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?

John was piloting a plane behind a car but was never able to overtake it. Why?

Which point will the car reach to go out?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

I make two people out of one. What am I?

What breaks yet never falls, and what falls yet never breaks?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?