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Truth Labs Interview Questions and Answers

Updated 23 Aug 2021

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Director Interview Questions & Answers

user image Anonymous

posted on 20 Aug 2021

Interview Questionnaire 

2 Questions

  • Q1. Why do yo want to join?
  • Q2. Tell your strengths & weaknesses

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident and frank. Do not bluff. Be truthful

Director Interview Questions asked at other Companies

Q1. On what basis would you enhance the pipeline products of the company?
View answer (2)

Interview questions from similar companies

I was interviewed before Apr 2021.

Round 1 - Coding Test 

(3 Questions)

Round duration - 90 minutes
Round difficulty - Medium

This round had 3 coding questions of Medium to Hard level of difficulty.

  • Q1. 

    Balanced Parentheses Combinations

    Given an integer N representing the number of pairs of parentheses, find all the possible combinations of balanced parentheses using the given number of pairs.

    Explanati...

  • Ans. 

    Generate all possible combinations of balanced parentheses for a given number of pairs.

    • Use recursion to generate all possible combinations of balanced parentheses.

    • Keep track of the number of open and close parentheses used in each combination.

    • Return the valid combinations as an array of strings.

  • Answered by AI
  • Q2. 

    Trapping Rain Water Problem Statement

    You are given a long type array/list ARR of size N, representing an elevation map. The value ARR[i] denotes the elevation of the ith bar. Your task is to determine th...

  • Ans. 

    Calculate the total amount of rainwater that can be trapped between given elevations in an array.

    • Iterate through the array and calculate the maximum height on the left and right of each bar.

    • Calculate the amount of water that can be trapped at each bar by taking the minimum of the maximum heights on the left and right.

    • Sum up the trapped water at each bar to get the total trapped water for the entire array.

  • Answered by AI
  • Q3. 

    Rotting Oranges Problem Statement

    You are given a grid containing oranges where each cell of the grid can contain one of the three integer values:

    • 0 - representing an empty cell
    • 1 - representing a fre...
  • Ans. 

    Find the minimum time required to rot all fresh oranges adjacent to rotten oranges.

    • Create a queue to store the coordinates of rotten oranges and perform BFS to rot adjacent fresh oranges.

    • Track the time taken to rot all fresh oranges and return -1 if not all fresh oranges can be rotten.

    • Update the grid with the new state of oranges after each second.

    • Handle edge cases such as empty grid or no fresh oranges present.

    • Example...

  • Answered by AI
Round 2 - Face to Face 

(3 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

This was a standard DS/Algo round where I was given 2 questions to solve under 60 minutes. I was able to come up with the optimal approach for both the questions and then at the end of the interview I was also asked the famous Die Hard Water Puzzle.

  • Q1. 

    Queue Using Stacks Implementation

    Design a queue data structure following the FIFO (First In First Out) principle using only stack instances.

    Explanation:

    Your task is to complete predefined functions t...

  • Ans. 

    Implement a queue using stacks following FIFO principle.

    • Use two stacks to simulate a queue.

    • For enQueue operation, push elements onto stack1.

    • For deQueue operation, if stack2 is empty, pop all elements from stack1 and push onto stack2, then pop from stack2.

    • For peek operation, if stack2 is empty, pop all elements from stack1 and push onto stack2, then return top of stack2.

    • For isEmpty operation, check if both stack1 and st...

  • Answered by AI
  • Q2. 

    Merge Intervals Problem Statement

    You are provided with 'N' intervals, each containing two integers denoting the start time and end time of the interval.

    Your task is to merge all overlapping intervals a...

  • Ans. 

    Merge overlapping intervals and return sorted list of merged intervals by start time.

    • Sort the intervals based on start time.

    • Iterate through intervals and merge overlapping ones.

    • Return the merged intervals in sorted order.

  • Answered by AI
  • Q3. You have a 3-liter jar and a 5-liter jar. How can you measure exactly 4 liters using these two jars?
Round 3 - Face to Face 

(4 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

This round had 2 coding questions - first one related to Binary Tree and the second one was a simple question from Bit Manipulation. This was followed by some questions from OOPS.

  • Q1. 

    Binary Tree Diameter Problem Statement

    You are given a Binary Tree, and you need to determine the length of the diameter of the tree.

    The diameter of a binary tree is the length of the longest path betwe...

  • Ans. 

    The task is to find the diameter of a binary tree, which is the length of the longest path between any two end nodes in the tree.

    • Traverse the tree to find the longest path between two nodes.

    • Keep track of the maximum diameter found during traversal.

    • The diameter may not necessarily pass through the root node.

    • Consider both left and right subtrees while calculating the diameter.

    • Example: For input 1 2 3 4 -1 5 6 -1 7 -1 -1

  • Answered by AI
  • Q2. 

    Power of 2 Problem Statement

    Determine if it is possible to reorder the digits of a given integer 'N' such that the resulting number is a power of two. The leading digit must not be zero.

    Input:

    The fir...
  • Ans. 

    The problem involves determining if it is possible to reorder the digits of a given integer to form a power of 2.

    • Iterate through all possible permutations of the digits of the given integer.

    • Check if any of the permutations form a power of 2.

    • Return 1 if a valid permutation is found, else return 0.

  • Answered by AI
  • Q3. What are some advantages of using Object-Oriented Programming (OOP)?
  • Ans. 

    Advantages of OOP include code reusability, modularity, and easier maintenance.

    • Code reusability: Objects can be reused in different parts of the program, reducing redundancy.

    • Modularity: OOP allows for breaking down complex problems into smaller, more manageable parts.

    • Easier maintenance: Changes to one part of the codebase do not necessarily affect other parts, making maintenance easier.

    • Encapsulation: Data hiding and ab...

  • Answered by AI
  • Q4. What are access specifiers and what is their significance in Object-Oriented Programming?
  • Ans. 

    Access specifiers define the level of access to class members in Object-Oriented Programming.

    • Access specifiers include public, private, protected, and default

    • Public members are accessible from outside the class

    • Private members are only accessible within the class

    • Protected members are accessible within the class and its subclasses

    • Default access is when no access specifier is specified

  • Answered by AI
Round 4 - HR 

(1 Question)

Round duration - 30 Minutes
Round difficulty - Easy

This was my last round and I hoped it to go good just like the other rounds. The interviewer was very straight to point
and professional. The interview lasted for 30 minutes.

  • Q1. Why should we hire you?

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAPracto interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, DBMS, OS, Aptitude, OOPSTime required to prepare for the interview - 4 MonthsInterview preparation tips for other job seekers

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.

Application resume tips for other job seekers

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.

Final outcome of the interviewSelected

Skills evaluated in this interview

I was interviewed in Jul 2017.

Interview Questionnaire 

3 Questions

  • Q1. Are You a Fresher? If not tell about your past working experience?
  • Ans. 

    Yes, I am a fresher with no past working experience.

    • I am a recent graduate looking to gain experience in the field.

    • I have completed internships or projects during my studies.

    • I am eager to learn and grow in a professional environment.

  • Answered by AI
  • Q2. What was your work profile in your past internship?
  • Ans. 

    I was responsible for conducting market research, creating social media content, and assisting with event planning.

    • Conducted market research to identify trends and opportunities

    • Created engaging social media content to increase brand awareness

    • Assisted in planning and executing events to promote company products/services

  • Answered by AI
  • Q3. Introduce yourself ?
  • Ans. 

    I am a recent graduate with a degree in Computer Science and a passion for coding and problem-solving.

    • Recent graduate with a degree in Computer Science

    • Passionate about coding and problem-solving

    • Strong communication and teamwork skills

    • Experience with programming languages such as Java, Python, and C++

  • Answered by AI

Interview Preparation Tips

Round: Resume Shortlist
Experience: Hi, i applied from naukri.com for internship in AmbitionBox.com..They checked my entire CV and checked about my eligibility criteria and then I got a mail stating .My resume has been shortlisted and i would get a call from Hr for the further steps.
Tips: Make your CV properly .

Round: HR Interview
Experience: In this round HR asked me about my working profile in my past internship..and about my likes ,dislikes and my skills and preffered working area.
Tips: Be cool ,be confident and be clear and interactive.

Round: Test
Experience: I was asked to read out my article...about the topic i chose to write..it can be any topic technical or political or anything ..i chose Movie reviews
Tips: write about the topic you know in details about. Be quick ,be clear
Duration: 10 minutes
Total Questions: -3

Round: Group Activity
Experience: In this round ,i was asked to prepare a presentation..about any topic you know in details about and share some news ideas
Tips: Be expressive and loud

Skills: Inter Person Communication Skills, Writing Skills, General Awareness, Self-Awareness
College Name: Babu Banarasi Das National Institute Of Technology And Management (BBDNITM)

Interview Preparation Tips

Round: Resume Shortlist
Experience: abt my work profile

General Tips: Be confident,be determined
Skills: Communication, Body Language, Problem Solving

I applied via Approached by Company and was interviewed in Jul 2017. There were 5 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. They call us for a face to face interview initially they interviewed about my personal intrest,hobbies

Interview Preparation Tips

Round: Resume Shortlist
Experience: On the basis of my profile at naukri.com

Round: Test
Experience: presentation round

General Tips: Be confident ,attentive and focussed.
Skills: Communication, Body Language, Leadership, Presentation Skills, Decision Making Skills
Duration: <1 week

I applied via Other and was interviewed in Jan 2018. There were 5 interview rounds.

Interview Preparation Tips

General Tips: The interview process lasted for 2 hours. I was given an hour for the test and the interviewer made sure that the interviewee felt at ease giving the interview. The interviewer went through my resume and held a discussion on my projects and the course I'm pursuing.
They look for your analytical, problem solving, decision making skills.
In the end everyone gave their best wishes, I thanked everyone and left the room.
Skills: Analytical Skills, Time Management, Decision Making Skills
Duration: <1 week

Intern Interview Questions & Answers

AmbitionBox user image Akshay Sharma

posted on 24 Jan 2018

I applied via Other and was interviewed in Jan 2018. There were 5 interview rounds.

Interview Preparation Tips

General Tips: Interview was lasted for about 2 hours.I was given an hour for the test,they tested my problem solving, analytical ,decision making skills. The interviewer asked question related to my area and in the end wished me best of luck.
Skills: Communication
Duration: <1 week

I was interviewed before May 2016.

Interview Preparation Tips

Round: Resume Shortlist
Experience: I applied for an internship in your company through internshala.com . I got an email telling me that I was shortlisted it and now I have to fill this in order to move to the next round

I was interviewed in Jul 2017.

Interview Questionnaire 

1 Question

  • Q1. The first question was to introduce yourself and if have a past working experience then what was your profile in past internship?

Interview Preparation Tips

Round: Resume Shortlist
Experience: Hi, i applied from naukri.com for an internship in Ambition box and i got a mail that my resume got shortlisted and i have to revert them with my availability for an internship
Tips: always check your mail on time so that u don't miss it

Round: HR Interview
Experience: In the HR round u i was asked about my experience and learning about my previous internship and what do i know about digital marketing because that was my interest area.
Tips: Be confident and precise in your answers

Round: Test
Experience: i was asked to write about any topic in 15 minutes just to evaluate my writing skills and my idea of writing.
Tips: Be creative,quick and natural
Duration: 10 minutes
Total Questions: -3

Round: Group Activity
Experience: we have to present about in topic in front it can b any political or technical topic.so i present a technical topic
Tips: be confident,expressive and clear

Skills: Communication And Confidence, General Awareness, Inter Person Communication Skills, Interaction Skills
College Name: Babu Banarasi Das National Institute Of Technology And Management (BBDNITM)

Interview Questionnaire 

8 Questions

  • Q1. Implement queue with the help of two stacks
  • Ans. 

    Queue can be implemented using two stacks by maintaining the order of elements in the stacks.

    • Create two stacks, let's call them stack1 and stack2

    • When an element is enqueued, push it to stack1

    • When an element is dequeued, pop all elements from stack1 and push them to stack2

    • Pop the top element from stack2 and return it as the dequeued element

    • If stack2 is empty, repeat step 3

    • To get the front element of the queue, peek the

  • Answered by AI
  • Q2. Iven a table “student” of with columns Name and Marks. You have to write a SQL query to get the 2nd highest marks from the table. Also write a query to find the nth highest marks, where n can be any number
  • Q3. What is left join. Give example. And Full outer join?
  • Ans. 

    Left join returns all records from left table and matching records from right table. Full outer join returns all records from both tables.

    • Left join is used to combine two tables based on a common column.

    • In left join, all records from the left table are returned along with matching records from the right table.

    • If there is no match in the right table, NULL values are returned.

    • Example: SELECT * FROM table1 LEFT JOIN table...

  • Answered by AI
  • Q4. What is magic functions and autoloading in PHP?
  • Ans. 

    Magic functions are special methods in PHP that start with __. Autoloading is a way to automatically load classes.

    • Magic functions are used to handle certain events in PHP, such as object creation or property access.

    • Autoloading allows PHP to automatically load classes when they are needed, without requiring manual includes.

    • Magic functions can be used in conjunction with autoloading to dynamically load classes or handle

  • Answered by AI
  • Q5. Given three arrays sorted in non-decreasing order, print all common elements in these arrays. Examples: ar1[] = {1, 5, 10, 20, 40, 80} ar2[] = {6, 7, 20, 80, 100} ar3[] = {3, 4, 15, 20, 30, 70, 80, 120} Ou...
  • Ans. 

    Given three sorted arrays, find common elements.

    • Create three pointers to traverse each array

    • Compare the elements at the pointers and move the pointer of the smallest element

    • If all pointers point to the same element, add it to the result and move all pointers

    • Repeat until any pointer reaches the end of its array

  • Answered by AI
  • Q6. A puzzle. You will be given with a 3 Litre container & a 7 Litre Container. Measure exactly 5 Litres of water
  • Q7. Asked about one of my projects I mentioned in my resume?
  • Q8. Find if a number is a power of 2 or not?
  • Ans. 

    Check if a number is a power of 2 or not.

    • A power of 2 has only one bit set in its binary representation.

    • Use bitwise AND operator to check if the number is a power of 2.

    • If n is a power of 2, then n & (n-1) will be 0.

  • Answered by AI

Interview Preparation Tips

Skills: Data structures, PHP, Algortihm
College Name: na
Motivation: Overall it was a very good experience. They test you from every aspect. In the End I would like to say that Practo is one of the best companies to work for.

Skills evaluated in this interview

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