Which number should replace the question mark?

I taste better than I can smell. Who am I?

What does below pictogram mean?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

Can you spot the man between the coffee bean in the picture below ?

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?

The centre of the third figure is empty. What digit should fit inside?

Move four matchsticks to the below square to form three squares?

Replace the (?) with the correct mathematical signs to make the expression equal to 59.

18 ? 12 ? 4 ? 5 = 59