kipi.ai Sdet Lead Interview Questions and Answers

Q1. Basic technical discussion for an hour
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Q2. Coding on array asc or desc
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Again further basic technical discussion for half time and a coding problem

Again same as round 2 and coding test

Discussion abt tech stack and worked assignments and ending with a coding test .This round happens for more experienced ppl by project lead/learning director level guys.The result wl told in their attitude and words here if salary you are expecting is out of their budget..Total wasted my time

It was modrate easy with compare to other

Good questions which is some are modrate and some difficult

It was basic dsa questions on hashmap and heap

De/algo leetcode medium level

Online aptitude test with reasoning and java

Q1. Explain all Oops concepts briefly
Ans. 
Oops concepts are fundamental principles of object-oriented programming like inheritance, polymorphism, encapsulation, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Polymorphism: Ability of objects to take on multiple forms based on the context.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Abstraction: Hiding the complex implemen...read more
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Q2. One basic level java question
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Round duration - 90 minutes
Round difficulty - Easy

It was purely a coding round

Q1. 
Course Schedule Problem Statement
You are enrolled as a student and must complete N courses, numbered from 1 to N, to earn your degree.
Some courses have prerequisites, which means that to take course i,...read more
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Q2. 
N Queens Problem
Given an integer N, find all possible placements of N queens on an N x N chessboard such that no two queens threaten each other.
Explanation:
A queen can attack another queen if they ar...read more
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Q1. What is an abstract class?
Ans. 
An abstract class is a class that cannot be instantiated and may contain abstract methods that must be implemented by its subclasses.
• Cannot be instantiated directly

• May contain abstract methods

• Used as a blueprint for other classes
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Q2. What is abstraction?
Ans. 
Abstraction is the process of hiding complex details and showing only the essential features of an object or system.
• Abstraction allows us to focus on what an object does, rather than how it does it

• It helps in simplifying complex systems by breaking them down into smaller, more manageable parts

• Examples of abstraction include using a car without needing to understand its internal combustion engine, or using a smartphone
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Q3. Best sorting algo?time complexity of it?
Ans. 
QuickSort is one of the best sorting algorithms with an average time complexity of O(n log n).
• QuickSort is a divide and conquer algorithm that works by selecting a 'pivot' element and partitioning the array around the pivot.

• It has an average time complexity of O(n log n) and a worst-case time complexity of O(n^2).

• Example: ['apple', 'banana', 'cherry', 'date', 'fig'] can be sorted using QuickSort.

• Example: ['3', '1', '4'...read more
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Q4. You have been provided a sorted list time complexity achieved after we apply bubble sorting
Ans. 
Bubble sorting has a time complexity of O(n^2) for a sorted list.
• Bubble sorting has a worst-case time complexity of O(n^2) for a sorted list.

• The time complexity does not change even if the list is already sorted.

• Example: If we have a sorted list of size n, bubble sorting will still take O(n^2) time.
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Q1. Have you ever been to a state other than jharkhand?
Ans. 
Yes, I have been to multiple states other than Jharkhand.
• I have traveled to states like Maharashtra, Karnataka, and Tamil Nadu for work and leisure.

• I have visited tourist destinations in states like Rajasthan, Kerala, and Himachal Pradesh.

• I have family in states like Uttar Pradesh, Bihar, and West Bengal, which I have visited multiple times.
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Q1. Basic technical discussion for an hour
Add your answer
Q2. Coding on array asc or desc
Add your answer

Again further basic technical discussion for half time and a coding problem

Again same as round 2 and coding test

Discussion abt tech stack and worked assignments and ending with a coding test .This round happens for more experienced ppl by project lead/learning director level guys.The result wl told in their attitude and words here if salary you are expecting is out of their budget..Total wasted my time