Paytm HR Intern Interview Questions and Answers

Q1. What is Google pay and why is it useful
Ans. 
Google Pay is a digital payment platform that allows users to make secure and convenient transactions using their smartphones.
• Google Pay enables users to link their bank accounts, credit cards, and debit cards to make payments.

• It offers a fast and easy way to pay for purchases both online and in physical stores.

• Users can also send and receive money to/from friends and family instantly.

• Google Pay provides a secure payme...read more
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Q2. Is Google pay helpful
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Q3. What is the uses of Google pay
Ans. 
Google Pay is a digital wallet platform and online payment system developed by Google.
• Allows users to make payments using their mobile phones

• Offers cashback and rewards for transactions

• Can be used for online and offline transactions

• Supports multiple payment methods including UPI, credit/debit cards, and net banking

• Offers easy and secure transactions with biometric authentication
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Understand the task and problems

1 hour test conducted by the company

Data structure and all

Q1. What is the diffreant other peoples and u
Ans. 
I have unique skills, experiences, and personality traits that differentiate me from others.
• I have a strong work ethic and am highly motivated to succeed

• I have excellent communication and interpersonal skills

• I have a unique set of experiences and perspectives that allow me to approach problems in a creative and innovative way

• I am adaptable and able to quickly learn and apply new skills

• I am passionate about what I do an
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Q2. What u earn for us
Ans. 
I will earn significant revenue for the company through my strong sales skills and ability to build and maintain relationships with clients.
• I have a proven track record of exceeding sales targets in my previous roles.

• I will leverage my extensive network of contacts to generate new business opportunities.

• I am skilled in identifying customer needs and providing tailored solutions to meet those needs.

• I will actively engag...read more
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All about coding and solving questions

Q1. All about coding questions in depth and follow up questions
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Q2. Be good in coding
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Q1. What's your name? Previously working details
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Q2. Your long term goals?
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Round duration - 90 minutes
Round difficulty - Medium

Started with projects discussion and internships and moved forward with coding problems.
It started at around 6:00 PM and lasted for 90 minutes approximately
The interviewer was very cool, he even gave me some tips on improving myself further at the end of the interview.

Q1. 
Longest Substring with At Most K Distinct Characters
Given a string S of length N and an integer K, find the length of the longest substring that contains at most K distinct characters.
Input:
The first...read more
Ans. 
Find the length of the longest substring with at most K distinct characters in a given string.
• Use a sliding window approach to keep track of the characters and their counts within the window.

• Maintain a hashmap to store the characters and their frequencies.

• Update the window size and characters count as you iterate through the string.

• Return the maximum window size encountered for each test case.
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Q2. 
Maximum Frequency Number Problem Statement
Given an array of integers with numbers in random order, write a program to find and return the number which appears the most frequently in the array.
If multip...read more
Ans. 
Find the number with the maximum frequency in an array of integers.
• Iterate through the array and keep track of the frequency of each number using a hashmap.

• Find the number with the maximum frequency and return it.

• If multiple elements have the same maximum frequency, return the one that appears first.
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Q3. 
Ninja and Bombs Problem Statement
Ninja wants to travel from his house to his best friend's house. The locations of the houses are on a 2D coordinate plane, where Ninja's house is located at the origin (0...read more
Ans. 
Determine if Ninja can reach his friend's house with even x-coordinate without using modulus operator.
• Check if the x-coordinate is even or odd by using bitwise AND operation with 1.

• Return 1 if x-coordinate is even, else return 0.

• Handle multiple test cases by iterating through each input.
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Round duration - 60 minutes
Round difficulty - Easy

I was asked a coding question then, a system design question and some basic operating systems and oops questions

Q1. 
Find Duplicates in an Array
Given an array ARR of size 'N', where each integer is in the range from 0 to N - 1, identify all elements that appear more than once.
Return the duplicate elements in any orde...read more
Ans. 
Find duplicates in an array of integers within a specified range.
• Iterate through the array and keep track of the count of each element using a hashmap.

• Return elements with count greater than 1 as duplicates.

• Time complexity can be optimized to O(N) using a set to store seen elements.
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Q2. Can you design a Google Search Engine?
Ans. 
Designing a Google Search Engine involves creating a web crawler, indexing system, and ranking algorithm.
• Develop a web crawler to discover and retrieve web pages.

• Implement an indexing system to store and organize the content of web pages.

• Design a ranking algorithm to determine the relevance of search results.

• Include features like autocomplete, spell check, and personalized search results.

• Optimize for speed and scalabil...read more
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