Udaan Intern Interview Questions and Answers

Public vs Govt sector

First round was a aptitude test of 25 question

Q1. Oops concept in java
Ans. 
Oops concept in Java refers to Object-Oriented Programming principles like inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation involves bundling data and methods that operate on the data into a single unit.

• Polymorphism allows objects to be treated as instances of their parent class.

• Abstraction hides the implementation d...read more
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Q2. Basic multi threading questions
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Q1. Code to make a pattern and explain each and every line of code
Ans. 
Code to create a pattern and explain each line of code
• Start by defining the number of rows and columns in the pattern

• Use nested loops to iterate through each row and column

• Decide the pattern you want to create and use conditional statements to determine the output for each position
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Q2. Puzzle: In how many minimum cut u can cut a cake in 8 piece
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Very impressive able to solve 100 coding questions within 10 mins

Q1. Find min in array
Ans. 
Find the minimum string in an array of strings.
• Iterate through the array and compare each string to find the minimum.

• Use a built-in function like sort() to sort the array and then return the first element.

• Consider using a loop to compare each element with the current minimum.
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Q2. Find max in array
Ans. 
Find the maximum value in an array of strings.
• Convert the strings to numbers if needed before finding the maximum value.

• Use a loop to iterate through the array and compare each element to find the maximum value.
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Q1. Basic SQL question.
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Q2. Order of execution
Ans. 
The order of execution refers to the sequence in which instructions or operations are executed in a program.
• The order of execution is determined by the programming language and the specific code being executed.

• Generally, code is executed line by line from top to bottom.

• However, there are exceptions such as loops, conditionals, and function calls that can alter the order of execution.

• In some programming languages, there...read more
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Q3. Window functions
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Q4. Aggregate functions
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Q1. My qualifications
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Q2. Eligibility capability
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Q3. Can I do it
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Q1. Fresher should do it
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Q2. Will I be able to cope up
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Q1. Why do you want to join BB?
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Q2. A guesstimate about number of coffee shops in a city
Ans. 
It would depend on the size and population of the city, but typically there are around 1-2 coffee shops per 10,000 residents.
• Consider the population size of the city - larger cities tend to have more coffee shops

• Look at the density of commercial areas - more coffee shops are likely in busy downtown areas

• Check for any popular coffee chains that may have multiple locations in the city
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