What seven-letter word has hundreds of letters in it?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

How can one talk without saying a single word?

A man is found dead with a knife in his back When the investigation is done. A chair lays beside him and the forensic team finds moisture around the body.

If he committed suicide, how did he do it?

By using 'because' continuously three times, can you make an English statement ?

If eleven plus two equals one, what does nine plus five equal?

A bomb exploded in a room full of married couples and no one died. How?