Count the number of lines in the image below ?

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?

John and his wife were living in a rural place. On a particular day, John's wife fell ill and he called the local doctor. When the doctor picked up, he said, "Doctor, my wife is ill. She might have appendicitis."

"This can't be possible! I took out her appendix two years ago myself," the doctor explained.

When diagnosed, John's wife was found to have appendicitis. How can this be possible?

What goes up but never comes down?

What brings you down but never up?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

I have branches, but no fruit, trunk or leaves. What am I?

What do you get if you add 2 to 100 four times?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

What number comes next in the series?

5 15 5 18 5 24 14 20 _