Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

What can you see in the middle of March and April that you can never see in any other month?

When is the top of a mountain similar to a savings account?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

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?

Distances from you to certain cities are written below.

BERLIN 200 miles

PARIS 300 miles

ROME 400 milesAMSTERDAM 300 miles

CARDIFF ??? miles

How far should it be to Cardiff ?

A man died, leaving $10,000,000 for his widow, 5 sons and 4 daughters. Each daughter received an equal amount, each son received twice as much as a daughter, and the widow received three times as much as a son.

How much did the widow receive?