How many sides does a circle have?

What month of the year has 28 days?

A person was found dead on a big green land with no trees or buildings around. When the police arrived, they found a piece of rock lying next to him and the man was wearing clothes comprising of red, blue and yellow colours.

Can you tell who the person is and what was the cause of death?

During which month do people sleep the least?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

If eleven plus two equals one, what does nine plus five equal?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

Which Burger Is Different in below image?