Can you find the missing piece of the Porsche?

What is the last thing you take off before bed?

A woman lives in a Tall building thirty-six floors high and 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?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

What has many teeth, but cannot bite?

Which digit occurred maximum times between the number 1 and 1000?

There was a greenhouse.
Inside the greenhouse, there is a white house.
Inside the white house, there is a red house.
Inside the red house, there are lots of babies.

What is It?

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

People make me, save me, change me, raise me. What am I?

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