If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

I can write cow in 13 letters.

Can You?

As a whole I am both
safe and secure.

Behead me and I become
a place of meeting.

Behead me again and I am
the partner of ready.

Restore me, and I become
the domain of beasts.

What am I?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

Why is the Hole below a Lock?

What number when divided in half becomes zero?

Its something that each of us devours,
Not just us but birds, beats, trees, and flowers,
Frets iron and nibbles steel,
Toil hard stones to meal,
Exterminates king, collapse town,
And blows the mountains down.

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

Count the number of triangles in the given picture.