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?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

I am the fastest animal but cannot climb the tree. 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?

All of the flowers I have are orchids except two. All of the flowers I have are hibiscuses except two. All of the flowers I have are roses except two.

Can you tell me how many flowers I have?

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

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?