What kind of storm is always in a rush?

Solve the following series:
AZ, GT, MN, __, YB

Can you solve below mathematical equation?

2^1234 - 2^1233

Can you count the number of triangles in the picture below?

Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

Count The number of F's in the paragraph below:

"FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS"

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?