Riddle

Duck in pond. Cat runs 4x faster on edge. Escape?

Choose an answer

A.No
B.Only if the cat sleeps
C.Only in a square pond
D.Yes
Hint: It's a word with 3 letters, starting with "Y".

Answer

Yes

Why this is the answer

The duck swims in a circle of radius R/4. The cat has to run halfway around the pond (pi * R). The duck's distance is shorter than the cat's travel time allows for.

This riddle is filed under Expert Riddles for Adults and rated Hard.