What am I?
You see me in everyday life.
I have been around for many, many years, look around… you can probably see some of me right now.
What am I?
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How can this be?
A certain large animal lives happily and thrives here on Earth. One day, every single one of these critters is wiped out by a mysterious disease which affects only this particular animal. There are none left anywhere on earth -- they are all gone. About a year or so...
How old is Mike?
David and Mike are brothers. David is 33 years old today. This is three times as old as Mike was when David was the age that Mike is today.How old is Mike?Mike is 22 years old.more riddlesDonec rutrum congue leo eget...
How many – how much?
The engineering department was arranging for a rather expensive catered lunch to bid farewell to their retiring colleague. They calculated that it would cost each person $30. One good mathematician remarked, "It's lucky that there aren't five fewer of us to split the...
Two barrels contain each the same amount of water. The water temperature in one barrel is 49°F while the other is at 29°F. Two golf balls of same dimension and weight are dropped simultaneously into the barrels. The golf balls are dropped from the same height.Which...