Massmutual Global Business Services Intern Interview Questions and Answers

Q1. Tell me about urself
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Q2. About my skill sql, python,
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Medium level coding questions on hackerrank ,1:30hr, topic- Array , DP , Matrix , Binary Search

Q1. Was Asked to Implement Hashmap and Question on OOPS and Dbms , SQL and Indexing
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Q1. Brief Introduction
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Q2. Rotten Oranges and basics of bfs and DFS
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2hours, Data Structures and Algorithms, Graphs and Machine LEarning Questions

Q1. Implement MinStack?
Ans. 
MinStack is a data structure that supports push, pop, top, and retrieving the minimum element in constant time.
• Create a stack to store the elements and another stack to store the minimum values encountered so far.

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

• When popping an element, check if it is the current minimum. If so, pop from the minimum stack as...read more
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Q2. Puzzles and SQL Query
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Q1. Can you provide a brief introduction about yourself?
Ans. 
I am a motivated and detail-oriented individual with a passion for project management.
• Experienced in creating project plans and timelines

• Strong communication and organizational skills

• Proficient in using project management tools such as Asana and Trello
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Q2. How do you prioritize tasks?
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I prioritize tasks based on deadlines, importance, and impact on overall project goals.
• I create a to-do list with all tasks and deadlines

• I assess the importance and impact of each task on project goals

• I prioritize tasks based on deadlines, importance, and impact

• I regularly review and adjust priorities as needed
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Q3. What are day to day challenges faced
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Some day-to-day challenges include managing time effectively, dealing with unexpected issues, and balancing multiple tasks.
• Managing time effectively to meet deadlines

• Dealing with unexpected issues or problems that arise

• Balancing multiple tasks and priorities

• Communicating effectively with team members and stakeholders

• Adapting to changes in project requirements or scope
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Q4. What does your day look like?
Ans. 
My typical day involves attending meetings, working on projects, and collaborating with team members.
• Attend morning team meeting to discuss goals for the day

• Work on assigned projects and tasks throughout the day

• Collaborate with team members on various projects and initiatives

• Attend training sessions or workshops to enhance skills

• Review progress and plan for the next day before leaving
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Round duration - 90 minutes
Round difficulty - Medium

Timing was 10AM. The platform was quite good.

Q1. 
Maximum Size Rectangle Sub-matrix with All 1's Problem Statement
You are provided with an N * M sized binary matrix 'MAT' where 'N' denotes the number of rows and 'M' denotes the number of columns. Your t...read more
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Q2. 
Binary Tree Maximum Path Sum Problem Statement
Determine the maximum path sum for any path in a given binary tree with 'N' nodes.
Note:
• A 'path' is defined as any sequence of adjacent nodes connected...read more
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Q3. 
Minimum Number of Swaps to Sort an Array
Find the minimum number of swaps required to sort a given array of distinct elements in ascending order.
Input:
T (number of test cases)
For each test case:
N (siz...read more
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Q4. 
Infix to Postfix Conversion
Convert a given infix expression, represented as a string EXP, into its equivalent postfix expression.
Explanation:
An infix expression is formatted as a op b where the opera...read more
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