The cream is heavier than Milk. True or False?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

What is both possible and impossible at the same time?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

You need to move three matchsticks to form three squares. Can you do it?

The Little ant seems to be always confused. Do you know why?

If it took eight men ten hours to build a wall, how long would it take four men to build it?