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I was clear 12th exam in sacinece and my best subject is mathematics

Q1. Waht is a maximum value of sin0
Ans. 
The maximum value of sin0 is 1.
• The maximum value of sinθ is 1, which occurs when θ is 90 degrees or π/2 radians.

• The sine function oscillates between -1 and 1 as the angle increases from 0 to 360 degrees or 0 to 2π radians.
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Q2. 1-100 how many ofd no.
Ans. 
The question is nonsensical and does not have a clear answer.
• The question is unclear and does not make sense.

• It is not possible to provide a descriptive answer to this question.

• It is best to ask for clarification or move on to a different question.
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Q3. What is zero nmber in 100 word
Ans. 
Zero is a number that represents nothing or absence of value.
• Zero is the starting point of the number line.

• It is an even number and has no positive or negative value.

• In mathematics, it is used as a placeholder to indicate the absence of a value.

• It is also used in measurements, such as temperature, to indicate the absence of heat.

• In computer programming, it is often used to represent null or empty values.
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2 hrs duration with 2 easy level dsa questions and 15 around mcqs based on core cs concepts.

Q1. Implement stack using linked list.
Ans. 
Implementing stack using linked list
• Create a Node class with data and next pointer

• Create a Stack class with top pointer

• Implement push() method to add element to top of stack

• Implement pop() method to remove element from top of stack

• Implement peek() method to return top element without removing it
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Q2. Print first duplicate value in a string.
Ans. 
Find the first duplicate value in an array of strings.
• Create a hash table to store the frequency of each string.

• Iterate through the array and check if the string already exists in the hash table.

• If it does, return the string. If not, add it to the hash table.

• If no duplicates are found, return null or an appropriate message.
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Round duration - 135 minutes
Round difficulty - Easy

There was no sectional time limit for the coding questions.The test was online with audio and video both on for continuous monitoring.

Q1. 
N-th Term Of Geometric Progression
Find the N-th term of a Geometric Progression (GP) series given the first term A, the common ratio R, and the term position N.
Explanation:
The general form of a GP se...read more
Ans. 
Calculate the N-th term of a Geometric Progression series given the first term, common ratio, and term position.
• Use the formula A * R^(N-1) to find the N-th term of the GP series.

• Remember to return the result modulo 10^9 + 7 as the term can be very large.

• Handle multiple test cases efficiently by iterating through each case.
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Q2. 
Matrix Element Cube Sum Problem
For a given M x N sized 2D array 'MATRIX', find and return the value of (i * i + j * j) for elements where the sum of the cubes of its digits equals the element itself. Her...read more
Ans. 
Find and return the value of (i * i + j * j) for elements in a 2D array where the sum of the cubes of its digits equals the element itself.
• Iterate through the 2D array and check if the sum of the cubes of digits equals the element itself.

• Calculate (i * i + j * j) for elements that satisfy the condition.

• Return the calculated values as a new 2D array.

• If no element satisfies the condition, return -1.
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Round duration - 40 minutes
Round difficulty - Easy

The interviewer was very calm and listened very carefully to the solutions. There was a lot of discussion on my projects and the interviewer seems to be very interested in knowing about the workflows of my projects.They also give me some coding questions which were related to problem solving also.

Q1. 
Distinct Subsequences Problem Statement
You are given a string 'S' of length 'N' which may include duplicate alphabets. Your goal is to calculate the number of distinct subsequences in the string.
Exampl...read more
Ans. 
Calculate the number of distinct subsequences in a string with possible duplicates.
• Use dynamic programming to keep track of the count of distinct subsequences for each character in the string.

• Consider the cases where the current character is included or excluded in the subsequence.

• Handle duplicates by using a hashmap to store the last occurrence index of each character.

• Modulo the final count by 10^9 + 7 to avoid overfl
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Q2. 
Remove the Kth Node from the End of a Linked List
You are given a singly Linked List with 'N' nodes containing integer data and an integer 'K'. Your task is to delete the Kth node from the end of this Lin...read more
Ans. 
Remove the Kth node from the end of a singly linked list given the position from the end to be removed.
• Traverse the list to find the length 'N' of the linked list.

• Calculate the position from the beginning to be removed as 'N - K + 1'.

• Delete the node at the calculated position from the beginning.
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Q3. 
Common Elements Problem Statement
Identify and output the common strings present in both given arrays of lowercase alphabets for each test case.
Input:
The first line contains an integer 'T' representin...read more
Ans. 
The task is to find common strings in two arrays of lowercase alphabets for each test case.
• Iterate through the elements of the second array and check if they are present in the first array.

• Use a hash set to store the strings of the first array for efficient lookup.

• Return the common strings in the order they appear in the second array.
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Q1. Sdlc lifecycle of components and architecture.
Ans. 
SDLC lifecycle involves planning, designing, developing, testing, deploying, and maintaining software components and architecture.
• SDLC (Software Development Life Cycle) includes phases like planning, designing, coding, testing, and maintenance.

• Components are designed, developed, tested, and integrated into the overall architecture.

• Architecture involves defining the structure, behavior, and interactions of software comp...read more
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Q1. Role and responsibility my tasks and questions on project
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Q1. About Lighnting Web componet
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Aptitude test was first round. it was hard level

Program on string, oops , exception handling

Hard test dsa question practice more leetcode

Q1. Dsa question Array Powershell scripting Cpp Python
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