Why is it very easy to weigh a fish?

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?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

What can go up a chimney down, but can’t go down a chimney up?

A father's child, a mother's child, yet no one's son.

Who am I?

Which digit occurred maximum times between the number 1 and 1000?

A mad serial killer kidnaps people and forces them to play the game of 2 pills with them, In this game, there are pills in the table and one of them is normal pill while the other one is deadly poisonous.
The victim will choose one pill and the killer will pick the other pill and both simultaneously will swallow the pill with water.
victim dies every time.

One day the serial killer kidnaps the Joseph and forces him to play the same game with him.

Joseph solves the mystery of the two pills and remains alive.

Explain?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.