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?

Can you place six X (crosses) in below board without making three in a row in any way ?

Count the number of balls in picture below:

In Greek mythology, the Sphinx sat outside of Thebes and asked this riddle of all travellers who passed by. If the traveller failed to solve the riddle, then the Sphinx killed him/her. And if the traveller answered the riddle correctly, then the Sphinx would destroy herself. The riddle:

What goes on four legs in the morning, on two legs at noon, and on three legs in the evening?

Oedipus solved the riddle, and the Sphinx destroyed herself.

What happened when the wheel was invented?

Solve the puzzle by telling what does below picture means.

Spot the cat in the picture below

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

As a whole I am both
safe and secure.

Behead me and I become
a place of meeting.

Behead me again and I am
the partner of ready.

Restore me, and I become
the domain of beasts.

What am I?