Word Party

You watch a group of words going to a party. A word either enters through one of two doors or is turned away by the guards. ‘HIM’ goes through door number one and ‘BUG’ goes through door number two. ‘HER’ is turned away. ‘MINT’ and ‘WEAVE’ go in through door one, ‘DOOR’ and ‘CORD’ take door two and ‘THIS’ and ‘That’ aren’t allowed in.

What determines whether a word can enter and which door they must use?

Door number one is for words composed entirely of capital letters written using only straight lines, such as A, E, F, H, and I. The entire set of letters allowed through door number one are AEFHIKLMNTVWXYZ. Door number two, as might be expected, is for words with capital letters that have a curve, including BCDGJOPQRSU. Any words composed of both straight and curved letters (or lowercase letters) are not allowed in. The word ‘THAT’ would have been sent through door number one, if the letters had been capitalized.

Posted in Brain Teasers

Willow’s Broken Keyboard

Willow’s keyboard is acting up. The a, e, i, o and u keys don’t work and the space key is misbehaving as well. Can you decipher these common sayings they typed?

tfsghttfmnd
ctnsspkldrthnwrds
hnstysthbstplcy
sycmsyg

Out of sight, out of mind
Actions speak louder than words
Honesty is the best policy
Easy come, easy go

Posted in Brain Teasers

Reading Hexadecimal

How many people can read hexadecimal if only you and dead people can read it?

57006

The trick is that the word “dead” represents a number in hexadecimal. That number in base 10 is 57005, and adding one more to include yourself gives you: 57005 + 1 = 57006.

Posted in Brain Teasers

The Honest and Dishonest Guards

You’re in a room with two doors. There’s a guard at each door. One door is the exit, but behind the other door is something that will kill you. You’re told that one guard always tells the truth and the other guard always lies. You don’t know which guard is which. You are allowed to ask one question to either of the guards to determine which door is the exit.

What question should you ask?

Ask either guard what door the other guard would say is the exit, then choose the opposite door.

If you ask the guard who always tells the truth, he knows the other guard would lie, so he’ll point you to the door leading to death. If you ask the guard who always lies, he knows the other guard would truthfully show you the exit, so he’ll lie and point you to the door leading to death.

An alternate solution is to ask a guard what they would answer if you were to ask them which door was the exit, then choose that door. The truthful guard will point to the correct exit, but the lying guard will too. Here’s why. If you asked him what door was the exit, he would normally lie and point to the death door, but you asked him what he would say if you asked what door was the exit, and in order to lie to that question, he will point you to the exit.

Posted in Brain Teasers

I Prevent Escape

I prevent escape or intrusion,
Yet I also preserve and protect,

Thieves use me to get money,
From me they can often collect.

I’m the practice of a sport, but not on the lawn,
Your friends may get upset when I’m sat upon.

What am I?

Fence. Fences keep ne’er-do-wells out and protect people inside. A fence is a person who buys stolen goods to later resell them for a profit. Those who fence practice the sport of fencing. En garde! And people don’t like it when you sit on the fence in a heated debate. (Believe me, I speak from experience)

Posted in Riddles
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More You Take Away, The Bigger I Get

The more you take from me, the bigger I get. What am I?

A hole.

This is quite similar to It Cannot Be Seen and Weighs Nothing.

Posted in Riddles

Five Three Two

What is the answer to the last equation?

5 3 2 = 151012
9 2 4 = 183662
8 6 3 = 482466
5 4 5 = 202504
7 2 5 = ?

10000 × (x × y) + 100 × (x × z) + transpose_digits(x × y + y × z)

transpose_digits() just swaps the digits

Posted in Brain Teasers

Five Pigeons on a Fence

Five pigeons are sitting on a fence. The farmer comes out and shoots one. How many are left?

None, the rest flew away at the sound of the gunshot. Or one (the dead pigeon).

Posted in Brain Teasers

A Head, One Arm and Round Bottom

What has a head, one arm, one leg and a round bottom?

A handicapped parking sign.

Posted in Riddles

Al and Fred’s Car Wash

Al washes a car in 6 minutes. Fred washes the same car in 8 minutes. How long will it take them to wash the car together?

There isn’t enough information, thus there’s no one, right answer. (As frustrating as that may be)

This is from the TV show Boy Meets World, season 1 episode 12.

Posted in Brain Teasers