In which direction should the missing arrow point?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

The Little ant seems to be always confused. Do you know why?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not rounded numerals equals 24.

What goes up but never comes down?

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