Why are all black people so quick ?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

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.

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

Spot what is wrong here in below Picture?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

What is the longest word in the dictionary?

Find out the number of circles in the given picture having Illusion