Howlers by Schoolchildren.
1.Q. To change centimetres to metres you....?
A. Delete the metres.
2.Q. Define intensive farming.
A. When the farmer never takes a day off.
3.Q. Describe the shape and structure of The Milky Way.
A.It a delicious chocolate block.
4.Q.Where was the Declaration of Independence signed?
A. At the bottom.
5.Q. Name the smaller rivers of the Nile.
A. Juveniles.
6.Q. Give a brief explanation of the term "hard water".
A. Ice
The above howlers are taken from the books by Richard Benson
All of which are correct, except maybe No 5, they just aren't the answers wanted! See them all the time marking exam papers, often a sign of frustration.