ALTRES Technologies HR Generalist Interview Questions and Answers

Q1. Related to subjects of study like life sciences
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Q2. Transcription, Translation
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Data structures and oops

Q1. Performance and technical questions
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Practice standard questions

Q1. Search in rotated sorted array
Ans. 
Search for a target element in a rotated sorted array.
• Use binary search to find the pivot point where the array is rotated.

• Divide the array into two sorted subarrays based on the pivot point.

• Perform binary search on the appropriate subarray to find the target element.
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Q2. Trim a bst in leet code
Ans. 
Trim a binary search tree by removing nodes outside a given range.
• Start by checking if the root node is within the given range.

• If the root node is outside the range, trim it by recursively trimming its left or right subtree.

• If the root node is within the range, recursively trim its left and right subtrees.
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Gave alien dictionary (hard question) from gfg.

Q1. Gave medium questions from graph, basically BFS, DFS questions. Left view of a BST.
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Q1. Based on job description
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Q1. Some artchitecture questions
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Q1. SDLC ,PDLC and Agile
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Q1. Negotitaion Salary and bonus
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Q1. How ML is used in daily life applications?
Ans. 
Machine Learning enhances daily life through personalized experiences, automation, and improved decision-making across various sectors.
• Personalized recommendations on streaming services like Netflix and Spotify based on user preferences.

• Voice assistants like Siri and Alexa use ML to understand and respond to user commands.

• Social media platforms utilize ML algorithms to curate news feeds and suggest connections.

• E-commer...read more
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Q2. OOPs concept, encapsulation,threading
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Q1. Find anagrams in a sentence
Ans. 
Identify anagrams within a given sentence
• Split the sentence into individual words

• Compare each word to every other word to find anagrams

• Store anagrams in an array of strings
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Q2. Find lca of a binary tree
Ans. 
The lowest common ancestor (LCA) of a binary tree is the shared ancestor of two nodes farthest from the root.
• Start from the root and recursively search for the nodes in the left and right subtrees.

• If one node is found in the left subtree and the other in the right subtree, then the root is the LCA.

• If both nodes are found in the left subtree, then the LCA is in the left subtree. Same for the right subtree.

• Repeat the pro
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Q1. Find duplicates in a string
Ans. 
Use a hash set to find duplicates in a string efficiently.
• Create a hash set to store characters as you iterate through the string.

• If a character is already in the hash set, it is a duplicate.

• Return the duplicates as an array of strings.
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Q2. Find the sum of the digits in a reverse order
Ans. 
To find the sum of digits in reverse order, reverse the number and then add the digits together.
• Reverse the given number

• Separate each digit of the reversed number

• Add all the digits together to get the sum
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