In a regular Add-A-Gram, each word in the chain is an anagram of the previous word plus one additional letter. It is possible to solve them from any entry point, and then work forwards or backwards from there. I've decided to add encryption to the Add-A-Gram so that it can only be solved increme...

There is a young kid from MA, Who drafted a puzzle today. It isn't that tough, If you've got the stuff, To answer before others can say. So are you the one to solve it? Can you muster your thoughts for this bit? Really give it a try, And do not be shy, Go rack that brain and don't quit! ...

You are in a room with two doors. One leads to freedom, and the other leads to a room filled with torture. There are two men in the room. One tells the truth most of the time, and the other tells lies most of the time. You can only ask one of the men one question. What can you ask to always go to...

Goal: Go from the initial string to the final string by applying a sequence of string replacement rules. You are given the following: Initial String - baa Final String - bacaccacacccc You can apply the following rules one application at a time. Replacement Rules: (1) replace ...

Michel's latest puzzle has my brain in knots. I need to unwind. So I've settled on something fun to do with him, while also showing him he's not the only one who can craft tricky puzzles. Here's my email to him: Still puzzling over your Japanese challenge without making much progress, I'm afr...

The next semester you plan on following a course about Time Series Analysis. Unfortunately, you have no idea when the courses will be held. The past few days you have received some cryptic messages. Given below is an overview of the messages you received along with their time and date. Can y...

MOehm has an interesting (updated) profile picture: It is a lower case 'm' surrounded by what appears to be braille. The braille says: (* used to indicate braille that has no meaning) ka;ak*k l*,* a,*b,la* ,;ak Some of the unknown symbols could be rotated or flipped symbols. However the ...

when a drawing pin is dropped onto the floor it lands either point up or point down the probability of any one drawing pin landing point up is 0.46 what is the probability that the first three drawing pins all land point down?

I'm making a code in which What software should I use to do this? Also, has this been done multiple times?

I'm making a code in which What software should I use to do this? Also, has this been done multiple times?

You are Rick Perry, former Texas governor (who forgot the name of the Department Of Energy in 2012. Really?) turned archeologist. You've discovered a shrine in north Japan that's estimated to be almost 3.5 thousand years old. The shrine consists of a large tall slab of stone. Atop the stone is a ...