- 111111111 x 111111111 = 12345678987654321.
- The most commonly forgotten item for travelers is their toothbrush.
- Different names for the number 0 include zero, nought, naught, nil, zilch and zip.
- There are 7 points on the Statue of Liberty's crown.
- 1 billion snails are served in restaurants each year.
- There is no proof as to who built the Taj Mahal.
- A Boeing 747 airliner holds 216,847 litres (57,285 gallons) of fuel.
- Fingernails grow faster than toenails.
- From space the brightest man made place is Las Vegas.
- Swiss mathematician Leonhard Euler was probably the most influential mathematician of the 18th century, making discoveries in graph theory and introducing many modern mathematical words and notations among other things.
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