Tydy Interview Questions and Answers

Standard Aptitude topics, 30 mins - 30 questions

Q1. Case Study for how to design a data Lake ? standard questions - tell me about yourself, why us
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Q2. Case Study for how to design a chess game
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5 DSA Questions 2 Easy, 2Medium, 1 Hard, hackerrank

Q1. 3 DSA question were asked of medium level
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Q2. Largest vertical rectangle in array
Ans. 
Find the largest vertical rectangle in an array of strings
• Iterate through each column in the array

• For each column, find the consecutive vertical rectangles of '1's

• Calculate the area of each rectangle and keep track of the largest one
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Q1. 1 DSA and around OS, DBMS, Resume
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Q1. Around projects, Multithreading, LLD, HLD
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Hackerearth platform was provided , Question was based on Tree dsa. Need to run and pass few test cases.

Design patterns , chess LLD

Design blocking queue which can handle the multithreading scenario

Q1. Last project experiences
Ans. 
Developed a web application for tracking inventory and sales data
• Used React for front-end development

• Implemented RESTful APIs using Node.js and Express

• Utilized MongoDB for database management
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Q2. And management cases.
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Q3. Discussion about recent projects
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Q4. Discussion about working in projects for which hiring for
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Q5. Discussion about why leaving previous company.
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Questions based or percentage, profit loss, ratio

Q1. Explain about stacks
Ans. 
Stacks are a data structure that follows the Last In First Out (LIFO) principle.
• Elements are added and removed from the top of the stack

• Common operations include push (add element) and pop (remove element)

• Stacks can be implemented using arrays or linked lists

• Examples of stack usage include function call stack and undo/redo functionality in text editors
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Q2. To find middle number in the linked list
Ans. 
To find the middle number in a linked list.
• Traverse the linked list using two pointers, one moving twice as fast as the other.

• When the fast pointer reaches the end, the slow pointer will be at the middle node.

• If the linked list has even number of nodes, there will be two middle nodes. Return either one.
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Q1. Introduction , hobbies, goals
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Q2. Strength, weakness, short term and long term goals
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Q1. About academic project
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Q2. About language used in my project
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Q1. Write a program to check if string is a anagram
Ans. 
Program to check if a string is an anagram
• Create a function that takes in two strings as input

• Remove all spaces and convert both strings to lowercase

• Sort both strings and compare if they are equal to determine if they are anagrams
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Q2. What is react lifecycle method
Ans. 
React lifecycle methods are special methods that are automatically called by React at specific points in a component's life cycle.
• React components have several lifecycle methods such as componentDidMount, componentDidUpdate, componentWillUnmount, etc.

• These methods allow developers to perform actions at specific points in a component's life cycle, such as fetching data, updating the UI, or cleaning up resources.

• Understa...read more
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Create a web app to perform cred operation

Q1. SQL Based advanced question
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Q2. Advanced SQL questions with Joins, Window Functions, etc
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General aptitude questions

Abstract topic group discussion

Q1. Technical interview covering topics on oops , data structures , conditional statements.
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Q1. General questions- introduction , how previous rounds went ,hobbies , what do you know about our company , situation based questions.
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Few questions that would involve problem solving. Basic 10th std math would suffice

Had few DSA questions.

Q1. Technical interview
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Q1. About job, expection etc
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