Goldman Sachs Summer Intern Analyst Interview Questions, Process, and Tips

90min
numerical reasoning,
logical reasoning,
reading comprehension
,abstract reasoning

Coding,
aptitude,
computer fundamentals,
competitive coding

Q1. Write a code for quick sort
Ans. 
Quick sort is a popular sorting algorithm that uses divide and conquer strategy.
• Divide the array into two sub-arrays based on a pivot element

• Recursively sort the sub-arrays

• Combine the sorted sub-arrays
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Q2. Write a code to swap two numbers by using only 2 variables
Ans. 
Swap two numbers using only 2 variables
• Use XOR operation to swap two numbers without using a third variable

• Example: a = 5, b = 10; a = a ^ b; b = a ^ b; a = a ^ b; // a = 10, b = 5
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It was an Online assessment composed of two parts: A Mathematical part and a Coding question.

Q1. How do you handle stressful situations ?
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Q2. Explain recursion
Ans. 
Recursion is a programming technique where a function calls itself in order to solve a problem.
• Recursion involves breaking down a problem into smaller subproblems and solving them recursively.

• A base case is needed to stop the recursion and prevent infinite loops.

• Examples of recursive functions include factorial calculation and Fibonacci sequence generation.
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Q1. Leetcode Question on Grid traversal
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Q2. Leetcode design system with EC2 instance Fleet
Ans. 
Design a system using EC2 instance Fleet on Leetcode platform
• Utilize EC2 instance Fleet to manage a group of EC2 instances for scalability and cost-efficiency

• Implement load balancing to distribute incoming traffic across multiple EC2 instances

• Use auto-scaling to automatically adjust the number of EC2 instances based on traffic demand

• Monitor system performance and health using CloudWatch metrics and alarms
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10 questions from Aptitude , Mathematics and CS Fundamentals subjects like DBMS,DSA,OS
2 coding question , both were Leetcode medium.

Q1. I had 3 rounds in interview, first round was technical in which they asked about my resume, projects and coding ques related to linked list
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General puzzle questions

Q1. My resume, projects, skills, hobbies, strengths, situations and future plans
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MCQs on Maths with negative marking

MCQs on logical reasoning with negative marking

Write an essay, time bound

There were questions related to aptitude and logical reasoning

2 coding ques to be coded in java + CS fundamentals mcqs

Q1. Discussion regarding projects and hard questions on oops and linkedlist
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