How can a man go eight days without sleep?

In a town, there are four houses located at different distances from each other. Following are the distances:

The third house is 60 meters apart from the first house.
The fourth house is 40 meters apart from the second house.
The third house is 10 meters nearer to the fourth house than it is to the second house.

Can you find out the distance between the fourth and the first house?

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?

They are three errirs in this question. Can you find them?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

How can you make a TV, a bed, a dog, and a car liquid?

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?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15