Razorpay Junior Analyst Interview Questions and Answers

Topics were, DSA, SQL, PL/SQL, Data Augmentation

Customer churn classification using a classification ML model

Q1. Write a pseudo code for Bubble sort
Ans. 
Bubble sort is a simple sorting algorithm that repeatedly steps through the list, compares adjacent elements, and swaps them if they are in the wrong order.
• Start with the first element and compare it with the next element, swapping if necessary

• Repeat this process for each pair of adjacent elements in the array until the entire array is sorted

• Continue this process for each element in the array until no more swaps are ne
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Q2. What is an API
Ans. 
An API (Application Programming Interface) is a set of rules and protocols that allows different software applications to communicate with each other.
• APIs define the methods for requesting and receiving data between software applications

• APIs can be used to access data from external sources, such as social media platforms or weather services

• Examples of APIs include the Twitter API, Google Maps API, and Spotify API
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Q1. Tell me about yourself
Ans. 
I am a data analyst with a strong background in statistics and data visualization.
• Graduated with a degree in Statistics

• Proficient in programming languages like Python and R

• Experience in analyzing large datasets and creating data visualizations

• Strong problem-solving skills and attention to detail
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Q2. Salaray compensation how much
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Sql and aptitude questions

Q1. Question from resume amd project
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Q2. Some questions on sql
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Q1. SQL Joins and remove duplicates
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Q2. Function to create a transaction bin column
Ans. 
Create a function to generate a transaction bin column based on transaction amounts.
• Create bins based on transaction amounts (e.g. $0-$100, $101-$200, etc.)

• Use pandas cut() function in Python to create bins

• Assign bin labels to the transactions based on the bin ranges
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Q1. About resume work exp
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Q1. Basic questions about resume
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Q1. Workplace adjustment questions
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Q2. Are you willing to work extra hours
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Q1. Basic SQL and excel question.
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Q2. Questions about google data studio
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