See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

A man was just doing his job when his suit was torn. Why did he die three minutes later?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

How many times can you subtract the number two from the number fifty?

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?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Which part of London exists in France as well ?

Why are all black people so quick ?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?