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 it is alive we sing, when it is dead we clap our hands. What is it?

Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

Can you find a five letter word that is left with only two letters if one is removed?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?