Riddle

There is one in every corner and two in every room.

Choose an answer

A.The letter R
B.The letter M
C.The letter C
D.The letter O
Hint: It's a 3-word phrase with 10 letters, starting with "T".

Answer

The letter O

Why this is the answer

The word "corner" contains one letter O, while the word "room" contains two — matching the riddle exactly.

This riddle is filed under Hard/Difficult Riddles and rated Medium.