Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

There are two insects on a tile. Insect X is sitting on one side of the tile (point A) and Insect Y is sitting opposite on the other side of the tile (point B). Now both of them decide to change their position and thus X starts crawling to point B and Y starts crawling to point A. When they meet and pass each other in between, X takes 20 seconds to reach B and Y takes just 5 seconds to reach A.

Can you calculate the total time each of the insects took to change their positions?

What demands an answer, but asks no questions

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

How many bananas can you eat if your stomach is empty?

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

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?