Title: Rajasthan.
Question: What was the most notable accomplishment of the Gurjara Pratihara Empire?

Title: BBC Television.
Question: What company did the U.S. engineers who saw the BBC broadcast work for?

Title: Dog.
Question: What part of a dog can be straight, curly or cork-screwed?

Title: Asphalt.
Question:
What are the two types of bitumen emulsions?