Rarefield Engineers Interview Questions and Answers

Basic questions from quantitative and logical reasoning

Q1. Guesstimate question about number of ott subscribers all over India.
Ans. 
There are approximately 100 million OTT subscribers in India.
• Consider the total population of India (around 1.3 billion)

• Estimate the percentage of people using OTT platforms (around 30-40%)

• Calculate the number of OTT subscribers based on the percentage

• Example: 1.3 billion * 0.35 = 455 million OTT subscribers
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Q2. Logical question.
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Q3. How will you chech validity of a claim, online( research based question)
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Q4. Projects you did in graduation.
Ans. 
Developed a project on analyzing customer behavior using data analytics tools.
• Used Python for data collection and analysis

• Implemented machine learning algorithms for predictive modeling

• Created visualizations using Tableau for presenting insights
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Q5. What do you know about LLMs?
Ans. 
LLMs stand for Legal Entity Identifiers, unique codes used to identify legal entities involved in financial transactions.
• LLMs are unique 20-character alphanumeric codes used to identify legal entities participating in financial transactions.

• They were introduced as part of the global LEI system to improve transparency and reduce risks in financial markets.

• LLMs are required for reporting under regulations such as MiFID I...read more
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Q1. DP medium question C# Internals LLM technical writing
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Hard test dsa question practice more leetcode

Q1. Dsa question Array Powershell scripting Cpp Python
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Q1. Subject knowledge
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Q1. Salary negotiation
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Q1. Short Introduction
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Q2. Experience and salary
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Q1. Introduce yourself
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Q2. Mock call & product pitch
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Aptitude test was first round. it was hard level

Program on string, oops , exception handling

Q1. Coding questions was leecode replace 3 concurrent character in string until there is none
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Q2. You can google the answer
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Q1. Here also leetcode easy
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Q2. Easily solvable
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Q1. Coding question leetcode medium
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Q1. Coding question
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Q2. Leetcode medium
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Basic dsa questions , basic recursion questions of trees ,graphs and searching algorithms there are some mcq questions that too on dsa

They asked few sql and dsa questions like a open board test

Q1. Sort a vector according to other other vector ?
Ans. 
Sort a vector based on another vector
• Use std::sort with a custom comparator function

• The comparator function should compare the indices of the elements in the second vector

• The first vector should be sorted based on the order of the indices in the second vector
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Q2. String processing question where we need to process a string by using given instructions .
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