If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

My sock drawer has 26 blue socks, 13 pink socks, 33 green socks, and 12 red socks, how many socks would I have to pull out in the dark to be sure I had a matching pair?

Find the next number in the series below

21 32 54 87 131 ?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

Aaron, Brad, Christopher, Danny and Elvis decided to play a game of tiddlywinks. In this game they decided that one win will get 1 point for winning, 0 for losing and 1/2 in case of a tie.

They finished the game in alphabetical order and it was found that the scores were different for each person.

Based on the following two statements, can you find out the result of the individual games?
Brad: No one could finish like me, without a loss.
Elvis: No one played worse than me, I finished without a single win.

Out of the nine cats that you can see in the picture, there are only two that are completely identical. Can you find them out?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

How many times can you subtract the number two from the number fifty?

People put me on the table and cut me but do not eat me. What am I?