Matrix Partners Interview Questions and Answers

DSA medium level questions were asked.

Q1. Design MakeMyTrip kind of application.
Ans. 
MakeMyTrip is a travel booking application that allows users to book flights, hotels, and holiday packages.
• Include features like flight/hotel search, booking, payment gateway integration, and user profiles.

• Implement filters for search results, reviews/ratings for hotels, and notifications for booking updates.

• Integrate maps for location tracking, weather forecasts, and customer support chatbot.

• Offer discounts, loyalty p...read more
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Q2. Oops based questions.
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Social media Advantages & Dis advantages

Q1. Family background
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Q2. Self Introduction
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Q3. College experience
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Q4. Why U choose finance
Ans. 
I chose finance because of my passion for analyzing data, making informed decisions, and helping individuals and businesses achieve their financial goals.
• Passion for analyzing data and making informed decisions

• Interest in helping individuals and businesses achieve financial goals

• Enjoyment of working with numbers and problem-solving

• Opportunity for growth and advancement in the finance industry
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Q1. Tell me something about yourself
Ans. 
I am a dedicated and detail-oriented analyst with a strong background in data analysis and problem-solving.
• I have a Bachelor's degree in Statistics and have completed multiple data analysis projects during my studies.

• I am proficient in using statistical software such as R and Python for data analysis.

• I have experience in conducting market research and creating reports to help businesses make informed decisions.

• I am a q...read more
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Q2. Link between CF, P&L and BS
Ans. 
Cash flow, profit and loss, and balance sheet are interconnected financial statements that provide a comprehensive view of a company's financial health.
• Cash flow statement shows how changes in balance sheet and income statement affect cash and cash equivalents.

• Profit and loss statement shows the company's revenues, expenses, and profits over a specific period.

• Balance sheet provides a snapshot of a company's financial p...read more
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Basic quants, accounting and general ability

Q1. What is eps and diluted equity
Ans. 
EPS stands for earnings per share, which is a company's profit divided by the number of outstanding shares. Diluted equity refers to the total value of a company's shares if all potential shares were converted into common stock.
• EPS is calculated by dividing a company's net income by the number of outstanding shares.

• Diluted equity takes into account potential shares that could be converted into common stock, such as sto...read more
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Q2. What is enterprise value
Ans. 
Enterprise value is a measure of a company's total value, taking into account its market capitalization, debt, and cash.
• Enterprise value = Market capitalization + Total debt - Cash and cash equivalents

• It represents the total value of a company that would need to be paid by an acquirer in a takeover

• EV is used to compare companies with different capital structures or levels of debt

• It is a more comprehensive measure than
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Q1. Difference between fcff and fcfe
Ans. 
FCFF is the cash flow available to all providers of capital, while FCFE is the cash flow available to equity shareholders.
• FCFF includes debt and equity holders, while FCFE only includes equity holders.

• FCFF is used to value the firm as a whole, while FCFE is used to value equity.

• FCFF is calculated as EBIT(1-Tax Rate) + Depreciation - Capex - Change in Working Capital, while FCFE is calculated as FCFF - Interest(1-Tax Ra...read more
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Q2. Impairment of assets
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Q1. Related to Factiva news run and negative news
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Q2. Question related to CAPIQ
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Round duration - 90 minutes
Round difficulty - Easy

Consisted of 3 DSA questions and MCQ on python proficiency

Q1. 
Palindromic Substrings Problem Statement
Given a string S, your task is to return all distinct palindromic substrings of the given string in alphabetical order.
Explanation:
A string is considered a pal...read more
Ans. 
Return all distinct palindromic substrings of a given string in alphabetical order.
• Iterate through all possible substrings of the given string.

• Check if each substring is a palindrome by comparing it with its reverse.

• Store all palindromic substrings in a set to ensure uniqueness.

• Return the sorted list of palindromic substrings.
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Round duration - 60 minutes
Round difficulty - Medium

It was a pure DSA round and interviewer was very helpful with providing significant hints to solve the given problems

Q1. 
Island Perimeter Calculation Problem
Given a binary grid representation of a map of an island, calculate the perimeter of the island. The grid uses '0' for water and '1' for land.
The grid has only one i...read more
Ans. 
Calculate the perimeter of an island represented by a binary grid.
• Iterate through the grid and count the perimeter based on land cells and their adjacent cells.

• Each land cell contributes 4 units to the perimeter, subtract 2 units for each adjacent land cell.

• Handle edge cases where land cells are at the boundaries of the grid.

• Return the total perimeter for each test case.
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Round duration - 60 minutes
Round difficulty - Hard

DSA+OS

Q1. 
Clearing the Forest Problem Statement
Ninja lives in a city called Byteland where a festive event is being organized. To make space for this event, Ninja is tasked with clearing a nearby forest. The fores...read more
Ans. 
Calculate the minimum number of steps Ninja needs to cut down all trees in a forest grid.
• Iterate through the grid to find the shortest path to cut down all trees in order.

• Use a priority queue to keep track of the shortest trees to cut next.

• If it's impossible to cut all trees, return -1.

• Consider all four cardinal directions for movement in the grid.
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Round duration - 70 Minutes
Round difficulty - Hard

The test link was active for a week, and you can give anytime you like. The IDE was very good and self explanatory. There were 2 coding questions and 15 aptitude questions.

Q1. 
Unweighted Graph Shortest Path Problem
You are tasked with finding the shortest path between two houses in the city of Ninjaland, represented as an unweighted graph. The city has N houses numbered from 1 ...read more
Ans. 
Find the shortest path between two houses in a city represented as an unweighted graph.
• Use breadth-first search (BFS) algorithm to find the shortest path in an unweighted graph.

• Start BFS from the source house and keep track of the path taken to reach each house.

• Once the destination house is reached, backtrack from destination to source to find the shortest path.

• Consider using a queue data structure to implement BFS eff...read more
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Q2. 
Check If Two Nodes Are Cousins
You are given an arbitrary binary tree consisting of N nodes, where each node is associated with a certain value, and two node values, a and b. Your task is to determine if ...read more
Ans. 
Check if two nodes in a binary tree are cousins by comparing their levels and parents.
• Traverse the tree to find the levels and parents of the given nodes.

• Compare the levels and parents of the two nodes to determine if they are cousins.

• If the levels are the same and the parents are different, the nodes are cousins.
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Round duration - 60 Minutes
Round difficulty - Medium

It contained two programming questions.

Q1. 
Counting Nodes in a Complete Binary Tree - Problem Statement
Given the root of a complete binary tree, calculate the total number of nodes in this tree.
A complete binary tree is defined as a binary tree...read more
Ans. 
Count the total number of nodes in a complete binary tree given its root.
• Traverse the tree in level order and count the nodes

• Use a queue to keep track of nodes at each level

• Check for null nodes represented by -1 in the input

• The total number of nodes in the example tree is 7
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Q2. 
Rearrange Array Numbers for Largest Possible Number
Given an array ARR consisting of non-negative integers, rearrange the numbers to form the largest possible numerical value. You are not permitted to alt...read more
Ans. 
Rearrange array numbers to form the largest possible numerical value by combining digits of each number in the array.
• Convert integers in the array to strings for easier manipulation.

• Sort the array of strings in non-increasing order based on custom comparison function.

• Join the sorted strings to form the largest possible number.
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Round duration - 60 Minutes
Round difficulty - Medium

This was more of a interaction round with some technical skills.

Q1. Can you explain the ACID properties and the rollback mechanism in DBMS?
Ans. 
ACID properties ensure database transactions are processed reliably. Rollback mechanism undoes changes if transaction fails.
• ACID properties: Atomicity, Consistency, Isolation, Durability

• Atomicity ensures all operations in a transaction are completed successfully or none at all

• Consistency ensures database remains in a valid state before and after transaction

• Isolation ensures transactions are independent and do not inter...read more
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