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

Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?

Rob is taller than Edwin, and Jurgen is shorter than Rob.
Of only one of the following statements, we now certainly know it is correct:

A.Edwin is taller than Jurgen
B.Jurgen is taller than Edwin
C.It cannot be determined if Jurgen or Edwin is the tallest.

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

I add 5 to 9 and get 2. The answer is correct, so what am I?

A woman lives in a skyscraper thirty-six floors high and is served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

Can you replace the question mark with the correct number?

Solve the counting riddle by identifying the number of triangles in the given picture.

Which tank will fill first?