People make me, save me, change me, raise me. What am I?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

There’s a girl who has a large family. She has an equal amount of brothers and sisters, but each brother only has half as many brothers and sisters. What’s the correct amount of brothers and sisters?

How many times can you subtract the number two from the number fifty?

A prisoner is told: "If you tell a lie, we will hang you and if you tell the truth, we will shoot you." What did the prisoner say to save himself?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

There is a place where if I stand up straight, I will still be considered sideways.

Find the hidden tiger in the given optical illusion ?