I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

What has hands, but can’t clap?

Can you place three balls such that the equation shown in the picture holds true?

What month of the year has 28 days?

How can one talk without saying a single word?

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?

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?

Two brothers were watching a horror film on video late one night. One brother dozed off and dreamed that he was being chased by the crazy man from the movie, who was trying to kill him. In the dream, he hid in a cupboard. There was no sound except his heart pounding, and he had no idea where his crazed captor was. He was terrified! At that moment, the video finished, and his brother put his hand on the shoulder of his sleeping sibling to wake him. The shock at that tense moment was enough that the sleeping brother suffered a massive heart attack and died instantly. True or false?