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

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Solve the equation in the image by looking at the pattern closely.

A man was going to bleach his socks because they had gotten muddy the day before. As he was pouring the bleach into the washing machine, he spilt some on the floor. He got some cleaning fluid and mopped it up with a rag. Minutes later he was dead. What killed him?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

What kind of band never plays music?

What has hands, but can’t clap?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

A Car driver was heading down a street in Washington. He went right past a stop sign without stopping, he turned left where there was a 'no left turn' sign and he went the wrong way on a one-way street. Then he went on the right side of the road past a cop car. Still, he didn't break any traffic laws. Why not?

Which country gets ill every time?