Marble Selection [No. 692]

You can put as many marbles in each jar as you like.

Lions and Bears and Logic, Oh My! [No. 431]

Solve this for the case of only one lion and one sheep, then two lions and one sheep…

Brain Power [No. 943]

“Red” or “Blue” can be a code.

Bootlegger's Advice [No. 103]

“Moonshine” could be any drink.

Cheater, cheater, test deceiver [No. 423]

Not saying anything is a way of communicating without communicating.