Aerchain SDE Interview Questions and Answers

Core HTML, CSS and JS

JS deep dive and react

Q1. Mimic Promise.all, Array.flat, OTP Component etc
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Q1. Languages known
Ans. 
I am fluent in English, Spanish, and French.
• English

• Spanish

• French
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Problem solving approach check

Q1. Case study and problem solving
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Q2. Root cause Analysis
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Q1. How to calculate requirement of Banana is a city like Mumbai
Ans. 
The requirement of bananas in a city like Mumbai can be calculated based on population, consumption habits, and availability.
• Calculate the population of Mumbai

• Estimate the average consumption of bananas per person

• Consider factors like tourism and events that may increase demand

• Take into account the availability of bananas from local markets and imports
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Q2. How to know , difference between a good or bad retailer
Ans. 
A good retailer focuses on customer satisfaction, product quality, and efficient operations.
• Good retailers prioritize customer satisfaction by providing excellent customer service and addressing customer needs.

• Good retailers offer high-quality products that meet customer expectations.

• Good retailers have efficient operations, including inventory management, supply chain logistics, and streamlined processes.

• Bad retailers...read more
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Q3. Simple SQL questions
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Q1. Tell me about yourself?
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Q2. Why are you the right fit for this role?
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Basic excel problem, and pyhton, and sql

Q1. Basic interview questions over resume
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Q1. Basic hr questions over salary and why do you wanna work with us
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Q1. What is sql, what is key word, tell me something about pandas and numpy, hangman puzzle
Ans. 
SQL is a programming language used for managing and manipulating relational databases. Keywords are reserved words in SQL.
• SQL is used to retrieve, insert, update, and delete data from databases

• Keywords in SQL are reserved words that have a specific meaning and cannot be used as identifiers

• Pandas is a Python library used for data manipulation and analysis

• NumPy is a Python library used for numerical computing and array o...read more
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It was good. 1 hr duration

Q1. The questions were asked one on one
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Q1. Normal hr questions were asked
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