Ganit Business Solutions ml engineer Interview Questions and Answers

Q1. Related to oops,
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Q2. Micro services regarding
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Q1. Basic python program
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Q1. Basic coding and oops questions.
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Q2. Spring, spring boot questions. , System design question, basics.
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Q1. What is difference between SQL and mySQL?
Ans. 
SQL is a standard language for managing databases, while MySQL is a specific open-source relational database management system.
• SQL is a standard language used to manage databases, while MySQL is a specific implementation of a relational database management system.

• SQL is used to interact with databases to perform tasks like querying, updating, and deleting data.

• MySQL is an open-source RDBMS that uses SQL as its query la...read more
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Q2. What is four pillar of oops?
Ans. 
Encapsulation, Inheritance, Polymorphism, Abstraction
• Encapsulation: Bundling data and methods that operate on the data into a single unit

• Inheritance: Ability of a class to inherit properties and behavior from another class

• Polymorphism: Ability to present the same interface for different data types

• Abstraction: Hiding the complex implementation details and showing only the necessary features
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Q3. What are ACID properties in DBMS?
Ans. 
ACID properties in DBMS stand for Atomicity, Consistency, Isolation, and Durability.
• Atomicity ensures that all operations in a transaction are completed successfully or none at all.

• Consistency ensures that the database remains in a consistent state before and after the transaction.

• Isolation ensures that multiple transactions can be executed concurrently without affecting each other.

• Durability ensures that once a transa...read more
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Q1. Tell me about yourself.
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Q2. Tell me about your project and how can this project contribute in social environment?
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Q1. What is the difference between a beam and a slab?
Ans. 
A beam is a horizontal or inclined structural member that carries loads perpendicular to its longitudinal axis, while a slab is a flat, horizontal structural element that is typically used in floors and roofs.
• Beams are used to support vertical loads, while slabs are used to support horizontal loads.

• Beams are typically deeper than they are wide, while slabs are typically wider than they are deep.

• Beams are often used in ...read more
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Q2. Draw the SFD and BMD for an overhanging beam?
Ans. 
SFD and BMD for an overhanging beam
• Determine the reactions at the supports

• Draw the SFD by taking sections and finding the net force

• Draw the BMD by taking sections and finding the net moment

• Account for any point loads or moments

• Check for equilibrium at each section
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Q3. What are the design steps for a Column?
Ans. 
Design steps for a column include determining load requirements, selecting materials, calculating dimensions, and creating a detailed drawing.
• Determine load requirements based on the intended use of the column

• Select appropriate materials based on load requirements and aesthetic preferences

• Calculate dimensions of the column based on load requirements and material properties

• Create a detailed drawing of the column design,...read more
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Round duration - 120 Minutes
Round difficulty - Easy

Coding questions

Q1. What can you tell me about queries related to SQL joins?
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Round duration - 140 Minutes
Round difficulty - Hard

Group Anagrams
Valid Parenthesis

Q1. 
Valid Parentheses Problem Statement
Given a string 'STR' consisting solely of the characters “{”, “}”, “(”, “)”, “[” and “]”, determine if the parentheses are balanced.
Input:
The first line contains an...read more
Ans. Valid Parenthesis
Make use of the stack. Traverse the string and push the current character in the stack if it is an opening brace else pop from the stack If it is the corresponding starting brace for current closing brace then move to the next character of the string otherwise return false.
 
If after complete traversal if the stack is empty then the string is balanced else it is not balanced.
 
Pseudo Code:
• Decla...read more
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Q2. 
Group Anagrams Problem Statement
Given an array or list of strings called inputStr, your task is to return the strings grouped as anagrams. Each group should contain strings that are anagrams of one anoth...read more
Ans. Categorize by Count
The key idea behind this approach is that we can transform each string into a string representing the character count. We will use an array “count”, of size 26 such that each element of the array represents the number of a’s, b’s, c’s and so on… We will be using these frequencies to create a string, delimited by ‘#’ characters, that we will use as a key for our HashMap.
 
For example :
str=”abbccc”...read more
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Round duration - 20 Minutes
Round difficulty - Easy

Some technical questions were asked by HR to check my confidence