Doubtnut Interview Questions, Process, and Tips

Q1. What is a doubtnut?
Ans. 
Doubtnut is an online platform that provides instant solutions to math problems through video explanations.
• Online platform for instant math problem solutions

• Provides video explanations for better understanding

• Helps students with homework and exam preparation
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Q2. Self introduction
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Q3. I am Avi from Uttar Pradesh
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Q4. What are u doing?
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Q5. I am a student
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Q1. Tell me about yourself
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The written test included logical reasoning, basic maths, probability and PnC questions with 1 basic python pattern printing question.

Q1. Guesstimate - estimate the number of Zomato agents in Mumbai region.
Ans. 
There are approximately 500 Zomato agents in the Mumbai region.
• Assuming an average of 10 agents per square kilometer in Mumbai

• Mumbai has an area of approximately 603 square kilometers

• Therefore, there are approximately 6,030 agents in Mumbai

• Assuming Zomato has a market share of 8%, there are approximately 500 Zomato agents in Mumbai
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Q2. Basic CV questions on projects and internship experience.
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Q1. Root Cause Analysis - Amazon purchases are fallen down by 40%, share your approach.
Ans. 
To identify the root cause of 40% decrease in Amazon purchases, I would follow a structured approach.
• Collect data on the decrease in purchases and analyze trends

• Identify potential causes such as changes in pricing, product availability, or customer behavior

• Conduct interviews with customers and stakeholders to gather insights

• Use tools like fishbone diagrams or Pareto charts to narrow down potential causes

• Develop hypothe...read more
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Q2. What is R2 Score? Puzzle - Red ball, Blue ball
Ans. 
R2 Score is a statistical measure that represents the proportion of the variance in the dependent variable that is predictable from the independent variable.
• R2 Score is also known as the coefficient of determination.

• It ranges from 0 to 1, with 1 indicating a perfect fit between the predicted and actual values.

• It is commonly used in regression analysis to evaluate the performance of a model.

• A higher R2 Score indicates t...read more
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Q1. Business case study - The engagement time on our app is fallen down in past few weeks, how will you approach the problem. What could be the possible reasons for it.
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What is BST and it's types?

Tell me the count of string

Q1. 1- Tell me about yourself 2- previous company experience and resigning reason 3. About Doubtnut 4- About jee,neet 5- Call pitch
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Q2. About yourself, previous company experience if you have, about company, jee, neet, call pitch
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