Turing Interview Questions and Answers

Q1. How many tennis ball will fit into a school bus?
Ans. 
The number of tennis balls that can fit into a school bus depends on the size of the bus and the size of the tennis balls.
• Calculate the volume of the school bus and the volume of a tennis ball to determine how many can fit

• Consider the packing efficiency of the tennis balls to account for empty space

• Assume a standard size for the school bus and tennis balls for easier calculation
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Q2. Previous company project explanation.
Ans. 
Led a project to streamline inventory management, reducing costs and improving efficiency through data analysis and process optimization.
• Conducted a thorough analysis of existing inventory processes to identify inefficiencies.

• Collaborated with cross-functional teams to gather requirements and define project scope.

• Implemented a new inventory tracking system that integrated with existing software.

• Utilized data visualizat...read more
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Q3. Reason to quit your job
Ans. 
I am seeking new challenges and opportunities for growth that my current role cannot provide.
• Desire for professional growth: I want to expand my skill set and take on more responsibilities.

• Limited career advancement: My current position has no clear path for promotion.

• Seeking a better work-life balance: My current job demands long hours that affect my personal life.

• Interest in a different industry: I am passionate abou...read more
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Medium DSA questions in python

Q1. Convert decimal number to binary representation
Ans. 
Convert decimal number to binary representation using division and remainder method.
• Start by dividing the decimal number by 2 and noting down the remainder.

• Continue dividing the quotient by 2 until the quotient is 0.

• The remainders obtained in reverse order will give the binary representation.
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Q2. Merge two sorted linked list and from scratch, create class of linked list then create method of generating linked list
Ans. 
Merge two sorted linked lists by creating a linked list class and method to generate linked lists from scratch.
• Create a Node class with data and next pointer

• Create a LinkedList class with methods to insert nodes and merge two lists

• Iterate through both lists and compare nodes to merge them in sorted order
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On Turing platform i had to give the test based on the skill that the job is looking for.

Q1. Questions on DSA- Graph Problem, Hashmap problem, Binary Tree problem
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Q2. Java Multithreading Code debug and questions
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Q1. Asked to write a program to check whether string is valid or not. String consists of only three kind of special characters "(), [], {}". We need to return true if all special characters are in correct for...read more
Ans. 
Check if a string of special characters is valid with correct pairing and nesting.
• Use a stack to track opening characters: '(', '[', '{'.

• For each closing character: ')', ']', '}', pop from the stack and check for a match.

• If the stack is empty at the end, the string is valid.

• Examples: Valid - '(){}[]', '{()[]}', '{{[()]}}'; Invalid - '{[](}}', '{], ()[}'
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Q2. What is useRef hook used for?
Ans. 
useRef hook is used to persist a mutable value across renders without causing a re-render.
• Used to store mutable values that do not trigger re-renders.

• Commonly used for accessing DOM elements or storing previous values.

• Does not cause a re-render when the value changes.
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Q3. What are the best practices to avoid rerenders and to improve performance
Ans. 
Use memoization, virtual DOM, and shouldComponentUpdate to avoid unnecessary rerenders and improve performance.
• Implement memoization to store the result of expensive function calls and avoid recalculating them.

• Use virtual DOM to efficiently update only the parts of the UI that have changed.

• Override shouldComponentUpdate to prevent unnecessary rerenders by comparing current and next props/state.
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Q4. What are callbacks, Promises, async await
Ans. 
Callbacks, Promises, async await are asynchronous programming concepts in JavaScript.
• Callbacks are functions passed as arguments to another function to be executed later.

• Promises are objects representing the eventual completion or failure of an asynchronous operation.

• async await is a syntax for writing asynchronous code that looks synchronous, making it easier to read and maintain.

• Example: Using a callback to handle th...read more
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Q1. Explain market research type
Ans. 
Market research types include primary research, secondary research, qualitative research, quantitative research, and exploratory research.
• Primary research involves collecting data directly from the source, such as surveys, interviews, and observations.

• Secondary research involves analyzing existing data sources, such as reports, articles, and databases.

• Qualitative research focuses on understanding attitudes, behaviors, ...read more
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Q2. Explain database type
Ans. 
Database type refers to the structure and organization of data within a database system.
• Database types include relational, NoSQL, object-oriented, and hierarchical databases.

• Relational databases store data in tables with rows and columns, using SQL for querying.

• NoSQL databases are non-relational and can store unstructured data, such as MongoDB or Cassandra.

• Object-oriented databases store data as objects, with attribute...read more
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Q3. Father daughter age questions
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Q1. Guestimate Question : How many people are there wearing spectacles in Delhi?
Ans. 
It is difficult to accurately estimate the number of people wearing spectacles in Delhi without specific data.
• Population of Delhi is around 20 million, so a rough estimate could be based on the global average of 25% of the population wearing spectacles.

• Factors such as age demographics, income levels, and access to healthcare facilities can also influence the number of people wearing spectacles.

• Survey data or market res...read more
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Q2. Guestimate Question : How many red lights are there in Bangalore?
Ans. 
It is impossible to accurately estimate the number of red lights in Bangalore without specific data.
• The number of red lights in a city can vary based on factors such as population density, traffic flow, and urban planning.

• One would need access to official records or data from the city's transportation department to make a more accurate estimation.

• Factors like new road constructions, traffic patterns, and signal upgrade...read more
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Q3. There is a square field of 10m×10m which is divided into 100 squared blocks. Each block can either contain wheat field or corn field. What is the maximum No. of corn field are possible in a such way than n...read more
Ans. 
The maximum number of corn fields possible in a 10m×10m square field without sharing edges is 25.
• The maximum number of corn fields is achieved by placing them in a diagonal pattern across the field.

• Each corn field will have 4 wheat fields surrounding it to ensure no two corn fields share an edge.

• The total number of corn fields possible in this arrangement is 25.
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Q4. Describe a situation where you have solved complex problem with limited source of information?
Ans. 
Solved a complex problem with limited information by breaking it down into smaller parts and conducting thorough research.
• Identified key components of the problem

• Conducted thorough research to gather relevant information

• Utilized critical thinking and problem-solving skills to connect the dots

• Consulted with experts or colleagues for additional insights

• Tested different solutions to find the most effective one
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Q5. How did you manage to validate the information when there was some conflictincting information presented to you ?
Ans. 
I cross-referenced the conflicting information with other reliable sources and consulted with relevant stakeholders to determine the accuracy.
• Cross-referenced conflicting information with other reliable sources

• Consulted with relevant stakeholders for clarification

• Analyzed the context and credibility of each source before making a decision
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