National Payments Corporation of India Interview Questions, Process, and Tips

Basic SQL and coding language questions

2 coding questions basic level coding round

A typical question regarding arrays and strings.

Q1. What is the method to determine if one number is an anagram of another?
Ans. 
To determine if one number is an anagram of another, we can sort the digits of both numbers and compare them.
• Convert both numbers to strings

• Sort the digits of both numbers

• Compare the sorted strings to check if they are equal
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Q2. What are the key concepts of Object-Oriented Programming (OOP)?
Ans. 
Key concepts of OOP include encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Allowing a class to inherit properties and behavior from another class.

• Polymorphism: The ability for objects of different classes to respond to the same method.

• Abstraction: Hiding the complex implementation details and showing onl
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Q3. What project did you work on?
Ans. 
I worked on a project to develop a mobile application for tracking fitness activities.
• Developed user interface for inputting exercise data

• Implemented GPS tracking functionality for recording running routes

• Integrated with wearable devices to sync data automatically
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It was overall good experience it was little bit harder than small tech companies

Q1. Coding question from dsa
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Q2. Another question from development
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The test had 2 sections of total duration 60 minutes. Section 1 was of 40 minutes which consisted of 40 questions from aptitude, reasoning, and English. Section 2 was of 20 minutes which consisted of 20 pseudocodes and the language choice was Python/Java/C++.

Q1. Whatis slicing in python
Ans. 
Slicing in Python refers to extracting a portion of a sequence like a list, tuple, or string.
• Slicing is done using square brackets and specifying start, stop, and step values.

• The syntax for slicing is [start:stop:step].

• Example: list = [1, 2, 3, 4, 5], list[1:4] will return [2, 3, 4].
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Q2. How do rate yourself in coding, on a scale of 1 – 10
Ans. 
I would rate myself as a 7 in coding skills. I have experience with various programming languages and can write efficient code.
• I have experience with multiple programming languages such as Python, Java, and Bash

• I have worked on automating tasks using scripts and creating efficient algorithms

• I have contributed to open source projects and have a good understanding of software development best practices
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Q1. Write a program to check whether a String is Palindrome or not
Ans. 
Program to check if a String is Palindrome or not
• Create a function that takes a string as input

• Reverse the string and compare it with the original string

• If they are the same, then the string is a palindrome
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Q2. Since you have mentioned that you are not very familiar with Java, how flexible are you in learning new languages or learning new technologies Do you have any questions for us ?
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Group discussion must be conducted

To enhance ability

Q1. Various questions related to skills
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Q2. Decision ability
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Basic apti questions

Simple basic coding

Q1. Mostly questions About yourself
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Q1. String related questions Dsa related
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