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?

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?

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

Solve the riddle below:

If a Chicken says, 'All chickens are liars" is the chicken telling the truth?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

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

Do you know what I am?

John: "Hi Teacher, What is your favourite movie ?".
Chemistry Teacher: "Indium Cerium Platinum Iodine Oxygen Nitrogen".
Ten seconds later... John replied I got it.

Do you?

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?