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?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Which alphabet letter is a question?

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?

I look flat, but I am deep. Hidden realms I shelter. Lives I take, but the food I offer. At times I am beautiful. I can be calm, angry, and turbulent. I have no heart but offer pleasure as well as death. No man can own me, yet I encompass what all men must have. What am I?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

Who is that with a neck and no head, two arms and no hands? What is it?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?