If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

Can you fill the blank with the correct number?

6 30 870 756030 _____

You need to move three matchsticks to form three squares. Can you do it?

If an electric train is travelling south, then which way is the smoke going?

Who always enjoys poor health?

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

There is a basket full of hats. Three are white and two are black. Three men, Tom, Tim, and Jim, each take a hat out of the basket and put it on their heads without seeing the hat they selected or the hats the other men selected. The men arrange themselves so Tom can see Tim and Jim’s hats, Tim can see Jim’s hat, and Jim can’t see anyone’s hat. Tom is asked what color his hat is and he says he doesn’t know. Tim is asked the same question, and he also doesn’t know. Finally, Jim is asked the question, and he does know. What colour is his hat?

I am a ten letters word
The first four letters have the power to rule,
Next, four-letter can be eaten.
The next three-letter represents a lady.
I can fly as well

what am I looking for?