Ksolves India Limited Interview Questions, Process, and Tips

Neraly 15 basic appitiude questions

3 Dsa questions string and array

Q1. Bsics opps concepts and django basics questions
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Q2. Orm serilizers
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Q1. Fetch api sample application, Javascript event loop, Virtual DOM, React benefits, Basic JS problems similar to Leetcode question
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Q1. How will you prepare strategy for product launch?
Ans. 
I will prepare a strategy for product launch by conducting market research, identifying target audience, setting goals, creating a timeline, and implementing SEO tactics.
• Conduct market research to understand the target audience and competitors

• Identify key features and benefits of the product to highlight in SEO campaigns

• Set specific goals for the product launch, such as increasing website traffic or sales

• Create a timel...read more
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Q1. How will you work in house coming from a non IT background?
Ans. 
I will leverage my transferable skills, learn quickly, and collaborate with IT professionals to excel in the role.
• I will take advantage of my strong analytical skills to understand SEO concepts and strategies.

• I will proactively seek training and resources to bridge any knowledge gaps in IT and SEO.

• I will collaborate closely with IT team members to leverage their expertise and ensure successful implementation of SEO str...read more
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Q1. Why did you leave other companies?
Ans. 
Seeking new challenges and growth opportunities.
• Looking for career advancement

• Desire for new challenges

• Seeking better work-life balance

• Company restructuring or downsizing

• Relocation to a new area
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Q2. Will you join somewhere else if you get better package?
Ans. 
I am committed to my current role and company, but I am open to considering other opportunities if they align with my career goals and offer a better package.
• I am dedicated to my current role and value the experience and growth opportunities it provides.

• However, I am open to exploring other opportunities that align with my career goals and offer a better package.

• I believe in making informed decisions based on the overa...read more
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They have 4 round total. In first round they take online Aptitide test in college labs.Aptitude topics are (Mcq on C,Java,C++ and quantitative aptitude,logical e.t.c), All rounds are Elimination round.

In 2nd Round they take coding test on your college systems.They don't have their plateform.You have to write code on any offline compiler.Coding question are based on linkedlist,array,string,hashmap only.They give 3 coding question if you solve 2 , you will be selected for next round.
Ques1: given an array of string and their frequency , find the string which have duplicate frequency.
Ques2: Find if an array contain any non empty subarray of zero sum in an array.
Ques 3: Find the string is isomorphic or Not.

Q1. In 3rd Round they ask question form your preferred programming language,Sql queries and basic dsa question like find cycle in linked list.
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Q2. What is Diff between static and final keyword in java
Ans. 
Static keyword is used to create class-level variables and methods, while final keyword is used to make a variable constant.
• Static keyword is used to create variables and methods that belong to the class itself, rather than to any specific instance of the class.

• Final keyword is used to make a variable constant and cannot be changed once it has been assigned a value.

• Static variables are shared among all instances of a c...read more
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Q3. How hashmap internally worked
Ans. 
HashMap internally uses an array of linked lists to store key-value pairs, with keys hashed to determine the index.
• HashMap uses hashing to determine the index of key-value pairs in the array.

• Each index in the array can store multiple key-value pairs in a linked list.

• When a key is inserted, its hash code is used to find the appropriate index in the array.

• If multiple keys hash to the same index, they are stored in a link...read more
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Q4. Find cycle in linkedlist
Ans. 
Detect cycle in a linked list
• Use two pointers approach - slow and fast pointers

• If there is a cycle, the fast pointer will eventually catch up to the slow pointer

• Check if the fast and slow pointers meet at some point to detect the cycle
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Q1. The 4th round is Technical+Hr, They asked question about your tech stack, project and they go deep in the concept so prepare accordingly.
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Q2. What is diff between jvm, jre, jdk
Ans. 
JVM is the Java Virtual Machine that executes Java bytecode. JRE is the Java Runtime Environment that includes JVM and libraries. JDK is the Java Development Kit that includes JRE and development tools.
• JVM is the virtual machine that runs Java bytecode and provides a runtime environment for Java programs.

• JRE includes JVM along with libraries and other components necessary to run Java applications.

• JDK is a development k...read more
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Q3. What is Springboot rest api
Ans. 
Spring Boot is a framework for building Java-based web applications with minimal configuration.
• Spring Boot simplifies the process of creating standalone, production-grade Spring-based applications.

• It provides a range of features like embedded servers, auto-configuration, and production-ready metrics.

• Spring Boot allows developers to quickly set up and run RESTful web services using annotations and minimal XML configurat
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Q4. What is polymorphism and interface , what is difference between interface and abstract class
Ans. 
Polymorphism allows objects of different classes to be treated as objects of a common superclass. Interface is a contract that defines a set of methods that a class must implement.
• Polymorphism allows for flexibility in programming by enabling a single interface to be used to represent multiple types of objects

• Interfaces in Java are similar to abstract classes, but they cannot contain any implementation code

• Abstract cla...read more
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30min Pseudo Code,Ratio and Proportion

1 hour Array,HashMap

Q1. Write a program a string is Anagram or not
Ans. 
Program to check if a string is an Anagram or not
• Create a function that takes in two strings as input

• Sort the characters in both strings and compare if they are equal

• Return true if they are anagrams, false otherwise
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Q2. How to connect mongodb with database
Ans. 
To connect MongoDB with a database, you need to use the MongoDB URI and a MongoDB client library.
• Use the MongoDB URI to specify the connection details such as host, port, username, password, and database name

• Install a MongoDB client library like Mongoose for Node.js or pymongo for Python

• Use the client library to establish a connection to the MongoDB database and perform CRUD operations
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Q3. What is event listener
Ans. 
An event listener is a function that waits for a specific event to occur and then triggers a response.
• Event listeners are commonly used in web development to handle user interactions like clicks, keypresses, etc.

• They are attached to specific elements and listen for events to occur on those elements.

• Once the event occurs, the listener executes a callback function to respond to the event.

• Example: Adding a click event lis...read more
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Q4. What is polymorphism
Ans. 
Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example: Inheritance in object-oriented programming languages like Java allows for polymorphism.
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Q1. How to reverse a string without using extra space
Ans. 
Use two pointers to swap characters in place
• Initialize two pointers, one at the beginning of the string and one at the end

• Swap characters at the two pointers and move them towards each other until they meet or cross

• Repeat the process until the entire string is reversed
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Q2. Find a number that not present in array in O(N) time complexity array contain only 0 to n numbers
Ans. 
Use bitwise XOR operation to find the missing number in O(N) time complexity.
• Iterate through the array and XOR all the elements with their indices and the array length.

• The missing number will be the result of XORing all the elements with their indices and the array length.
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Q3. Why should you join this company
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Q4. How many interview have you give previously and why you get rejected
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Practice atleast 20 questions for every topic.

Q1. Introduction Achievement background education
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Q2. Ask about technical skills and ask questions about projects
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