for its index.
            3.Given a binary tree with left and right pointers.Convert it to double linked list?
Duration: NA minute
Total Questions: 3

Round: Test
Experience: 1.Least common ancestor
 2.Given a railway station and number of trains with starting and ending times. You need schedule the trains such that  minimal number of tracks  should be assigned.

Duration: NA minute
Total Questions: 2

Round: Test
Experience:   1.How to implement T9 dictionary?write code for that.
   2.Find the vertical sum of a binary tree.
Ex:
                                                   5
/      \
                                               7        9
                                              /\        / \
                                            3   1    4   6
3)Here, there are 5 vertical paths sums:
   ­>  3
   ­>  7
   ­>  5+ 1+ 4 
   ­>  9
   ­>  6
 Implement it with one traversal?
Duration: NA minute
Total Questions: 3

Round: Test
Experience:  1.Implement stack such that we can find maximal element of current 
stack in O(1) time.
            2.Given a matrix of zeros and ones. If any of the row containing 0 make that row fully as 
zero.Do the same for columns also.Minimize the space complexity of auxiliary 
array to do this

Duration: NA minute
Total Questions: 2

Skills:
College Name: Anna University Chennai

Interview Preparation Tips

Round: Test
Experience: Question 1) Maximal Contiguous Sum in an array of +ve and ­ve numbers 
 write the code ! 
Question 2) Imagine a Bar­ Graph ! Fill the Bar Graph with water now ! Find the total area 
which is covered with water now !

Duration: NA minute
Total Questions: 2

Round: Test
Experience: Question 1)given a Rotated Sorted array find an element in that array( Simple Binary 
Search)
Question 2)Given a number find the number which is next biggest number which you 
can construct with the same digits provided in the number 
Say 678 the next number which is greater than 678 but with same digits is 687 ( 8 and 7 
swapped)
Say 52430 , the answer is 53024

Round: Technical Interview
Experience: 1) Why amazon ?    2) Why should i hire You?
  3) what do u know about amazon ?
and a Technical question
An N-­ary Tree is given in form of an array where the array value =parent of array index and 
array value of root node =­1
Find the height of the Tree now ?


Skills:
College Name: Anna University Chennai

Interview Preparation Tips

Round: Test
Experience: 1.  An Address book in your mobile has its contacts syncd with the Internet.
    write test cases for this scenario.
2. Find second smallest element in an array without sorting
3. A Printer is connected to your laptop.But when trying to print a file it doesn’t print properly.
   i) How will you identify the problem?
   ii)What steps will you take to rectify them?
4.write a program which should accept and integer and print output as below
eg.             1               *
                 2                *
                                   ***
                                   *
                 3                *
                                   ***
                                   *****
                                   ***
                                   *
5. for the code below,analyse and list all possible test cases
read p
read q
if p+q>100
 print “large”
endif
if p>50
 print “p large”
endif


Round: Technical Interview
Experience: Why Amazon?
Why Testing?
Test case for Mobile phonebook (which was asked in written)
Test case for A4 sheet
Test cases for Gmail.

College Name: Anna University Chennai

Interview Preparation Tips

Round: Test
Experience:  This interview was also HR cum technical round but it was known as a bar raiser round. 
I am not sure how to spell it too. The questions were almost the same as in the 3rd interview 
with additional questions like  “ how did you react in conflicting situations in four year career ? “.
This round also ended with technical questions :
a) Given a doubly linked list where the next pointer is pointed to the next node in 
that list but the previous pointer is pointing to any random node. I was asked to make a 
similar list efficiently . [ Simply a xerox of it ]
b) The second question was a string based traversing and pattern matting type 
where there were given two strings ‘A’ and ‘B’. 
I was asked to return true if all the characters in ‘B’ were present in ‘A’ or else 
return false. I explain many solutions in which he asked me to code for a particular 
solution and he verified the code by iterating though the test cases. 
The round ended with few personal questions on experience and my future role. So, I was into 
Amazon after a week of discussions :) 

Skills:
College Name: Anna University Chennai

Interview Preparation Tips

Round: Test
Experience:     Two questions were asked in the written test. It was basically a coding round.
     1) 
                                                                         1
                                                                    /            \
                                                                 2                 3
                                                            /        \           /        \
                                                          4          5       6         7
                                   Output : 1,2 3,7,6,5,4
    2) Given a binary tree, check whether  a given sum ‘x’ is present along any path from the 
root to any of the leaves. 
              1
                                                                    /            \
                                                                 4                 3
                                                            /        \           /        \
                                                          9          5       6         7
                     if x = 14 , answer is true  because 1+4+9 = 14
                     if x =  12, answer is false

Round: Other Interview
Experience: The initial interview was known to be Data Structures and algorithms round. The two 
interviewers totally asked me questions on data structures and mostly concentrated on how 
much I knew about time and space complexities.
a) The first question was to find the vertical column sum of every column in a given 
binary tree and return the result in an array from left to right.
The first solution which I told is by finding the leftmost and rightmost index of the array , 
thereby finding the index for the root. Following to this step, the sum can be stored easily while 
traversing from top to bottom and saving the value at index­1 while moving to the left and at 
index + 1 while moving to the left. This solution used two tree traversals. 
 He was good with this solution but asked to optimise with respect to time. Then, i 
shooted out the solution using a doubly linked list where we can traverse to and fro and store all 
the sum values. While using linked list, instead of index ­1 & index + 1 , prev and next pointers 
can be used to access the next and prev location from the current location. This way , the 
solution is optimized with time.
b) The second question was that I have been given a binary tree where the node 
structure would be something like below :
 struct tree
{
       struct tree * left, *right, *sib ;

Now , the task was to point every sib pointer to its nearest rightmost node in the same level. i.e 
the sib pointer of the rightmost node at every level would be NULL.
The first solution which I told them was to perform a Breadth first search and by using a 
queue would connect all the nodes of a level at a time. But, this would increase the space 
complexity and of course I was asked to optimize the solution.
       Given tree :
                                                                  root ­­­>  1
                                                                             /         \
                                                                         2               3
                                                                     /         \              \
                                                                    4       5                 7
     The result should be :
                                          root ­­­>  1
                                                                             /         \
                                                                         2   ­­­­­­>  3
                                                                     /         \              \
                                                                    4 ­­­­­> 5­­­­­­­­>7
  Let me explain the solution which I gave them for the above example. 
          Starting from 1, for any node connect the sib pointer of left node to its right node if both 
are present or if both are not null. If the left node is not present then no need to perform this 
operation but if the right node is alone present, then there may be another possibility for the 
presence of some other nodes at the same level. Here ,  2 will point to 3 as explained above. In 
the same way 4 will connect to 5 . But , we come to know that in the second  level there is one 
more node 3 and it has a child 7 . So , 5 is connected to 3’s right child. In the same way the 
other nodes would be connected. By this approach, we can understand that before pursuing 
towards any level, all the sib pointers in the previous level are connected. This solution would 
work for all the test cases. 
c) Given two arrays of integers , find the intersection of both arrays. I was asked to give 
various solutions and sort the solutions with respect to time complexitiy.
d) Given a binary search tree with positive integers and a number ‘X’ find the next 
greatest number to X from the BST. If the number is not present, return ­1.

Round: Other Interview
Experience:  and code for it on paper. The two problems were based on data structures.
a) Given a binary tree, find the ancestor matrix where time complexity was considered 
but not much than the written code.
Given tree :
                                                                  root ­­­>  1
                                                                             /         \
                                                                         2               3
                                                                     /         \              \
                                                                    4       5                 6
The ancestor matrix is shown as 
     1   2   3   4   5   6  
1   0   1   1   1   1   1   
2   0   0   0   1   1   0
3   0   0   0   0   0   1
4   0   0   0   0   0   0
5   0   0   0   0   0   0
6   0   0   0   0   0   0
Let the above matrix would m[][]  such that m[i][j] = 1 , where i is the ancestor of j.
b) The second question was to swap every consecutive two nodes in a singly linked list.
         For example given a list 1­2­3­4­5­6­7­null
         The result must be      2­1­4­3­6­5­7­ null
For the above both questions , the interviewer saw the code and reviewed it with 
different test cases to get satisfied.                              


Round: Hr cum technical
Experience: This was a HR cum technical round, but most of the questions were straight forward. 
The two managers who interviewed me were testing my managerial skillls. Lot of questions 
arised and the interview went for more than a hour. Few questions were like :
a) What do you know about Amazon ?
b) Why I preferred Amazon.com to my previous offer ?
c) The responsibilites which I undertook during my college days with brief explanations 
on every responsible task which I did !!
d) Any projects which I did apart from academics ?? I explained about my android 
project which I did with my elder brother.
At the end the round ended with a simple technical question =>
      I was asked to design a stack using a c++ class such that it can perform the following 
functions which will be called by different APIs :
            ­ Create a stack of size ‘n’
­ Push an element into the stack
­ Pop an element from the stack
­ Destroy the stack 
     At the end of this round, I asked about their experiences at Amazon.com and about my 
work/role at amazon in future.

Round: Technical Interview
Experience: Coming to the fourth round, it was totally technical. Technical here covers theortical topic 
from the fields of Operating systems, OOPS and Networks. The questions which were asked 
were :
a) What is the difference between physical address and virtual address ?
b) What is page table and paging ?
c) What is the difference between thread and process ?
d) What is context switch and how it differs between process and threads ?
e) What are threads and why are threads preferred to process ?
f) What are semaphores and differnce between semaphores and locks ??
g) What are the 7 OSI layers in networks and their functionalities ?? He mostly asked 
about transport and network layers.
h) What is encapsulation ?
i) What is polymorphism and their types ??
j) What is differnce between polymorphism and function overloading ??
k) The last question was to design / implement a singleton class .
Here this round ended, but I made many sothapals without sufficient preparation :P
Interview No ­5
 This interview was also HR cum technical round but it was known as a bar raiser round. 
I am not sure how to spell it too. The questions were almost the same as in the 3rd interview 
with additional questions like  “ how did you react in conflicting situations in four year career ? “.
This round also ended with technical questions :
a) Given a doubly linked list where the next pointer is pointed to the next node in 
that list but the previous pointer is pointing to any random node. I was asked to make a 
similar list efficiently . [ Simply a xerox of it ]
b) The second question was a string based traversing and pattern matting type 
where there were given two strings ‘A’ and ‘B’. 
I was asked to return true if all the characters in ‘B’ were present in ‘A’ or else 
return false. I explain many solutions in which he asked me to code for a particular 
solution and he verified the code by iterating though the test cases. 
The round ended with few personal questions on experience and my future role. So, I was into 
Amazon after a week of discussions

Skills:
College Name: Anna University Chennai

I was interviewed in Sep 2018.

Interview Preparation Tips

General Tips: Describe yourself and then technical question start
1. Oops concept
2. Asp.net
3. Sql (including triggers)
4. Asp.net MVC(including EF)
5. JQuery.
Skills: Communication, Body Language
Duration: 1-3 Months

Interview Questionnaire 

4 Questions

  • Q1. What is the class?
  • Ans. 

    A class is a blueprint for creating objects in object-oriented programming.

    • A class defines the properties and behaviors that an object will have.

    • It serves as a template for creating multiple instances of objects.

    • Objects are instances of a class, and they can have their own unique values for the properties defined in the class.

    • Methods defined in a class can be used to perform actions or manipulate the object's data.

    • In m...

  • Answered by AI
  • Q2. What is inheritance?
  • Ans. 

    Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.

    • Inheritance allows for code reuse and promotes modularity.

    • The class that is being inherited from is called the superclass or base class.

    • The class that inherits from the superclass is called the subclass or derived class.

    • The subclass can access the public and protected members of the superclass.

    • Inhe...

  • Answered by AI
  • Q3. What is encapculation?
  • Ans. 

    Encapsulation is the process of hiding implementation details and exposing only necessary information.

    • Encapsulation is a fundamental concept in object-oriented programming.

    • It helps in achieving data abstraction and information hiding.

    • It allows for better control over the data and prevents unauthorized access.

    • Examples include access modifiers like public, private, and protected in Java.

    • Encapsulation also helps in reduci

  • Answered by AI
  • Q4. Why do i use loop and how many types of loops in php?
  • Ans. 

    Loops are used to execute a block of code repeatedly. PHP has four types of loops: for, while, do-while, and foreach.

    • Loops help in automating repetitive tasks.

    • For loop is used when the number of iterations is known.

    • While loop is used when the number of iterations is unknown.

    • Do-while loop is similar to while loop, but it executes the code block at least once.

    • Foreach loop is used to iterate over arrays or objects.

  • Answered by AI

Interview Preparation Tips

Round: Resume Shortlist
Experience: written test in html and css with 100 question and i marked 95 question with accurate answer
Tips: i solved each question with hard concentration

Round: Technical Interview
Experience: i answered all the question with explanation on simpe white paper while explain all the question interviewer was looking happy..
because way of my explain was simple and short
Tips: keep your doubts clear

Skills evaluated in this interview

Interview Questionnaire 

20 Questions

  • Q1. Hi maghalakshmi, how do u feel till yesterday
  • Q2.  and wat about today
  • Q3.  tell me about yourself (though i have told enough he kept on asking me to continue..on and on)
  • Q4.  tell me a situation where you proved yourself to be a very good team player(since i mentioned  this)
  • Q5. Have you done any proposals? innovative works? what is it?
  • Ans. 

    Yes, I have done several innovative proposals and works.

    • Developed a new marketing strategy for a startup which increased their revenue by 50%

    • Designed a new user interface for a mobile app which improved user engagement by 30%

    • Proposed a new project management system for a company which reduced project completion time by 20%

    • Created a new training program for employees which improved their productivity by 25%

  • Answered by AI
  • Q6. Have you fought with your friends?for what?how did you resolved it?
  • Ans. 

    Yes, I have fought with my friends over small misunderstandings. We resolved it by talking it out and apologizing.

    • I have fought with my friends over small misunderstandings

    • We resolved it by talking it out and apologizing

    • It's important to communicate and understand each other's perspectives

  • Answered by AI
  • Q7. Where do you want to see yourself after 5 years?
  • Ans. 

    In 5 years, I see myself as a successful professional with a leadership role in my field.

    • Leading a team of professionals

    • Contributing to the growth of the organization

    • Continuing to learn and develop new skills

    • Mentoring and guiding junior colleagues

    • Establishing myself as an expert in my field

  • Answered by AI
  • Q8. What will you do in your leisure time?
  • Ans. 

    I enjoy reading, hiking, and trying new recipes in my leisure time.

    • Reading books from different genres

    • Hiking in nearby trails and exploring nature

    • Cooking and experimenting with new recipes

    • Attending cultural events and festivals

    • Playing board games with friends and family

  • Answered by AI
  • Q9. List all indian it companies ?
  • Ans. 

    List of Indian IT companies

    • Tata Consultancy Services

    • Infosys

    • Wipro

    • HCL Technologies

    • Tech Mahindra

    • Mindtree

    • Larsen & Toubro Infotech

    • Mphasis

    • Hexaware Technologies

    • Persistent Systems

    • Zensar Technologies

    • Cyient

    • NIIT Technologies

    • KPIT Technologies

    • Tata Technologies

    • IGATE

    • Polaris Consulting & Services

    • Syntel

    • Genpact

    • Capgemini India

  • Answered by AI
  • Q10. What do you know about accenture?
  • Ans. 

    Accenture is a global professional services firm that provides consulting, technology, and outsourcing services.

    • Founded in 1989 and headquartered in Dublin, Ireland

    • Operates in more than 120 countries

    • Offers services in strategy, consulting, digital, technology, and operations

    • Clients include Fortune Global 500 companies

    • Has over 500,000 employees worldwide

  • Answered by AI
  • Q11. Why accenture?
  • Ans. 

    Accenture is a global leader in consulting, technology and outsourcing services.

    • Accenture has a strong reputation for delivering innovative solutions to clients across various industries.

    • The company offers a diverse range of career opportunities and invests in employee development.

    • Accenture's commitment to sustainability and social responsibility aligns with my personal values.

    • I am impressed by Accenture's focus on div...

  • Answered by AI
  • Q12. What do you prefer?newspaper or news channel?why?(i told him that i used to watch news  channel while eating as i wont spend time separately for this)
  • Q13.  which news channel you used to see?
  • Ans. 

    I used to see CNN for news updates.

    • I prefer CNN for its unbiased reporting.

    • I also watch local news channels for regional updates.

  • Answered by AI
  • Q14. Is the gold rate increasing or decreasing for the past 1 week
  • Q15. What is the gold rate today?
  • Ans. 

    The gold rate today varies depending on the location and currency. Please specify the location and currency for an accurate answer.

    • Gold rate varies by location and currency

    • Check with local jeweler or online sources for accurate rates

    • Factors such as demand, supply, and global economic conditions affect gold rates

  • Answered by AI
  • Q16. Will you work for night shift
  • Ans. 

    Yes, I am willing to work for night shift.

    • I am comfortable working during night hours

    • I understand the importance of maintaining a healthy work-life balance

    • I have prior experience working night shifts and can adjust my schedule accordingly

  • Answered by AI
  • Q17. Would you mind if we asked you for a bond?
  • Ans. 

    It depends on the specifics of the bond being requested.

    • I would need more information about the bond, such as the amount and terms.

    • If it is a reasonable request and aligns with my career goals, I may consider it.

    • However, if the bond is too restrictive or not in my best interest, I may decline.

    • Ultimately, it would depend on the details of the bond and how it would impact my career.

  • Answered by AI
  • Q18. Which place you prefer to work?
  • Ans. 

    I prefer to work in a collaborative and supportive environment that values creativity and innovation.

    • I enjoy working with a team that shares ideas and works towards a common goal

    • I appreciate a workplace that encourages experimentation and taking risks

    • I value a company culture that prioritizes work-life balance and employee well-being

  • Answered by AI
  • Q19. How much time do you spend travelling to your college?i said 45 minutes and i used to solve  sudoku at that time. i told this because i mentioned it in my hobby and i told him in such a way  that i will u...
  • Q20. Any qns for me?(pl do ask something. i asked him something related to training)

Interview Preparation Tips

Round: HR Interview
Experience: finally a small handshake and thats all. i was a bit tensed but managed to have a smile 
throughout the interview.

Skills:
College Name: Anna University Chennai
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ABT Business Solutions Interview FAQs

How many rounds are there in ABT Business Solutions Mobile and Web Application Developer interview?
ABT Business Solutions interview process usually has 3 rounds. The most common rounds in the ABT Business Solutions interview process are Assignment, One-on-one Round and Resume Shortlist.

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