QPe India Interview Questions and Answers

Q1. Promises in javascript
Ans. 
Promises in JavaScript are objects representing the eventual completion or failure of an asynchronous operation.
• Promises are used to handle asynchronous operations in JavaScript.

• They can be in one of three states: pending, fulfilled, or rejected.

• Promises can be chained using .then() to handle success and .catch() to handle errors.
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Q1. Resume based questions
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Q2. Event loop in nodejs
Ans. 
Event loop in Node.js manages asynchronous operations by executing callback functions when certain events occur.
• Event loop is responsible for handling I/O operations, timers, and callbacks in Node.js

• It allows Node.js to perform non-blocking operations efficiently

• Event loop continuously checks the event queue for new events to execute
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Q3. Javascript es6 questions
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Basic aptitude test

Javascript and react js

Q1. Related to relevant skill set
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Q1. Related to past experience
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Q1. Questions asked based on spring framework and oops concepts
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Q1. Technical questions asked on current project
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Q1. Family Background questions
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Divisibility, LCM, HCF.
Numbers, Decimals, Fractions, Powers.
Profit, Loss.
Simple interest and Compound interest.
Speed, Distance, Time.
Work and wages.
Trains, Boats, Streams-upstream/downstream, Circular track questions.
Cistern and pipes.

Coding interviews test candidates' technical knowledge, coding ability, problem solving skills, and creativity, typically on a whiteboard.

Choose a topic based on the assignment.
2 Conduct research.
3 Write a thesis statement

20 questions aptitude

Q1. DSA question to sort the array
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Q2. Coding question to print all the prime numbers form 0 to n
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60 Minute Duration on 3 topics, including logical, oop and mathematical