What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

If a wheel has 54 spokes, how many spaces are there between the spokes?

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

What has 88 keys?

I organized a small get together at my home.
In the party , i have a barrel with some whiskey in it.

Suddenly Guest 1 say 'I bet this barrel of whiskey is more than half full'.
'No, it's less than half full' Guest 2 replied.

I don't have any measuring instrument and without removing whiskey from it , how can i determine which of the guest is right ?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?