What is both possible and impossible at the same time?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

Mother's Name is Mrs. SIXTY TWO
Son's Name is FIFTY TWO
Daughter's Name is FORTY TWO
What is Name of Father?

What does below Rebus mean ?

esgg sgeg gegs gsge

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3.

(You can use one number only once)

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

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.

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?