A man secretly wants his wife's cat
get rid of it and decides to expose it.
He takes her in the car, drives 20 houses, abandons the cat and drives home.
Ten minutes later the cat is back.

?Well,? the man thinks, ?maybe the route was a little too short.?
Gets back in the car with the cat, drives 5 kilometers and puts it out.
Twenty minutes later the cat is back home.

"That's enough!" The man thinks to himself, takes the cat in the car and drives 20 kilometers, then through the forest, over a bridge, right, left and then finally abandons the cat in a clearing in the middle of the forest.

Half an hour later the man calls home. "Is the cat there?" he asks his wife.
"Yes why?"
"Get her on the phone, I'm lost."