RapiPay Interview Questions, Process, and Tips

Q1. Experience in sales
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Q2. Business discussion
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Q1. Sales experience
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Q2. Company business discussion
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Q3. Company product discussion
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It was of 3 hours including coding questions as well as computer science fundamentals

Q1. Questions about the project that i made
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Q2. Find the subsets with sum K from array having duplicates
Ans. 
Find subsets with sum K from array with duplicates
• Use backtracking to generate all possible subsets

• Keep track of the sum of each subset as you generate them

• Check if the sum of a subset is equal to K and add it to the result
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Q1. Mostly around resume
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Q1. Resume walkthrough and a coding question(leetcode easy)
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Q1. Cultural Fitment round
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Q1. Explain your role and responsibilities in the projects you have done so far.
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Q2. How to setup node js server
Ans. 
To setup a Node.js server, you need to install Node.js, create a server file, write code to create a server, and run the server.
• Install Node.js on your machine

• Create a server file (e.g. server.js)

• Write code to create a server using the 'http' module

• Run the server using the command 'node server.js'
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Q3. Explain other methods of sorting with example other than inbuilt function
Ans. 
Other methods of sorting include bubble sort, selection sort, and insertion sort.
• Bubble sort: repeatedly steps through the list, compares adjacent elements, and swaps them if they are in the wrong order.

• Selection sort: repeatedly finds the minimum element from the unsorted part of the array and swaps it with the first unsorted element.

• Insertion sort: builds the final sorted array one item at a time by inserting each el
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Q4. What is promise, how to implement it
Ans. 
A promise is an object representing the eventual completion or failure of an asynchronous operation.
• Promises are used to handle asynchronous operations in JavaScript.

• They can be created using the Promise constructor.

• Promises have three states: pending, fulfilled, or rejected.

• They can be chained using .then() and .catch() methods.

• Example: const myPromise = new Promise((resolve, reject) => { ... });
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