What is the purpose of the 'using' directive in C#?

What is a river?

Why does zero factorial (0!) equal one?

How can you implement background tasks in ASP.NET Core?

What is the capital of Russia?

Who was the first captain of the Delhi Daredevils in the IPL?

How can a SaaS startup survive in a crowded market?

What are the peak hours for Delhi auto rickshaws?

How can you work with JSON data in C#?

How can you implement pagination in ASP.NET Core Web API?

What are the best strategies for effective project management?

S.A?

How can you implement data validation in ASP.NET Core Web API?

Why do so many writers use words that might be difficult for some readers?

Explain the concept of inheritance in C#.