Econz It Services Interview Questions and Answers

Mostly round had questions related to the quant and data interpretation.

Problems were related to Arrays and Greedy Algorithms

It was well managed GD round
It had three different topics and each and everyone has to attend the all the three topics

Q1. Question were to test the aptitude and logical reasoning
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First there will be a topic given to you to write an article of length 300-400 words in 15 mins. This article writing is to check your knowledge of English language.
Then there is a 45 mins round test in which 40 questions will be asked.
20 Technical and 20 Programming.
The programming questions will be from C++, and you are required to choose the correct output of the given C++ program.
The technical aptitude questions were medium to hard.

Q1. It's a 1:30 hr round. In this part, there will be 4 coding questions from arrays topic which you can solve with any programming language you know. Along with this, you will have 2 questions from SQL and e...read more
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They asked logical reasoning and some machin learning mcqs

Q1. Tell me something about your project
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Q2. What is convolution neural network algorithm?
Ans. 
Convolutional neural network (CNN) is a deep learning algorithm commonly used for image recognition and classification.
• CNN is designed to automatically and adaptively learn spatial hierarchies of features from input data.

• It uses convolutional layers to apply filters to input data, extracting features at different spatial locations.

• Pooling layers are used to reduce the spatial dimensions of the input data while retainin...read more
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Q3. How numpy works in the background?
Ans. 
NumPy is a powerful library for numerical computing in Python, providing support for large, multi-dimensional arrays and matrices.
• NumPy uses C and Fortran libraries in the background for numerical computations, making it faster than pure Python.

• It provides a powerful N-dimensional array object and functions for performing various mathematical operations on arrays.

• NumPy arrays are stored in contiguous blocks of memory, ...read more
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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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Q1. Normal questions asked regarding day to day responsibilities of a project manager.
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Q1. Salary Negotiation
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Q1. What is your experience level?
Ans. Total 4 Years of Experience of which 1.5 years is into HR.
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Q2. What is your Current CTC?
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Q3. What is your Expected CTC?
Ans. 
My expected CTC is negotiable based on the job role, responsibilities, and benefits offered.
• My expected CTC is based on industry standards and my level of experience.

• I am open to discussing the salary range during the interview process.

• I am looking for a competitive salary package with additional benefits such as healthcare and retirement plans.
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Q4. Are you available Immediately to join?
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Q1. Have you done IT Recruitment ?
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Q2. Yes , I have an experience into IT Hiring .
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I coding round ask a question.
a. Print palindrome.
b. Delete duplicate number.
c. Fibonnaci Series.
d. Prime number.

Q1. Q 1. What is constructor. Q 2. What is oops and its features. Q 3.Difference between abstraction and interface. Q 4. Difference between checked and unchecked. Q 5.Throw and throws keyword.
Ans. 
Answers to common programming interview questions.
• Constructor is a special method that is called when an object is created.

• OOPs is Object-Oriented Programming which focuses on objects and their interactions.

• Abstraction is a concept of hiding implementation details while interface is a blueprint of a class.

• Checked exceptions are checked at compile-time while unchecked exceptions are not.

• Throw keyword is used to throw an...read more
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Q2. 1.Comparable and Comparator. 2.ArrayList and Array.
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