You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

What building has the most stories?

I travel all around the world but always stay in the corner. What am I?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

What's a single-digit number with no value?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

Rearrange the letters in "new door" to make one word.

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?

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

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