You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

Can you write down eight eights so that they add up to one thousand?

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

Below, you can see three complete equations and one incomplete. Based on the three complete ones, can you complete the incomplete one?

5 $ 4 $ 3 $ 9 = 4215
6 $ 9 $ 2 $ 6 = 3816
4 $ 7 $ 3 $ 3 = 1122
7 $ 2 $ 7 $ 4 = ____

No one wants to have it, but if one got it, he does not want to lose it. What is It?

What is the Surname of Barbie Doll?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13