What word is pronounced the same if you take away four of its five letters?

Solve this riddle by finding the odd one out from the rest.

An artist while painting a scenic beauty, decides to paint three layers of blue colour on the sky.

Which layer will go on the first?

Can you make the below equation true by using any three numbers from "1, 3, 5, 7, 9, 11, 13 and 15"?

( ) + ( ) + ( ) = 30

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

Before Mount Everest was discovered, what was the highest mountain in the world?

What has a bottom at the top?

How many triangles can you count in the figure given?

What kind of storm is always in a rush?

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?