Why Aeroplane windows are round?

After a heavy Thanksgiving meal, the night watchman went to work. In the morning, he told his boss he had dreamed that a saboteur planted a bomb in the factory and that he felt it was a warning. The boss promptly fired him. Worker confused, Why boss fire him?

Solve the mathematical equation in the picture below.

Why is the Hole below a Lock?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

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

I have eight fingers and two thumbs but I do not live. What Am I?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

Which city is three-fifths chick two third cat and 50% goat?

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?