What English word has three consecutive double letters?

What number do you get when you multiply all of the numbers on a telephone's number pad?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Can you find the missing piece of the Porsche?

What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?

How can you make a TV, a bed, a dog, and a car liquid?

How can you make number one disappear by adding something to it?

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?