using four eights (8) and a one (1) and one mathematical symbol , create the number 100

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

It belongs to you, but other people use it more than you do. What is it?

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

What does the below image rebus riddle means ?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

Replace The Question Mark Below With the Correct Number.

2 {38} 3
4 {1524} 5
6 {3548} 7
8 {????} 9

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

An old Woman left INR 33,333 to be divided equally among two fathers and two sons and each was to receive INR 11,111.
How was this possible?

A guy in his thirties is found dead in a forest. The shocking thing about the body is that he is wearing his swimming trunks snorkel and a facemask.

For your information, the nearest lake is some 10 miles away and the sea is hundreds of miles away.

How did he die then?