JioSaavn Interview Questions and Answers for Experienced

Q1. About your introduction
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Q2. About your career experience
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Q1. Job introduction and careers details
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Q2. Planning about business and idea about business
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Q1. Reading a tea shop how many can be installed and revenue generated
Ans. 
The number of tea shops that can be installed and the revenue generated depend on various factors such as location, target market, competition, and marketing strategies.
• Consider the population density and demographics of the area to determine the potential customer base.

• Analyze the competition in the area to understand the market saturation and demand for tea shops.

• Evaluate the foot traffic and visibility of potential ...read more
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Q2. Career background and new business idea
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Round duration - 90 minutes
Round difficulty - Medium

Total of 8 questions:

4 MCQ(oops and expected output type questions) + other 2 were coding questions, out of which one is some class implementation question.

Q1. 
Count Subarrays with Sum Divisible by K
Given an array ARR and an integer K, your task is to count all subarrays whose sum is divisible by the given integer K.
Input:
The first line of input contains an...read more
Ans. 
Count subarrays with sum divisible by K in an array.
• Iterate through the array and keep track of the running sum modulo K.

• Use a hashmap to store the frequency of remainders.

• For each prefix sum, check how many previous prefix sums have the same remainder.

• Return the total count of subarrays with sum divisible by K.
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Round duration - 60 minutes
Round difficulty - Easy

This round was with the USA team, the panel consisted of 2 members. It took place at around 9 PM IST. The interviewer's focus was on approach.

Q1. 
Sort an Array in Wave Form
You are given an unsorted array ARR. Your task is to sort it so that it forms a wave-like array.
Input:
The first line contains an integer 'T', the number of test cases.
For ea...read more
Ans. 
Sort an array in a wave-like pattern where each element is greater than or equal to its adjacent elements.
• Iterate through the array and swap elements at even indices with their adjacent odd indices to form a wave pattern.

• There can be multiple valid wave arrays, so any valid wave array is acceptable.

• Ensure the first element is greater than or equal to the second element to start the wave pattern.
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Q2. 
Convert a Number to Words
Given an integer number num, your task is to convert 'num' into its corresponding word representation.
Input:
The first line of input contains an integer ‘T’ denoting the number o...read more
Ans. 
Convert a given integer number into its corresponding word representation.
• Implement a function that takes an integer as input and returns the word representation of that number.

• Break down the number into its individual digits and convert each digit into its word form.

• Handle special cases like numbers between 10 and 19, and multiples of 10.

• Combine the word forms of individual digits to form the final word representation
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Round duration - 40 minutes
Round difficulty - Easy

It was a managerial round. The position of the person taking the interview was of a technical architect. As was informed by the recruiter, previously he was a technical architect at Amazon.

Q1. How does Facebook store comments in its database?
Ans. 
Facebook stores comments in its database using a combination of relational and non-relational databases.
• Comments are typically stored in a relational database like MySQL for structured data storage.

• For scalability and performance, Facebook may also use a NoSQL database like Cassandra or HBase for storing comments in a denormalized format.

• Metadata related to comments such as likes, timestamps, and user information may b...read more
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Some database questions,some java questions .

Q1. What is the difference between javascript and jQuery.
Ans. 
JavaScript is a programming language used for web development, while jQuery is a library built with JavaScript to simplify HTML document traversal and manipulation.
• JavaScript is a programming language, while jQuery is a library written in JavaScript.

• JavaScript can be used for a wide range of tasks, while jQuery is mainly used for DOM manipulation and event handling.

• JavaScript is a core technology for web development, w...read more
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Q2. Define different types of join
Ans. 
Different types of joins are used in SQL to combine rows from two or more tables based on a related column between them.
• Inner Join: Returns rows when there is at least one match in both tables.

• Left Join (or Left Outer Join): Returns all rows from the left table and the matched rows from the right table.

• Right Join (or Right Outer Join): Returns all rows from the right table and the matched rows from the left table.

• Full ...read more
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Q3. Define multithreading concept and exception handling.
Ans. 
Multithreading allows multiple threads to run concurrently, while exception handling deals with errors in a program.
• Multithreading involves running multiple threads simultaneously to improve performance and responsiveness.

• Threads share the same memory space but have their own program counter and registers.

• Exception handling is a mechanism to handle errors or exceptional situations in a program.

• It helps prevent the prog...read more
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Solving normal Puzzles to test aptitude.

Sample app was asked to create.

Q1. Information about yourself
Ans. 
I am a highly motivated and detail-oriented analyst with strong problem-solving skills.
• Bachelor's degree in Business Analytics

• Proficient in data analysis tools such as Excel and SQL

• Experience in conducting market research and competitor analysis

• Strong analytical and critical thinking abilities

• Excellent communication and presentation skills

• Ability to work independently and in a team
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Q2. Information about yourself.
Ans. 
I am a highly skilled Analyst with expertise in data analysis and problem-solving.
• Proficient in statistical analysis and data visualization tools such as Excel, Tableau, and Python

• Strong analytical skills with the ability to interpret complex data sets and identify trends

• Experience in conducting market research and competitor analysis

• Excellent communication and presentation skills

• Proven track record of delivering actio
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Q1. Oops Inheritance and Incapsulation
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Q1. Techical questions and coding questions related profile.
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Q2. Basic concepts about your programming skills.
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