I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Can you replace the question mark with the correct number in the below table sequence?

We are a group of eight brothers. We consider the weak, yet we protect the king in every battle. If we move ahead, we never turn back. Who are we?

What is the word or phrase below?
R | E | A | D

A California farmer owns a beautiful pear tree. He supplies the fruit to a nearby grocery store. The store owner calls the farmer to see how much fruit is available for him to buy. The farmer knows the main trunk has 24 branches. Each branch has exactly 12 boughs and each bough has exactly 6 twigs. Since each twig bears one piece of fruit, how many plums will the farmer be able to deliver?

If,

6 / 7 = 2
3 / 9 = 7
8 / 2 = 6

Then

4 / 5 = ?

A man is found dead with a knife in his back When the investigation is done. A chair lays beside him and the forensic team finds moisture around the body.

If he committed suicide, how did he do it?

Count the squares in the matchstick puzzle below?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

What is more useful when it is broken?