Why is 6 afraid of 7?

Can you solve this picture maths equation?

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

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

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?

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?

What is the Surname of Barbie Doll?

Identify the 10 differences between the two given pictures.

In a mathematical quiz, you are asked the following question:

Use three 9s in a mathematical expression without dividing or multiplying to form the number one.

Can you answer the question?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?