KhataBook Interview Questions and Answers

The task is to check whether the given words are sorted lexicographically in an alien language.

• Read the number of test cases

• For each test case, read the number of words, the words themselves, and the order string

• Check if the words are sorted lexicographically based on the given order string

• Print 'YES' if the words are sorted, else print 'NO'

The play store home page consists of various components that provide a user-friendly interface for browsing and discovering apps.

• Header section displaying the app logo, search bar, and navigation options

• Featured apps section showcasing popular or recommended apps

• Categories section for browsing apps based on different genres

• Top charts section displaying the most downloaded or highest-rated apps

• New releases section highlighting recently launched apps

• Editor's choice section feat...read more

Design a wireframe for a ledger management user interface.

• Include a navigation bar for easy access to different sections of the ledger

• Design a table layout to display the ledger entries with columns for date, description, debit, credit, and balance

• Add filters and search functionality to easily find specific entries

• Include options to add, edit, and delete ledger entries

• Consider adding visual indicators for different types of transactions (e.g., income, expenses)

• Ensure the user...read more

Designing a data warehouse involves identifying data sources, defining data models, creating ETL processes, and implementing data governance.

• Identify data sources and determine what data needs to be stored

• Define data models to structure the data in a way that supports reporting and analysis

• Create ETL (Extract, Transform, Load) processes to move data from source systems to the data warehouse

• Implement data governance to ensure data quality, security, and compliance

• Consider scal...read more