How many hits does it take to sink the submarine in the game of "Battleship"?

More Questions:

What nationality is tennis player Roger Federer?

In motor racing, what color flag is used to communicate stopping of the racing session?

What was the first name of Dr. Frankenstein?

'Girls with a Pearl Earring" is one of only thirty-five extant works of what Dutch painter?

In which issue of the comic series "Tales of Suspense" did Iron Man first appear?

Which book begins with the words "The scent and smoke and sweat of a casino are nauseating at three in the morning"?

In which Shakespeare play does Antonio owe Shylock a pound of flesh?

What's the name of the little boy who discovers "Where the Wild Things Are"?

What Pacific island chain is named for Philip IV's Austrian queen?

What does Montana's motto "oro y plata" mean in English?

Which is Earth's smallest ocean?

In what year was Mel Blanc born?

Where was South Africa's Freedom Charter signed?

What year did the programming language "COBOL" first appear, before being standardized in 1968?

Which novel begins with the sentence "The family of Dashwood had been long settled in Sussex"?