Dunzo Senior Research Scientist II Interview Questions and Answers

How to maintain control spillage

Q1. Details explantion of f&v stages
Ans. 
F&V stages refer to the different stages of fruits and vegetables from harvesting to consumption.
• The first stage is harvesting, where the produce is picked from the plant.

• The second stage is grading, where the produce is sorted based on quality and size.

• The third stage is packaging, where the produce is packed for transportation and storage.

• The fourth stage is transportation, where the produce is transported to the mar...read more
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Q1. What are your strengths and weaknesses?
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Q2. Why should we hire you?
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Q3. Why are you looking for a change?
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Q4. Where do you see yourself in 5 years?
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Q5. Tell me about yourself.
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Q6. Excel formulas and mail body test
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Round duration - 90 mintues
Round difficulty - Easy

Nice environment everything went good.

Q1. 
Sum of LCM Problem Statement
Given an integer 'N', calculate and print the sum of the least common multiples (LCM) for each integer from 1 to N with N.
The sum is represented as:
LCM(1, N) + LCM(2, N) + ....read more
Ans. 
Calculate and print the sum of least common multiples (LCM) for each integer from 1 to N with N.
• Iterate from 1 to N and calculate LCM of each pair with N

• Sum up all the calculated LCMs to get the final result

• Implement a function to calculate LCM of two numbers
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Q2. 
Vertical Order Traversal Problem Statement
Given a binary tree, return the vertical order traversal of the values of the nodes in the tree.
In a vertical order traversal, for each node at position (X, Y)...read more
Ans. 
Vertical order traversal of binary tree is obtained by running a vertical line from -∞ to +∞ and adding node values in top to bottom order, sorted by decreasing Y coordinates.
• Implement a function to perform vertical order traversal of a binary tree

• Maintain a map to store nodes at each vertical level

• Sort the nodes at each level by their Y coordinates in decreasing order

• Handle cases where two nodes share the same positio
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Round duration - 90 minutes
Round difficulty - Hard

It was a tough round focus on the key concepts

Q1. 
Stack with getMin Operation
Create a stack data structure that supports not only the usual push and pop operations but also getMin(), which retrieves the minimum element, all in O(1) time complexity witho...read more
Ans. 
Implement a stack with getMin operation in O(1) time complexity without using extra space.
• Use two stacks - one to store the actual elements and another to store the minimum values encountered so far.

• When pushing an element, check if it is smaller than the current minimum and if so, push it onto the minimum stack.

• When popping an element, check if it is the current minimum and if so, pop from the minimum stack as well.

• Fo...read more
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Q1. Operation past details
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Q2. Situation regarding operation
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Q3. Management skills
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Q1. What is retail experience
Ans. 
Retail experience refers to the knowledge and skills gained from working in a retail environment.
• Understanding customer needs and preferences

• Managing inventory and stock levels

• Providing excellent customer service

• Handling cash and processing transactions

• Visual merchandising and store layout

• Sales and marketing strategies

• Team management and leadership

• Examples: working as a sales associate, cashier, assistant manager, or s
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Q1. How can you hire more delivery patners
Ans. 
To hire more delivery partners, we can use social media platforms, job portals, and referral programs.
• Create a social media campaign to attract potential candidates

• Post job openings on popular job portals like Indeed and Glassdoor

• Offer referral bonuses to current employees who bring in new delivery partners

• Partner with local schools or community organizations to recruit students or part-time workers

• Provide competitive ...read more
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