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?

What are the 50th, 63rd and 100th numbers in the sequence below?
4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...

Why is the Hole below a Lock?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

A woman who works in a sweet shop has a measurement of 32-26-36, is 5"4" tall, and wears size "6" shoes. What do you think she weighs?

I have branches, but no fruit, trunk or leaves. What am I?

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?

Can you count the number of quadrilaterals in the picture below?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?