Q: How long, in metres, is an Olympic size swimming pool?
What is the answer?

A: 50 metres

Q: A subaltern is an old word for an?
What is the answer?

A: army officer

Q: Letter, Legal, Executive, Ledger/Tabloid are N American?
What is the answer?

A: paper sizes

Q: What band comprised David Byrne, Chris Frantz, Jerry Harrison and Tina Weymouth?
What is the answer?

A:
talking heads