Keyideas Infotech Interview Questions and Answers

They ask 2 questions only hr will take your interview, first the introduction they will take and then start with technical things she will share you the questions and she will ask you to write the code

Q1. Tell me about your self
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Q2. Why do you want a change
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Q1. 3 Basic DSA Questions
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Q2. 1st Math based coding question
Ans. Can solve with normal loops and some if-else statements.
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Q3. 2nd String based
Ans. String manipulation and Traversal meanwhile keep tracking the max answer.
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Q4. 3rd Array Sorting Algorithm
Ans. 
Quick Sort is a popular in-place sorting algorithm that uses divide and conquer approach.
• Divide the array into two sub-arrays based on a pivot element

• Recursively sort the sub-arrays

• Combine the sorted sub-arrays to get the final sorted array

• Time complexity: O(nlogn) in average case and O(n^2) in worst case

• Space complexity: O(logn)

• Example: [5, 2, 9, 3, 7, 6, 8] -> [2, 3, 5, 6, 7, 8, 9]
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Q5. There was an Introduction too in starting.
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Q1. Introduce Yourself
Ans. 
I am a software enthusiast with a passion for coding and problem-solving.
• I have a degree in Computer Science and Engineering.

• I have experience in programming languages such as Java, Python, and C++.

• I have worked on projects involving web development, data analysis, and machine learning.

• I am a quick learner and enjoy working in a team environment.
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Q2. Why should I hire you?
Ans. 
I am a quick learner with a passion for software development and a strong work ethic.
• I have a solid understanding of programming concepts and experience with multiple programming languages.

• I am a team player and enjoy collaborating with others to solve problems.

• I am highly motivated and always strive to improve my skills and knowledge.

• I have completed several projects on my own and am eager to apply my skills in a prof
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Basic questions like reverse a number, print Fibonacci series, character replacement

Q1. Basic questions on .net framework, c# coding language
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Q2. Advanced level questions on MySql and Linq.
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Q3. What is the best approach to find the missing number from set of consecutive n numbers
Ans. 
One approach is to calculate the sum of all numbers in the set and then subtract the sum of the given numbers to find the missing number.
• Calculate the sum of all numbers in the set using the formula n*(n+1)/2, where n is the total number of elements in the set.

• Calculate the sum of the given numbers in the set.

• Subtract the sum of the given numbers from the sum of all numbers to find the missing number.
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Q1. Salary negotiation and document process. No questions.
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Basic coding questions (non-DSA) - Basic questions to reverse a string, check if string is palindrome, etc. If you have basic coding skills, you'll easily clear this round

Q1. Interview with CEO - Questions were asked based on technical skills - basic questions related to Database, backend technologies.
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Q2. Behavioral questions will be asked
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