Paytm Interview Questions and Answers

Q1. Carry Hardcopy Of Your Cv.
Ans. 
Yes, it is important to carry a hardcopy of your CV for reference during the interview.
• Having a hardcopy shows preparedness and professionalism.

• Allows for easy reference during the interview.

• Can be shared with the interviewer if needed.

• Shows attention to detail and organization.

• Demonstrates respect for the interviewer's time.
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Q2. Wear Formal Dress
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Q1. Try To Attend The Call Alone.
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Q2. Attend The Call At Noise Proof Area
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Q1. You Will Find Offer Letter Via E-Mail.
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Q2. Present On Your Joining Date.
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Q1. About my self and experience by my l1 and l2
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Q2. How can handle the team
Ans. 
Handling a team involves effective communication, delegation, motivation, and conflict resolution.
• Establish clear goals and expectations for the team

• Communicate openly and regularly with team members

• Delegate tasks based on team members' strengths and skills

• Provide feedback and recognition for good work

• Address conflicts and issues promptly and fairly

• Lead by example and demonstrate a positive attitude

• Encourage collaborat...read more
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Q3. How can recruitment your team
Ans. 
Recruit team members based on skills, experience, and cultural fit.
• Identify the specific skills and experience needed for the team

• Utilize various recruitment channels such as job boards, social media, and employee referrals

• Conduct thorough interviews to assess candidates' qualifications and cultural fit

• Consider diversity and inclusion when selecting team members
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Q1. What are the best and worst solutions for the coding problem "Longest Substring Without Repeating Characters," including a detailed explanation of each solution along with their time and space complexity?
Ans. 
The Longest Substring Without Repeating Characters problem involves finding the length of the longest substring without any repeating characters.
• Best solution: Sliding Window approach with HashSet to track unique characters. Time complexity O(n), space complexity O(min(n, m)) where n is the length of the string and m is the size of the character set.

• Worst solution: Brute force approach checking all substrings for uniqu...read more
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Q1. Questions regarding Redis and cache eviction policies, and how would you implement a low-level design for the Least Recently Used (LRU) cache algorithm?
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This is a HackerEarth coding test that consists of 20 or 22 basic questions focused on iOS and Swift, along with two data structure and algorithm problem-solving questions; one of these is challenging, while the other is easier.

Q1. Basic questions around ios and swift.
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Q2. What is the effective approach to display 'n' number of images in a table view using image URLs?
Ans. 
Use asynchronous image loading to display 'n' images in a table view efficiently.
• Use SDWebImage or AlamofireImage libraries for asynchronous image loading.

• Store image URLs in an array and load images dynamically as cells are displayed.

• Implement caching mechanism to avoid reloading images every time a cell is displayed.
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Hackerrank - 2 question

Q1. Swift Basic, Design Pattern, Customization, DSA, etc.
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Q1. Swift Depth, Lifecycles, DSA, Pattern, Project Discussion, etc.
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Q1. Search in a sorted matrix
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Q2. Rotting orange graph
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Q3. Database Indexing and SQL
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Q1. Design Patterns
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Q2. Medium level Binary tree question
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Q3. Previous work discussion
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Speaking well in group discussion Explain To boys how to understand customers

Q1. Boys, Why should I say that she is related To paytm?
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Q2. No matter what scheme one follows
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Q3. To increase Further knowledgeOf boys company
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