During what month do people sleep the least?

There are 100 coins scattered in a dark room. 90 have heads facing up and 10 are facing tails up. You cannot tell which coins are which. How do you sort the coins into two piles that contain the same number of tails up coins?

I’m teary-eyed but never cry.
Silver-tongued, but never lie.
Double-winged, but never fly.
Air-cooled, but never dry.

What am I?

John has been hired to paint the numbers 1 through 100 on 100 apartments.

How many times with he have to paint 8?

There are several books on a bookshelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

What is the next number in the sequence? 1 11 21 1211 111221 312211

Timmy’s mother has three children. The first was named April. The next was named May.

What is the final one’s name?

There are five people at a table and a pie sliced into 5 pieces. Each person has a piece of pie in front of them, yet the pie tin still has a piece of pie in it. How is this possible?