I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

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

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

One night, a man runs away from home. He turns left and keeps running. After some time he turns left again and keeps running. Later, he turns left one more time and runs back home—but when he gets home, he finds a man in a mask. Who was the man in the mask?

Jessica is telling her friends this story and asks them to guess if it’s the truth or a lie: “There was a man sitting in a house at night that had no lights on at all. There was no lamp, no candle, and no other source of light. Yet, he sat in the house and read his book happily.” Her friends say she’s lying, but Jessica corrects them and says she’s telling the truth. Jessica’s story is true—but how?

What is the word or phrase below?
R | E | A | D

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Can you move 2 matchsticks to form four equal sized squares.

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?