FoodPanda Intern (Finance Department) Interview Questions and Answers

Logic reasoning aptitude quant os dbms cn

Arrays, strings, linked list

Q1. Explain ur projects and internships
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Q2. Technical questions related to domain
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Q1. Tell me something about yourself
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Q2. How well are you able to handle data
Ans. 
I am highly skilled in handling data and have extensive experience in data analysis and management.
• Proficient in data collection, cleaning, and organization

• Strong analytical skills to interpret and draw insights from data

• Experience with various data analysis tools and software

• Ability to create data visualizations and reports

• Knowledge of data privacy and security measures

• Experience in handling large datasets and perform...read more
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Q3. Are you comfortable travelling and meeting clients
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Time management and assigning yourself tasks with utmost priority

Q1. Sql only questions like joins and window functions
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Q2. Asked about joins and python knowledge
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Q3. Calculate rolling average for order amount for merchants
Ans. 
Calculate rolling average for order amount for merchants
• Calculate the average order amount for each merchant over a specific time period

• Update the average as new orders come in, dropping the oldest order amount from the calculation

• Example: Merchant A had orders of $100, $150, $200 in the last 3 days. Rolling average would be ($100 + $150 + $200) / 3 = $150
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SQL, Python, Case Studies, Window Functions

Round duration - 60 Minutes
Round difficulty - Medium

This round was purely based on Data Structures and Algorithms . One has to be fairly comfortable in solving Algorithmic problems to pass this round . Both the questions asked were quite common and luckily I had already prepared them from CodeStudio and LeetCode.

Q1. 
Binary Tree Traversals Problem Statement
Given a Binary Tree with 'N' nodes, where each node holds an integer value, your task is to compute the In-Order, Pre-Order, and Post-Order traversals of the binar...read more
Ans. 
Compute the In-Order, Pre-Order, and Post-Order traversals of a Binary Tree given in level-order format.
• Implement functions to perform In-Order, Pre-Order, and Post-Order traversals of a Binary Tree.

• Use level-order input to construct the Binary Tree.

• Traverse the Binary Tree recursively to generate the required traversals.

• Ensure proper handling of null nodes represented by -1 in the input.

• Return the three traversals as
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Q2. 
Reverse Linked List Problem Statement
Given a Singly Linked List of integers, your task is to reverse the Linked List by altering the links between the nodes.
Input:
The first line of input is an intege...read more
Ans. 
Reverse a singly linked list by altering the links between nodes.
• Iterate through the linked list and reverse the links between nodes

• Use three pointers to keep track of the current, previous, and next nodes

• Update the links between nodes to reverse the list

• Return the head of the reversed linked list
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Round duration - 45 Minutes
Round difficulty - Medium

This round basically tested some concepts from Data Structures and File Manipulation .

Q1. 
Intersection of Two Arrays Problem Statement
Given two arrays A and B with sizes N and M respectively, both sorted in non-decreasing order, determine their intersection.
The intersection of two arrays in...read more
Ans. 
The problem involves finding the intersection of two sorted arrays efficiently.
• Use two pointers to iterate through both arrays simultaneously.

• Compare elements at the pointers and move the pointers accordingly.

• Handle cases where elements are equal and update the intersection array.

• Return the intersection array as the result.
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My work experience and my knowledge