## Solving a 1000x1000x1000 Rubiks cube

(via Youtube).

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# Math Puzzles

## Solving a 1000x1000x1000 Rubiks cube

## Brain teaser

## Making change

## Topological Poker

## Math alarm clock for your phone

## Math clock

## Pinocchio paradox

## Identical lottery draw

## A Friendly Chat About Whether 0.999… = 1

## Silly prediction quiz

(via Youtube).

My friend just finished a job interview and was asked the following question that I thought I’d share with you (it’s a somewhat common puzzle): You are given 8 balls, 7 of which are the same weight and 1 which is heavier than the rest. Using a balance, what is the minimum number of weightings …

Consider the following hypothetical situation: You are a cashier and you have to give the customer $0.40 in change, however, you have no nickels left in your till. The goal is to minimize the number of coins that the customer receives. How do you do it? Well this actually happened, and the process the cashier …

This is interesting. RandomPairing over at the math subreddit listed some rules for a game called Topological Poker (aka Dicks and Hoes), which I assume he created himself. [I did a google search for “Topological Poker” and only got the subreddit, and then did a search for “Dicks and Hoes” and got a bunch of …

Nice! That’ll keep me awake ðŸ˜€

Do the math! I dare you…

Hmmm…

In Bulgaria’s national lottery, the same six winning numbers were drawn twice in a row. Minister Svilen Neikov ordered an investigation after the numbers 4, 15, 23, 24, 35, and 42 were selected, in a different order, by a machine live on television on September 6th and 10th. Some thought the results were manipulated, however …

Via reddit I stumbled upon this site which talks about something called hyperreal numbers and claims that in this theory, the equation 0.999… = 1 is false. For those who follow the internet, the question of whether 0.999…=1 has come up a quadbrazillion times on practically every math related forum and even the non-math ones. …

Take this silly quiz and we will predict your all time favorite tv show! First pick a number from 1 to 9. Multiply by 3. Add 3. Multiply by 3 again. Add the two digits together. Now you should get a number and find it in the chart below! 1. Smallville 2. Grey’s Anatomy3. Supernatural …