Brain Teasers 7

Teaser 1: What room can no one enter?

Teaser 2: When is a man drowned, but still not wet?

Teaser 3: The eight of us go forth not back to protect our king from a foes attack?

Teaser 4: If you look at the number on my face you won’t find thirteen anyplace?

Teaser 5: A box without hinges, key or lid. Yet golden treasure inside is hid.