Sri Balaji Society Interview Questions and Answers

Q1. Difference between useMemo and useCallback ?
Ans. 
useMemo is used to memoize a value, while useCallback is used to memoize a function.
• useMemo is used to memoize a computed value and recompute it only when its dependencies change.

• useCallback is used to memoize a callback function and prevent unnecessary re-renders.

• Example: useMemo can be used to memoize the result of a complex computation, while useCallback can be used to memoize an event handler function.
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Q2. How we do error handling in js ?
Ans. 
Error handling in JavaScript involves using try-catch blocks, throwing errors, and using error objects.
• Use try-catch blocks to catch errors and handle them gracefully

• Throw errors using the throw keyword to indicate when something goes wrong

• Use error objects like Error, SyntaxError, TypeError, etc. to provide more information about the error

• Handle asynchronous errors using promises and the .catch() method
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Q3. What is Promises ? Write a Polyfill of Promise.all()
Ans. 
Promises are objects representing the eventual completion or failure of an asynchronous operation.
• Promises are used to handle asynchronous operations in JavaScript.

• Promise.all() takes an array of promises and returns a single promise that resolves when all of the input promises have resolved.

• A polyfill for Promise.all() can be implemented using a combination of Promise and Array.prototype.reduce().
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Frontend assignment make the CRUD application using of reactj.s

Written Test of 1 hour

Q1. TDS section and filling
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Q2. Procure to payment process
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Q3. Full processing of payment
Ans. 
Full processing of payment involves receiving, verifying, and completing a financial transaction.
• Receive payment information from customer

• Verify payment details for accuracy

• Process payment through appropriate channels

• Confirm payment completion with customer

• Record payment transaction for documentation
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Written Test of one and half hour

Q1. Your experience in previous organisation
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Q2. How you will work in our team
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Q1. Sales experience
Ans. 
I have 3 years of sales experience in a previous role, where I successfully met and exceeded sales targets.
• Demonstrate ability to build relationships with clients

• Highlight experience in meeting and exceeding sales targets

• Discuss any specific sales strategies or techniques used
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Q2. Edtech experience
Ans. 
I have extensive experience with various educational technologies, including online learning platforms and interactive whiteboards.
• Implemented online learning platforms to enhance student engagement

• Utilized interactive whiteboards for interactive lessons

• Trained teachers on how to effectively integrate technology into their curriculum
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Q3. What's your highest education
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Q4. What are your dreams and goals
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Q5. Where do you see yourself in another 5 years
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Q1. Why I want to become a tutor
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Q2. About work flexibility
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Q1. About my work experience
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Q1. How do you manage your student
Ans. 
I manage my students by setting clear expectations, providing support, giving timely feedback, and fostering a positive learning environment.
• Set clear expectations for assignments, deadlines, and behavior

• Provide support through office hours, resources, and extra help sessions

• Give timely feedback on assignments and assessments to guide student progress

• Foster a positive learning environment by encouraging participation a...read more
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Q2. Is a student ask you some question out of the syllabus, how you handle this situation
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Find largest element

Q1. Introduce yourself and research paper publications Details
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Q1. About your profession and work experience
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Previous case histories dealt by you

Previous experiences

Q1. All hr questions
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