Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

A chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half. How many hens does the farmer need to produce one dozen eggs in six days?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?

What number should come in place of the question mark below?

Which point will the car reach to go out?

Which tank will fill first?

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.

How is the moon similar to a dollar?

Why Wine Glass Stem is so long?