T-Series Interview Questions and Answers

Q1. Merge 2 sorted Arrays
Ans. 
Merging two sorted arrays into a single sorted array
• Create a new array to store the merged result

• Use two pointers to iterate through both arrays and compare elements

• Add the smaller element to the new array and move the pointer for that array
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Q2. Write polyfill for getElementById
Ans. 
Polyfill for getElementById function in JavaScript
• Create a function named getElementById

• Check if the function already exists, if not, create it

• Use document.querySelector to select the element by ID

• Return the selected element
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Q3. What are the new features in React 18 ? Optimisation techinques in React ? Concurrency in React ?
Ans. 
React 18 introduces new features like automatic batching, start transition, and streaming server renderer. It also focuses on performance optimizations and concurrent rendering.
• New features in React 18 include automatic batching, start transition, and streaming server renderer.

• Optimization techniques in React 18 involve concurrent rendering, improved scheduling, and reduced re-renders.

• Concurrency in React 18 allows for...read more
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Q1. HLD round to develop Autocomplete feature End to End with API contracts and architecture.
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Q2. Remove duplicate characters from a sentence
Ans. 
Remove duplicate characters from a sentence
• Create an empty array to store unique characters

• Iterate through each character in the sentence

• Check if the character is already in the array, if not add it
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Q1. Explain oracle Archit
Ans. 
Oracle architecture is a multi-tiered system with components like client, server, and database.
• Oracle architecture consists of client, server, and database components.

• The client communicates with the server to access the database.

• The server processes the client's requests and interacts with the database.

• The database stores and manages the data.

• Oracle architecture is designed to be scalable and secure.
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Q2. About pacting the database
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Q1. Two Pointer Technique question to get the highest sum from two sorted list by jumping from one list to another list on common element.
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Q2. Combine two sorted array such as first element would be the lowest element and second would be the largest element as so on.
Ans. 
Merge two sorted arrays with alternating lowest and highest elements.
• Create a new array to store the result

• Use two pointers to iterate through the two input arrays

• Alternate between adding the lowest and highest elements to the result array
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Q1. Design SplitWise
Ans. 
SplitWise is a platform for splitting expenses among friends or groups.
• Allow users to create groups and add expenses

• Calculate each user's share of the expenses

• Send notifications to users for pending payments

• Support multiple currencies for international groups
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Q1. Design API Rate Limiter
Ans. 
Design API Rate Limiter to control the number of requests a user can make within a specific time frame.
• Implement a token bucket algorithm to track and limit the number of requests per user.

• Use a sliding window to track the time frame for request limits.

• Consider using a distributed cache like Redis to store and manage request limits.

• Provide appropriate error responses when the rate limit is exceeded.

• Allow for customizat...read more
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Basic aptitude test with LR questions

Q1. About what you do, your past experince and portfolio
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Design assignment for their app.

Q1. Questions around submitted assignment
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Q1. Final round with design head.
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Q1. Cultural round questio. Situation based questions.
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They conduct an online aptitude test where they give you situations and you need to right emails to client. Test you on your English, data interpretation etc

Q1. Tell me about yourself.
Ans. 
Experienced Accounts Manager with a strong background in financial analysis and budgeting.
• Over 5 years of experience in managing accounts for various companies

• Skilled in financial analysis, budgeting, and forecasting

• Strong attention to detail and ability to identify financial discrepancies

• Proficient in using accounting software such as QuickBooks and SAP

• Led a team to successfully implement cost-saving measures, resulti
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Q2. Why deluxe? What made you to join.
Ans. 
I joined Deluxe because of its reputation for excellence in the industry and the opportunity for growth and development.
• Deluxe has a strong reputation for providing high-quality services in the industry.

• I was attracted to the opportunity for growth and development within the company.

• The company's values and culture align with my own professional goals and values.
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Q1. What is your salary expectation.
Ans. 
My salary expectation is competitive and based on my experience, skills, and the responsibilities of the role.
• Research industry standards and average salaries for similar positions

• Consider cost of living in the area where the job is located

• Factor in benefits, bonuses, and potential for growth within the company

• Be prepared to negotiate based on the overall compensation package offered
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Q2. Why do you want to join us.
Ans. 
I am excited about the opportunity to contribute my skills and experience to a dynamic and growing company like yours.
• I am impressed by your company's reputation and success in the industry.

• I believe my background in accounts management aligns well with the goals of your organization.

• I am looking for a new challenge and believe that this role will provide me with the opportunity to grow and develop professionally.
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Basic aptitutde test including maths and gk

Q1. Tell me about yourself
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Q2. Why non tech profile despite being from tech background?
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Q3. How much would you rate yourself on excel out of 10?
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Q4. What are your hobbies?
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Q5. What software apart from excel do you know which may help you perform your duties better at this job?
Ans. 
Apart from Excel, I am familiar with software like Jira, Trello, and Asana which can help in project management and task tracking.
• Jira - for project management and issue tracking

• Trello - for task management and collaboration

• Asana - for project planning and team communication
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Q1. Easy DSA questions 1-2, Array Strings
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Q2. IOS Questions, Easy to Medium
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Q1. DSA 1-2 Questions Easy
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Q2. Medium ios topics including cacheing, life cycle
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Q1. Behaviour based questions
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Q2. STAR methodology related questions
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