How many stripes are there on the US flag?

More Questions:

What part of a sailor's uniform can be used in an emergency as a flotation device?

What number was retired by the Chicago Bulls to honor Michael Jordan?

What racket sport involves bashing a bird?

Who wrote the book "The Prisoner of Zenda"?

What three-mile-wide New Brunswick island was FDR's summer home?

Which US state is nicknamed the "Keystone State"?

What is a shadow clock?

What letter represents the speed of light in physics notations?

The MMR vaccine immunizes against what three illnesses?

Who said the famous line "Here's looking at you, kid"?

Dr. Brown's puppy in "Back to the Future Part II" was named after what astronomer?

In the 1985 film "Witness', Harrison Ford's character goes undercover in what type of community?

Which album did David Bowie release in 1983?

Who founded the Han Dynasty?

What planet in our Solar System has the longest day?