Ten pirates find a buried treasure of 100 pieces of gold.
The pirates have a strict ranking in their group: Pirate 1 is the lead pirate, Pirate 2 is second-in-command, Pirate 3 is the third most powerful pirate, and so on.
Based on this ranking, the pirates decide on a system to determine how to split up [...]
I’m going to give you a thousand $1 bills. You come up with 10 envelopes.
Here’s your assignment: Figure out a way to put various numbers of dollar bills in those 10 envelopes, so that no matter what amount of money I ask you for, you can hand me some combination of envelopes and always be [...]
A woman had three old coins – a silver dollar, a quarter, and a dime. Each coin was a little battered and had a piece missing.
She found that exactly the same fraction had broken away from each coin. What fraction of each was missing if the value of the remaining
bits of coins was now exactly [...]
A rich aristocrat decided that he would give every man 45 dollars and every woman 60 dollars.
Only one ninth of the men and only one twelfth of the women collected their dues.
Can you tell me how much money the aristocrat spent if there were 3552 people in total?
Lotteries, and the people who play them, are an interesting study. There are lots of players who are superstitious and won’t ever consider playing the number thirteen. And there are others who insist on playing the number thirteen all the time. Lots of people, for example, play their kids’ birthdays. Some strategists will play only [...]
Originally published on July 5th, 2012
Can you place 10 coins in such a way that they lie in 5 straight lines and on each line there are 4 coins! Here’s a hint: There is no stacking.
Please forward a RiddleDude email to friends and family in your address book. Urge them to sign up for the daily [...]
I am not a king, I am not a queen
But most of you will bow when I’m seen
Currently I am resting on my side
But soon I will continue my stride
I can’t walk, run, fly or crawl
Yet I am the greatest traveler of all.
A man is visiting Las Vegas and he falls for the local hype and heads for a casino with hopes of hitting it big.
He goes into this unusual casino that charges a dollar to enter, as well as a dollar to leave. He pays his dollar, plays the slot machines, loses half his money and [...]
There was a homeless man that was looking through the window of a nice restaurant. He notice a chef making a wonderfully-smelling soup. When the chef went into the other room to get some pepper for the soup, the drifter climbed through the window to smell the wonderful concoction. He apparently inhaled for too long [...]
You are blindfolded and wearing thick gloves. Someone puts twenty coins on the table. Ten of them are heads and ten of them are tails, but you wouldn’t know which because of your blindfold and gloves. You could flip or move the coins if you want. Your goal is to group them into two groups [...]