Paytm Money Senior Associate Interview Questions and Answers

1 hour 10 mins, MERN Stack, Face to Face. Mongodb, medium DSA Question, callback, eventloop, NodeJS asynchronous working

Q1. Strength and weakness
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Q1. Private equity waterfall
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Q1. What is financial budgeting and analysis
Ans. 
Financial budgeting and analysis involves creating and managing a financial plan to achieve business goals.
• Financial budgeting involves creating a plan for income and expenses over a specific period of time.

• Financial analysis involves reviewing financial data to identify trends, opportunities, and potential risks.

• Both budgeting and analysis are important for making informed financial decisions and achieving business ob...read more
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Q2. Talk about the topic and also highlight the best practices you use.
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The topic is best practices for senior associates.
• One best practice is to prioritize tasks and manage time effectively.

• Another best practice is to communicate clearly and effectively with team members and clients.

• A third best practice is to continuously learn and stay updated on industry trends and developments.

• Additionally, building strong relationships and networking with colleagues and clients is crucial.

• Lastly, att...read more
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Q1. Self introduction
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PPT Assignment comparing all APIs

Q1. Domain knowledge
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Q1. Myself and stock market knowledge
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Round duration - 90 Minutes
Round difficulty - Medium

Q1. 
Cycle Detection in a Singly Linked List
Determine if a given singly linked list of integers forms a cycle or not.
A cycle in a linked list occurs when a node's next points back to a previous node in the ...read more
Ans. 
Detect if a singly linked list forms a cycle by checking if a node's next points back to a previous node.
• Use Floyd's Cycle Detection Algorithm to determine if there is a cycle in the linked list.

• Maintain two pointers, one moving at double the speed of the other, if they meet at any point, there is a cycle.

• If one of the pointers reaches the end of the list (null), there is no cycle.
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Q2. 
Next Greater Element Problem Statement
Given a list of integers of size N, your task is to determine the Next Greater Element (NGE) for every element. The Next Greater Element for an element X is the firs...read more
Ans. 
Find the Next Greater Element for each element in a list of integers.
• Iterate through the list of integers from right to left.

• Use a stack to keep track of elements for which the Next Greater Element is not yet found.

• Pop elements from the stack until a greater element is found or the stack is empty.

• Assign the Next Greater Element as the top element of the stack or -1 if the stack is empty.
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Round duration - 60 Minutes
Round difficulty - Medium

Q1. How would you design an ATM machine?
Ans. 
Designing an ATM machine involves considering user interface, security measures, transaction processing, and hardware components.
• User interface should be intuitive and easy to navigate for users of all ages.

• Implement security measures such as PIN entry, card authentication, and encryption to protect user data.

• Transaction processing should be fast and reliable, with options for cash withdrawals, deposits, transfers, and...read more
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Round duration - 45 Minutes
Round difficulty - Easy

Q1. Can remember it but it was simple question from array
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Q2. Multiple two numbers (given in string only can be very big have to do in traditional way) that can be very big so we have to store result in string
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