What kind of storm is always in a rush?

What's the next in the series?

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

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

The following "Brain Bat" means Slow Down.
S
L
O
W

Using the same logic, can you tell us what does the following Brain Bat means ?
E
V
I
G

What has lots of eyes, but can’t see?

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?

You can hear me, but you can't touch or see me.

What am I?

Find the missing number in the image below.

What has no start, end, or centre?

Move four matchsticks to the below square to form three squares?